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Sample records for atlantic shallow gulf

  1. Recent ooids from Mesopotamian shallow shelf, northwest Arabian Gulf

    SciTech Connect (OSTI)

    Aqrawi, A.A.M.; Sadooni, F.N.

    1987-05-01

    Petrographic and mineralogical analyses of available oolitic samples from Khor Abdulla and Khor Al-Umaya, Mesopotamian shallow shelf of the northwest Arabian Gulf, showed that the ooids exhibit extensive variations in their forms according to their nuclei shapes. The ooids cortices are usually of radial structure and are formed mainly of high magnesium calcite. The sediment distribution of the studied area revealed the existence of an oolitic zone extending NW-SE from east of Bubiyan Island toward the open sea. It is believed that these ooids are usually formed in sheltered environments by direct precipitation of high magnesium-calcite around any available nuclei. Then they are concentrated by agitation on small shoal-margins located to the east of Bubiyan Island. At these shoals they attained their final shapes and then dispersed through the studied area. It is thought that these ooids represent a peculiar example of ooid formation in quiet shallow-water environments.

  2. Savannah River Region: Transition between the Gulf and Atlantic Coastal Plains. Proceedings

    SciTech Connect (OSTI)

    Zullo, V.A.; Harris, W.B.; Price, V. [eds.

    1990-12-31

    The focus of the this conference of Coastal Plains geologists was on the Savannah River region of Georgia and South Carolina, and particularly on the geology of the US Department of Energy`s 300 square mile Savannah River Site (SRS) in western South Carolina. Current geological studies indicate that the Mesozoic-Cenozoic section in the Savannah River region is transitional between that of the Gulf Coastal Plain to the southwest and that of the Atlantic Coastal Plain to the northeast. With the transitional aspect of the region as its theme, the first session was devoted to overviews of Cretaceous and Paleogene geology in the Gulf and Atlantic Coastal Plains. Succeeding presentations and resulting discussions dealt with more specific problems in structural, lithostratigraphic, hydrological, biostratigraphic, and cyclostratigraphic analysis, and of correlation to standard stratigraphic frameworks. For these conference proceedings, individual papers have been processed separately for the Energy Data Base.

  3. Aeromagnetic anomalies and discordant lineations beneath the Niger Delta: Implications for new fracture zones and multiple sea-floor spreading directions in the meso-Atlantic' Gulf of Guinea cul-de-sac

    SciTech Connect (OSTI)

    Babalola, O.O.; Gipson, M. Jr. )

    1991-06-01

    An aeromagnetic contour map compiled over shallow water and onshore portions of the Nigerian continental margin, shows several elongate, long-wavelength anomaly closures with some alternating polarity, separated by steep gradient, NE lineations. The lineations are interpreted as new fracture zones or extensions of previously mapped ones. The NE trend in the western delta region is concordant with the fracture zone trends of the deeper Gulf of Guinea. Aeromagnetic lineations of the SE Niger Delta Basin however, discordantly trend ENE. Their termination against the former, is interpreted as evidence of early sea-floor spreading in a ENE-WSW direction in addition to the well documented NE-SW spreading of the Gulf of Guinea and the rest of the meso-Atlantic sea-floor; The geophysical crustal structure indicate the existence of two Early Cretaceous triple junctions beneath the Niger Delta Basin. The two triple-junctions further support the hypothesis that the African continent was a multi-plate system (in the Niger Delta region) during the early opening of the Atlantic.

  4. Evaluation of oil tanker routing per section 4111(b)(7) Oil Pollution Act of 1990. Part 2. Atlantic and Florida Gulf coasts. Final report

    SciTech Connect (OSTI)

    1996-08-01

    The purpose of this study is to evaluate oil tanker routing along the east coast and Florida Gulf Coast. It discusses whether areas of navigable waters and the Exclusive Economic Zone should be restricted to oil tankers.

  5. Gulf Petro Initiative

    SciTech Connect (OSTI)

    Fathi Boukadi

    2011-02-05

    In this report, technologies for petroleum production and exploration enhancement in deepwater and mature fields are developed through basic and applied research by: (1) Designing new fluids to efficiently drill deepwater wells that can not be cost-effectively drilled with current technologies. The new fluids will be heavy liquid foams that have low-density at shallow dept to avoid formation breakdown and high density at drilling depth to control formation pressure. The goal of this project is to provide industry with formulations of new fluids for reducing casing programs and thus well construction cost in deepwater development. (2) Studying the effects of flue gas/CO{sub 2} huff n puff on incremental oil recovery in Louisiana oilfields bearing light oil. An artificial neural network (ANN) model will be developed and used to map recovery efficiencies for candidate reservoirs in Louisiana. (3) Arriving at a quantitative understanding for the three-dimensional controlled-source electromagnetic (CSEM) geophysical response of typical Gulf of Mexico hydrocarbon reservoirs. We will seek to make available tools for the qualitative, rapid interpretation of marine CSEM signatures, and tools for efficient, three-dimensional subsurface conductivity modeling.

  6. South Atlantic sag basins: new petroleum system components

    SciTech Connect (OSTI)

    Henry, S.G. Mohriak, W.U.; Mello, M.R.

    1996-08-01

    Newly discovered pre-salt source rocks, reservoirs and seals need to be included as components to the petroleum systems of both sides of the South Atlantic. These new components lie between the pre-salt rift strata and the Aptian salt layers, forming large, post-rift, thermal subsidence sag basins. These are differentiated from the older rift basins by the lack of syn-rift faulting and a reflector geometry that is parallel to the base salt regional unconformity rather than to the Precambrian basement. These basins are observed in deep water regions overlying areas where both the mantle and the crust have been involved in the extension. This mantle involvement creates post-rift subsiding depocenters in which deposition is continuous while proximal rift-phase troughs with little or no mantle involvement are bypassed and failed to accumulate potential source rocks during anoxic times. These features have been recognized in both West African Kwanza Basin and in the East Brasil Rift systems. The pre-salt source rocks that are in the West African sag basins were deposited in lacustrine brackish to saline water environment and are geochemically distinct from the older, syn-rift fresh to brackish water lakes, as well as from younger, post-salt marine anoxic environments of the drift phase. Geochemical analyses of the source rocks and their oils have shown a developing source rock system evolving from isolated deep rift lakes to shallow saline lakes, and culminating with the infill of the sag basin by large saline lakes to a marginally marine restricted gulf. Sag basin source rocks may be important in the South Atlantic petroleum system by charging deep-water prospects where syn-rift source rocks are overmature and the post-salt sequences are immature.

  7. PPM Atlantic Renewable Formerly Atlantic Renewable Energy Corp...

    Open Energy Info (EERE)

    PPM Atlantic Renewable Formerly Atlantic Renewable Energy Corp Jump to: navigation, search Name: PPM Atlantic Renewable (Formerly Atlantic Renewable Energy Corp) Place: Virginia...

  8. Composite refraction-reflection stack sections: Tracing faults in the Atlantic coastal plain sediments

    SciTech Connect (OSTI)

    Stephenson, D.E.; Coruh, C.; Costain, J.K.

    1993-05-01

    Seismic data from the Atlantic Coastal Plain are reprocessed and composite refraction-reflection stack sections produced to investigate basement faults that penetrate upward into Atlantic Coastal Plain sediments in South Carolina. Reprocessing recovered reflections from within the deep crust to the Moho as well as from within thin veneer (300) of the Atlantic Coastal Plain sediments. One of the major objectives of this paper is to discuss the use of shallow refracted arrivals to construct a composite refraction- reflection stack that allows better imaging of the subsurface at shallow depths.

  9. Automating Shallow Seismic Imaging

    SciTech Connect (OSTI)

    Steeples, Don W.

    2004-12-09

    This seven-year, shallow-seismic reflection research project had the aim of improving geophysical imaging of possible contaminant flow paths. Thousands of chemically contaminated sites exist in the United States, including at least 3,700 at Department of Energy (DOE) facilities. Imaging technologies such as shallow seismic reflection (SSR) and ground-penetrating radar (GPR) sometimes are capable of identifying geologic conditions that might indicate preferential contaminant-flow paths. Historically, SSR has been used very little at depths shallower than 30 m, and even more rarely at depths of 10 m or less. Conversely, GPR is rarely useful at depths greater than 10 m, especially in areas where clay or other electrically conductive materials are present near the surface. Efforts to image the cone of depression around a pumping well using seismic methods were only partially successful (for complete references of all research results, see the full Final Technical Report, DOE/ER/14826-F), but peripheral results included development of SSR methods for depths shallower than one meter, a depth range that had not been achieved before. Imaging at such shallow depths, however, requires geophone intervals of the order of 10 cm or less, which makes such surveys very expensive in terms of human time and effort. We also showed that SSR and GPR could be used in a complementary fashion to image the same volume of earth at very shallow depths. The primary research focus of the second three-year period of funding was to develop and demonstrate an automated method of conducting two-dimensional (2D) shallow-seismic surveys with the goal of saving time, effort, and money. Tests involving the second generation of the hydraulic geophone-planting device dubbed the ''Autojuggie'' showed that large numbers of geophones can be placed quickly and automatically and can acquire high-quality data, although not under rough topographic conditions. In some easy-access environments, this device could

  10. Western Gulf Coast Analysis | NISAC

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    of disruptions in the western Gulf Coast petroleum infrastructure operations on the rest of the country, developed a data model of the petrochemical industry in the region to ...

  11. Gulf Powerbeat | Open Energy Information

    Open Energy Info (EERE)

    Powerbeat Place: Bahrain Product: Bahrain-based Gulf Powerbeat manufactures long life batteries and was acquired by Time Technoplast, through Time's subsidiary NED Energy....

  12. Gulf Ethanol Corp | Open Energy Information

    Open Energy Info (EERE)

    Gulf Ethanol Corp Jump to: navigation, search Name: Gulf Ethanol Corp Place: Houston, Texas Zip: 77055 Sector: Biomass Product: Focused on developing biomass preprocessing...

  13. Gulf Wind Farm | Open Energy Information

    Open Energy Info (EERE)

    Wind Farm Jump to: navigation, search Name Gulf Wind Farm Facility Gulf Wind Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Pattern Energy...

  14. Pipelines following exploration in deeper Gulf of Mexico

    SciTech Connect (OSTI)

    True, W.R.

    1988-07-04

    Gulf of Mexico pipeline construction has been falling of sharply to shallow-water (less than 300 ft) areas, while construction for middle depth (300 - 600 ft) and deepwater (600 + ft) areas as been holding steady. These trends are evident from analyses of 5-year data compiled by the U.S. Department of Interior (DOI) Minerals Management Service (MMS). This article continues a series of updates based on MMS gulf pipeline data (OGJ, June 8, 1987, p. 50). These installments track construction patterns in water depths, diameter classifications, and mileage. The figures are also evaluated in terms of pipeline-construction cost data published in Oil and Gas Journal's annual Pipeline Economics Reports.

  15. Atlantic Solar | Open Energy Information

    Open Energy Info (EERE)

    navigation, search Logo: Atlantic Solar Name: Atlantic Solar Place: Cape Town, South Africa Sector: Solar Product: Solar Thermal Technology Year Founded: 1985 Phone Number:...

  16. Recent Gulf of Mexico pipeline activity reflects industry's recovery

    SciTech Connect (OSTI)

    True, W.R.

    1990-08-27

    Pipeline construction in the U.S. Gulf of Mexico has improved considerably in recent years, especially activity in shallow water (less than 300 ft). Construction for middle depths (300-600 ft) has been flat, while deepwater (600+ ft) projects have held firm or increased slightly. Overall pipeline mileage constructed in federal waters 1985-89 period showed a strengthening industry, especially during the 1988-89 period. These trends are evident from analyses of 5-year data. The author tracks comparisons between applications that were approved by the MMS during this period and projects that have been reported to the MMS as completed.

  17. Subsea technology progress buoys Gulf of Mexico deepwater action

    SciTech Connect (OSTI)

    Koen, A.D.

    1996-09-02

    This paper reviews the technological advances in subsea oil and gas equipment to drive a new era of exploration and development in the outer continental shelf and other areas considered to complex to economically pursue. As subsea technology expands into deep waters, operators in the Gulf are using subsea production systems based on template and well cluster designs. Subsea cluster systems are gaining favor among operators because they allow more flexibility with shallow water flow which occurs during the first 1,000 feet of clay formations below the seabed. The paper also provides insight into deep water drilling, remote operated vehicles, deep water umbilicals, and other deep water production equipment.

  18. Mid-Atlantic Wind - Overcoming the Challenges

    SciTech Connect (OSTI)

    Daniel F. Ancona III; Kathryn E. George; Lynn Sparling; Bruce C. Buckheit; Daniel LoBue; and Richard P. Bowers

    2012-06-29

    This study, supported by the US Department of Energy, Wind Powering America Program, Maryland Department of Natural Resources and Chesapeake Bay Foundation, analyzed barriers to wind energy development in the Mid-Atlantic region along with options for overcoming or mitigating them. The Mid-Atlantic States including Delaware, Maryland, North Carolina and Virginia, have excellent wind energy potential and growing demand for electricity, but only two utility-scale projects have been installed to date. Reasons for this apathetic development of wind resources were analyzed and quantified for four markets. Specific applications are: 1) Appalachian mountain ridgeline sites, 2) on coastal plains and peninsulas, 3) at shallow water sites in Delaware and Chesapeake Bays, Albemarle and Pamlico Sounds, and 4) at deeper water sites off the Atlantic coast. Each market has distinctly different opportunities and barriers. The primary barriers to wind development described in this report can be grouped into four categories; state policy and regulatory issues, wind resource technical uncertainty, economic viability, and public interest in environmental issues. The properties of these typologies are not mutually independent and do interact. The report concluded that there are no insurmountable barriers to land-based wind energy projects and they could be economically viable today. Likewise potential sites in sheltered shallow waters in regional bay and sounds have been largely overlooked but could be viable currently. Offshore ocean-based applications face higher costs and technical and wind resource uncertainties. The ongoing research and development program, revision of state incentive policies, additional wind measurement efforts, transmission system expansion, environmental baseline studies and outreach to private developers and stakeholders are needed to reduce barriers to wind energy development.

  19. Mid-Atlantic Wind - Overcoming the Challenges

    SciTech Connect (OSTI)

    Daniel F. Ancona III; Kathryn E. George; Richard P. Bowers; Dr. Lynn Sparling; Bruce Buckheit; Daniel LoBue

    2012-05-31

    This study, supported by the US Department of Energy, Wind Powering America Program, Maryland Department of Natural Resources and Chesapeake Bay Foundation, analyzed barriers to wind energy development in the Mid-Atlantic region along with options for overcoming or mitigating them. The Mid-Atlantic States including Delaware, Maryland, North Carolina and Virginia, have excellent wind energy potential and growing demand for electricity, but only two utility-scale projects have been installed to date. Reasons for this apathetic development of wind resources were analyzed and quantified for four markets. Specific applications are: 1) Appalachian mountain ridgeline sites, 2) on coastal plains and peninsulas, 3) at shallow water sites in Delaware and Chesapeake Bays, Albemarle and Pamlico Sounds, and 4) at deeper water sites off the Atlantic coast. Each market has distinctly different opportunities and barriers. The primary barriers to wind development described in this report can be grouped into four categories; state policy and regulatory issues, wind resource technical uncertainty, economic viability, and public interest in environmental issues. The properties of these typologies are not mutually independent and do interact. The report concluded that there are no insurmountable barriers to land-based wind energy projects and they could be economically viable today. Likewise potential sites in sheltered shallow waters in regional bay and sounds have been largely overlooked but could be viable currently. Offshore ocean-based applications face higher costs and technical and wind resource uncertainties. The ongoing research and development program, revision of state incentive policies, additional wind measurement efforts, transmission system expansion, environmental baseline studies and outreach to private developers and stakeholders are needed to reduce barriers to wind energy development.

  20. Gulf Power Co | Open Energy Information

    Open Energy Info (EERE)

    Gulf Power Co Place: Florida Phone Number: 1-800-225-5797 Website: www.gulfpower.com Facebook: https:www.facebook.comGulfPowerCompany Outage Hotline: 1-800-487-6937 Outage Map:...

  1. Learning from Gulf Coast Community Leaders

    Broader source: Energy.gov [DOE]

    After hearing the stories about the work that leaders from the gulf coast and their organizations have done, it’s clear to me that they are changing the paradigm of gulf coast recovery -- changing the way buildings are developed in the gulf and creating a generation of green builders in New Orleans who work closely with low-income communities.

  2. A Path Forward for the Gulf Coast

    Broader source: Energy.gov [DOE]

    Our country has made a promise to the people and small businesses of the Gulf Coast to restore their environment, economy and health, and continue a conversation with the fisherman, environmental workers, elected officials, health officials, scientists and Gulf residents on how to restore the Gulf.

  3. Tectonic boundaries of the eastern Gulf Coast of North America

    SciTech Connect (OSTI)

    Leonard, C. Jr.; Phillips, R.R. )

    1993-09-01

    Two Precambrian extensional fault episodes, recorded in mapping from central Arkansas across Mississippi, central Alabama, southern Georgia, and into the Atlantic Ocean affected later Pennsylvanian and Triassic tectonics. This interpretation is from magnetic anomaly data and is supported by seismic, gravity, core, and well-log data. The fault system was first suspected from an anomalous magnetic high, representing a feature that affected tectonism during the Ouachita and the Alleghenian orogenies of the eastern Gulf Coast and southeastern United States. The northernmost upthrown block is considered part of an ancient passive continental margin developed during the late Precambrian. The southern downthrown block is deformed by left-lateral transverse faults active during the Ouachita Orogeny. The Ouachita Orogeny may have deformed terrain farther east than the Black Worrior basin. These transverse fault blocks were buttressed by the footwall of the extensional fault system. These left-lateral faults extending from Florida and Georgia into Alabama, Mississippi, and southern Arkansas.

  4. South Atlantic summary report

    SciTech Connect (OSTI)

    Havran, K.J.; Wiese, J.D.

    1983-12-01

    To date, four Federal offshore oil-and-gas leasing actions have occurred in the South Atlantic Region. Two additional South Atlantic lease offerings remain on the July 1982 final 5-year OCS oil-and-gas leasing schedule before June 1987. The South Atlantic Region consists of three major sedimentary basins: the Carolina Trough, the Blake Plateau, and the Southeast Georgia Embayment. Lease Sale 43, the first in the South Atlantic Region, featured blocks for exploration in the Southeast Georgia Embayment. Offshore operators drilled a total of six exploratory wells on blocks leased in Lease Sale 43. All were dry. The 43 leases from Lease Sale 43 have now expired, some blocks were relinquished earlier by their lease-holders. In the recent Lease Sales 56 and RS-2, and in the South Atlantic Lease Offering (July 1983), blocks leased were largely concentrated in the Carolina Trough Basin. Exploration of these blocks may begin anew in early 1984. The blocks are in deep water and will require careful, long-range planning before drilling can commence. As of July 1983, all 66 leases from the above three sales are active. Two plans of exploration have been approved by Minerals Management Service for exploration on blocks leased in Lease Sale 56. The plans are for Russell Area, Blocks 709 and 710, and Manteo Area, Block 510. Blocks 709 and 710 are held by ARCO, and Block 510 is held by Chevron. Based on current plans of exploration, operations will begin in 1984, first by Chevron, and sometime later by ARCO. Operations will be supported by a temporary service base to be established at Morehead City, North Carolina. 6 references, 4 figures.

  5. Holistic Interactions of Shallow Clouds,

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems Research Instrumentation HI-SCALE will utilize the ARM Aerial Facility's Gulfstream-159 (G-1), as well as ground instrumentation located at the SGP megasite. 7e G-1 will complete transects over the site at multiple altitudes within the boundary layer, within clouds, and above clouds. 7e payload on the G-1 includes: * high frequency meteorological and radiation (both up and downwelling) measurements that also permit computing

  6. Increased activity expected in Permian basin, Gulf of Mexico

    SciTech Connect (OSTI)

    Hagar, R.

    1988-03-14

    Exploration and development activities in two of the most important petroleum provinces in the U.S. are mixed, but the outlook is bright. There has been a steady increase in drilling in oil plays of the deepwater Gulf of Mexico and in the Permian basin of West Texas and New Mexico. But natural gas drilling has not seen much of an increase, although activity involving Miocne sands in the shallow water portion of the gulf is starting to pick up. Deep gas drilling, stalled by the 1986 spot price collapse, has not yet shown signs of new life, even though production is scheduled to begin this year from the Jurassic Norphlet deep gas play off Alabama. There should be continued increases this year in deepwater and Permian basin drilling if oil prices remain in the $18-20/bbl range. And gas drilling is expected to pick up considerably if spot prices strengthen. An important factor in the drilling outlook is an expectation that major interstate transmission companies this year will resume buying long term gas supplies for resale. Long term contracts reduce producer uncertainty in project economics.

  7. North Atlantic Science Objective

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and Cloud Experiments in Eastern North Atlantic Science Objective 7e overarching scientiIc objective of ACE-ENA is to understand key processes that drive the properties and interactions between aerosol and cloud under a variety of representative meteorological and cloud conditions. ACE- ENA will collect comprehensive in situ data of boundary layer and lower free troposphere structure and associated vertical distributions and horizontal variations of low clouds and aerosol in the Azores.

  8. Gulf of Mexico Proved Reserves By Water Depth, 2009

    Gasoline and Diesel Fuel Update (EIA)

    Gulf of Mexico Proved Reserves and Production by Water Depth, 2009 1 Gulf of Mexico Proved Reserves and Production by Water Depth The Gulf of Mexico Federal Offshore region (GOM ...

  9. Gulf Coast Green Energy | Open Energy Information

    Open Energy Info (EERE)

    Green Energy Jump to: navigation, search Name: Gulf Coast Green Energy Place: Bay City, Texas Zip: 77414 Product: The Texas-based company is the exclusive distributor of...

  10. Federal Offshore--Gulf of Mexico Dry Natural Gas Production ...

    U.S. Energy Information Administration (EIA) Indexed Site

    Dry Natural Gas Production (Million Cubic Feet) Federal Offshore--Gulf of Mexico Dry ... Natural Gas Dry Production Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals ...

  11. Federal Offshore--Gulf of Mexico Natural Gas Repressuring (Million...

    U.S. Energy Information Administration (EIA) Indexed Site

    Repressuring (Million Cubic Feet) Federal Offshore--Gulf of Mexico Natural Gas ... Natural Gas Used for Repressuring Federal Offshore Gulf of Mexico Natural Gas Gross ...

  12. Federal Offshore -- Gulf of Mexico Natural Gas Total Consumption...

    U.S. Energy Information Administration (EIA) Indexed Site

    -- Gulf of Mexico Natural Gas Total Consumption (Million Cubic Feet) Federal Offshore -- Gulf of Mexico Natural Gas Total Consumption (Million Cubic Feet) Decade Year-0 Year-1 ...

  13. Gulf of Mexico Federal Offshore - Texas Crude Oil + Lease Condensate...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Texas Crude Oil + Lease Condensate Proved Reserves ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Texas Crude Oil plus Lease Condensate ...

  14. Gulf of Mexico Federal Offshore - Louisiana and Alabama Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Reserves (Billion Cubic Feet) Gulf of Mexico Federal Offshore - Louisiana and Alabama ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana & Alabama Natural Gas Reserves ...

  15. Gulf of Mexico Federal Offshore - Louisiana and Alabama Nonassociated...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Louisiana and Alabama Nonassociated Natural Gas, Wet ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana & Alabama Nonassociated ...

  16. ,"Gulf of Mexico Federal Offshore - Louisiana and Alabama Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Louisiana and Alabama ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Louisiana and Alabama ...

  17. Gulf of Mexico Federal Offshore - Louisiana and Alabama Coalbed...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Louisiana and Alabama Coalbed Methane Proved Reserves ... Coalbed Methane Proved Reserves as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana ...

  18. ,"Gulf of Mexico Federal Offshore - Texas Nonassociated Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Texas Nonassociated ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Texas Nonassociated ...

  19. ,"Gulf of Mexico Federal Offshore - Texas Associated-Dissolved...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Texas ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Texas ...

  20. Gulf of Mexico Federal Offshore - Texas Nonassociated Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Texas Nonassociated Natural Gas, Wet After Lease ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Texas Nonassociated Natural Gas Proved ...

  1. ,"Gulf of Mexico Federal Offshore - Louisiana and Alabama Associated...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Louisiana and Alabama ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Louisiana and Alabama ...

  2. Gulf of Mexico Federal Offshore - Louisiana and AlabamaAssociated...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Louisiana and Alabama Associated-Dissolved Natural Gas, ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana & Alabama Associated-Dissolved ...

  3. Gulf of Mexico Federal Offshore - Louisiana and Alabama Crude...

    U.S. Energy Information Administration (EIA) Indexed Site

    Crude Oil + Lease Condensate Proved Reserves (Million Barrels) Gulf of Mexico Federal ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana & Alabama Crude Oil plus Lease ...

  4. ,"Gulf of Mexico Federal Offshore - Louisiana and Alabama Dry...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Louisiana and Alabama ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Louisiana and Alabama ...

  5. Gulf of Mexico Federal Offshore - Texas Crude Oil Reserves in...

    U.S. Energy Information Administration (EIA) Indexed Site

    Reserves in Nonproducing Reservoirs (Million Barrels) Gulf of Mexico Federal Offshore - ... Proved Nonproducing Reserves of Crude Oil Federal Offshore, Gulf of Mexico, Texas Proved ...

  6. ,"Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Natural Gas Gross Withdrawals and Production" ,"Click worksheet name or tab ... for" ,"Data 1","Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals and ...

  7. ,"Gulf of Mexico Federal Offshore - Louisiana and Alabama Nonassociate...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Louisiana and Alabama ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Louisiana and Alabama ...

  8. Gulf of Mexico Federal Offshore - Louisiana and Alabama Dry Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Dry Natural Gas Expected Future Production (Billion Cubic Feet) Gulf of Mexico Federal ... Dry Natural Gas Proved Reserves as of Dec. 31 Federal Offshore, Gulf of Mexico, Louisiana ...

  9. EIS-0504: Gulf LNG Liquefaction Project, Jackson County, Mississippi...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    4: Gulf LNG Liquefaction Project, Jackson County, Mississippi EIS-0504: Gulf LNG Liquefaction Project, Jackson County, Mississippi SUMMARY The Federal Energy Regulatory Commission ...

  10. Atlantic Energy Solutions | Open Energy Information

    Open Energy Info (EERE)

    Atlantic Energy Solutions Place: Foxboro, Massachusetts Sector: Efficiency, Renewable Energy Product: Atlantic Energy Solutions provides energy auditing for its customers and...

  11. Atlantic Biomass Conversions Inc | Open Energy Information

    Open Energy Info (EERE)

    Biomass Conversions Inc Jump to: navigation, search Name: Atlantic Biomass Conversions Inc Place: Frederick, Maryland Sector: Biomass Product: Atlantic Biomass Conversions is...

  12. Gulf Cooperation Council: search for security in the Persian Gulf

    SciTech Connect (OSTI)

    Kechichian, J.A.

    1985-01-01

    This study purports to analyze the conservative Arab monarchies' search for regional security in the Persian Gulf. It speculates on the GCC's future prospects as a vehicle of cooperation in the field of security. Threats to the member states of the GCC stem from the policies pursued by revolutionary Iran, Israel, the Soviet Union and its proxies, and a regime in Iraq. The proposition is developed that these sources of threat present an overwhelming challenge to the security and stability of GCC states. Second, it examines the capabilities of the GCC member states for coping with threats. Conceived broadly, both military and non-military capabilities are examined. Security relations of the GCC states with external powers as a means of enhancing their abilities to cope more effectively with both internal and external threats are examined. Particular attention is devoted to the domestic consequences of these special relations. Third, it discusses the GCC's reactions to perceived regional threats. These include the Iran-Iraq War, the Arab-Israeli conflict, the Soviet threat, and potential political sources of dissidence in member states. It is argued that although GCC states have adopted a number of joint policies, they did not respond to or initiate action on either the Iranian Revolution, the Palestine conflict, the Soviet occupation of Afghanistan, the Gulf war or the recent Israeli invasion of Lebanon.

  13. Mississippi Nuclear Profile - Grand Gulf

    U.S. Energy Information Administration (EIA) Indexed Site

    Grand Gulf" "Unit","Summer capacity (mw)","Net generation (thousand mwh)","Summer capacity factor (percent)","Type","Commercial operation date","License expiration date" 1,"1,251","9,643",88.0,"BWR","application/vnd.ms-excel","application/vnd.ms-excel" ,"1,251","9,643",88.0 "Data for 2010" "BWR = Boiling Water Reactor."

  14. Shallow Carbon Sequestration Demonstration Project

    SciTech Connect (OSTI)

    Pendergrass, Gary; Fraley, David; Alter, William; Bodenhamer, Steven

    2013-09-30

    The potential for carbon sequestration at relatively shallow depths was investigated at four power plant sites in Missouri. Exploratory boreholes were cored through the Davis Shale confining layer into the St. Francois aquifer (Lamotte Sandstone and Bonneterre Formation). Precambrian basement contact ranged from 654.4 meters at the John Twitty Energy Center in Southwest Missouri to over 1100 meters near the Sioux Power Plant in St. Charles County. Investigations at the John Twitty Energy Center included 3D seismic reflection surveys, downhole geophysical logging and pressure testing, and laboratory analysis of rock core and water samples. Plans to perform injectivity tests at the John Twitty Energy Center, using food grade CO{sub 2}, had to be abandoned when the isolated aquifer was found to have very low dissolved solids content. Investigations at the Sioux Plant and Thomas Hill Energy Center in Randolph County found suitably saline conditions in the St. Francois. A fourth borehole in Platte County was discontinued before reaching the aquifer. Laboratory analyses of rock core and water samples indicate that the St. Charles and Randolph County sites could have storage potentials worthy of further study. The report suggests additional Missouri areas for further investigation as well.

  15. EA-193 Energy Atlantic, LLC | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    EA-193 Energy Atlantic, LLC Order authorizing Energy Atlantic, LLC to export electric energy to Canada. EA-193 Energy Atlantic, LLC (22.85 KB) More Documents & Publications ...

  16. Adaptive Wavenumber Estimation for Mode Tracking in a Shallow...

    Office of Scientific and Technical Information (OSTI)

    Tracking in a Shallow Ocean Environment Citation Details In-Document Search Title: Adaptive Wavenumber Estimation for Mode Tracking in a Shallow Ocean Environment You are ...

  17. Paleoecologic and biostratigraphic models for pleistocene through miocene foraminiferal assemblages of the Gulf Coast Basin

    SciTech Connect (OSTI)

    Breard, S.Q.; Callender, A.D.; Nault, M.J. )

    1993-09-01

    We have developed operationally oriented paleoecologic models used in hydrocarbon exploration of the Gulf Coast basin for Pleistocene through Miocene foraminifera and an updated, refined biostratigraphic chart. We also present estimated paleoecologic tolerances for major benthic and planktic foraminiferal markers, and discuss a number of rules and problems encountered in oil industry paleoenvironmental reconstruction. Key benthic paleoenvironmental markers for particular depth zones are graphically presented for the Pleistocene through Miocene. Improvements over previous models include greater use of calcareous and arenaceous foraminiferal species not used or recognized in earlier studies. Finer subdivisions of bathyal paleoenvironments are of particular significance due to current Gulf of Mexico deep-water exploration. Operationally, the abyssal environmental is difficult to recognize due to a reliance of faunal abundance to delineate abyssal from bathyal and the lack of abyssal zone markers. A number of genera and species are identified as having changed habitat preference through time. Some forms have moved progressively into deeper water (Ceratobulimina Cyclammina cancellata and Nonion pompiloides). Conversely, the movement of species into progressively shallower occurrences through time (Pullenia bullodies) appears to be less common. The widespread occurrence of known Gulf of Mexico foraminiferal species from countries such as Mexico, Venezuela, Ecuador, Jamaica, Trinidad, and the Dominican Republic, suggest that these; models have direct application to Neogene studies in Central America, South America, the Caribbean, and the U.S. Gulf Coast. We introduce a variety of deep-water benthic marker foraminifera, many for the first time. These taxa help fill gaps for deeper-water sections where standard benthic marker foraminifera do not occur, helping debunk the popular myth that benthic foraminifera are useless as markers in the exploration of deep-water sections.

  18. A Preliminary Regional Geothermal Assessment Of The Gulf Of Suez...

    Open Energy Info (EERE)

    along its eastern margin. The most promising areas for geothermal development in the NW Red Sea-Gulf of Suez rift system are locations along the eastern shore of the Gulf of Suez...

  19. Final Strategic Plan Released by Gulf Coast Ecosystem Restoration Taskforce

    Office of Energy Efficiency and Renewable Energy (EERE)

    Today (December 5) the Gulf Coast Ecosystem Restoration Task Force released its final strategy for long-term restoration in the Gulf, a path forward based on input from states, tribes, federal...

  20. Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals...

    Gasoline and Diesel Fuel Update (EIA)

    Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals (Million Cubic Feet per Day) Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals (Million Cubic Feet per...

  1. SEMI-ANNUAL REPORT - GULF LNG LIQUEFACTION COMPANY, LLC - FE...

    Energy Savers [EERE]

    GULF LNG LIQUEFACTION COMPANY, LLC - FE DKT. NO. 12-47-LNG - ORDER 3104 SEMI-ANNUAL REPORT - GULF LNG LIQUEFACTION COMPANY, LLC - FE DKT. NO. 12-47-LNG - ORDER 3104 PDF icon ...

  2. Gulf of Mexico Federal Offshore - Texas Dry Natural Gas Expected...

    U.S. Energy Information Administration (EIA) Indexed Site

    Dry Natural Gas Expected Future Production (Billion Cubic Feet) Gulf of Mexico Federal ... Dry Natural Gas Proved Reserves as of Dec. 31 Federal Offshore, Gulf of Mexico, Texas Dry ...

  3. Gulf of Mexico Federal Offshore - Texas Associated-Dissolved...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Federal Offshore - Texas Associated-Dissolved Natural Gas, Wet After Lease ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Texas Associated-Dissolved Natural Gas ...

  4. Gulf of Mexico Federal Offshore - Texas Natural Gas, Wet After...

    U.S. Energy Information Administration (EIA) Indexed Site

    Reserves (Billion Cubic Feet) Gulf of Mexico Federal Offshore - Texas Natural Gas, Wet ... as of Dec. 31 Federal Offshore, Gulf of Mexico, Texas Natural Gas Reserves Summary as of ...

  5. ,"Gulf of Mexico Federal Offshore - Texas Natural Gas, Wet After...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Texas Natural Gas, Wet ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Texas Natural Gas, Wet ...

  6. ,"Gulf of Mexico Federal Offshore - Texas Dry Natural Gas Expected...

    U.S. Energy Information Administration (EIA) Indexed Site

    Data for" ,"Data 1","Gulf of Mexico Federal Offshore - Texas Dry Natural Gas ... AM" "Back to Contents","Data 1: Gulf of Mexico Federal Offshore - Texas Dry Natural Gas ...

  7. EECBG Success Story: Gulf Coast's Texas City Sees Easy Energy...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Gulf Coast's Texas City Sees Easy Energy Savings EECBG Success Story: Gulf Coast's Texas City Sees Easy Energy Savings July 26, 2010 - 10:00am Addthis By replacing T-12 lights with ...

  8. Gulf of Mexico Fact Sheet - Energy Information Administration

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Fact Sheet Overview Data Petroleum and Other Liquids Crude Oil, Condensate and NGL Proved Reserves Natural Gas Natural Gas Proved Reserves Refinery Capacity Natural Gas Processing Plants The Gulf of Mexico area, both onshore and offshore, is one of the most important regions for energy resources and infrastructure. Gulf of Mexico federal offshore oil production accounts for 17% of total U.S. crude oil production and federal offshore natural gas production in the Gulf accounts for

  9. Modeling Springtime Shallow Frontal Clouds with Cloud-Resolving...

    Office of Scientific and Technical Information (OSTI)

    the Southern Great Plains and moisture transport from northwestern part of the Gulf of Mexico. This study emphasizes quantitative comparisons among model simulations and with data,...

  10. Nutrients in the Atlantic thermocline

    SciTech Connect (OSTI)

    Kawase, M.; Sarmiento, J.L.

    1985-09-20

    A set of maps are presented of nutrient distribution on isopycnal surfaces in the North and tropical Atlantic Ocean main thermocline. The data used in producing these maps are from the Transient Tracers in the Oceans (TTO) North Atlantic Study and Tropical Atlantic Study, an associated German study (Meteor 56/5), two cross-Atlantic sections from cruise 109 of the Atlantis II, and the GEOSECS program. The nutrient distributions reflect primarily the sources at the northern and southern outcrops of the isopycnal surfaces, the in situ regeneration due to decomposition of sinking organic materials, and the interior physical processes as inferred from thermocline models and the distribution of conservative properties such as salinity. However, silica also exhibits behavior that cannot be explained by in situ regeneration. A simple phenomenological model suggests that cross-isopycnal advection and mixing in the equatorial region may play an important role in the nutrient dynamics. These data should prove of great value in constraining models of physical as well as biogeochemical processes. 43 references, 12 figures, 1 table.

  11. Niugini Gulf tackles New Guinea Wildcat

    SciTech Connect (OSTI)

    Moore, S.D.

    1983-08-01

    Niugini Gulfs Juha No. 1 well in the Southern Highlands of Papua New Guinea exemplifies the challenges of drilling a remote location wildcat. Although the future for oil developments in New Guinea is still in question, the tremendous technological and logistic planning for a remote wildcat should not be overlooked. The ability of Niugini Gulfs engineers and management team to drill and operate a well like Juha No. 1 within budget is in itself a significant achievement. Located in the approximate center of this Southeast Asian country, the Juha well is surrounded by dense jungle and is virtually inaccessible by surface transportation. As a result, Niugini Gulf had to move rig, equipment, and manpower to the well site entirely by helicopter.

  12. Gulf Coast Clean Energy Application Center

    SciTech Connect (OSTI)

    Dillingham, Gavin

    2013-09-30

    The Gulf Coast Clean Energy Application Center was initiated to significantly improve market and regulatory conditions for the implementation of combined heat and power technologies. The GC CEAC was responsible for the development of CHP in Texas, Louisiana and Oklahoma. Through this program we employed a variety of outreach and education techniques, developed and deployed assessment tools and conducted market assessments. These efforts resulted in the growth of the combined heat and power market in the Gulf Coast region with a realization of more efficient energy generation, reduced emissions and a more resilient infrastructure. Specific t research, we did not formally investigate any techniques with any formal research design or methodology.

  13. Crude Oil Imports From Persian Gulf

    Gasoline and Diesel Fuel Update (EIA)

    8,515 8,460 8,445 8,597 8,548 8,488 1983-2016 Lower 48 8,033 8,033 8,020 8,120 8,065 8,015 2003-2016 Alaska 482 427 425 477 483 473 2003

    Crude Oil Imports From Persian Gulf January - December 2015 | Release Date: February 29, 2016 | Next Release Date: September 2016 2015 Crude Oil Imports From Persian Gulf Highlights It should be noted that several factors influence the source of a company's crude oil imports. For example, a company like Motiva, which is partly owned by Saudi Refining Inc.,

  14. Evolution of Pre-Jurassic basement beneath northern Gulf of Mexico coastal plain

    SciTech Connect (OSTI)

    Van Siclen, D.C.

    1990-09-01

    Data from the northern Gulf Coast region reveal a late Paleozoic wrench fault system along which North America (NA) moved southeast (present directions) alongside the northeastern edge of future South America (SA), to where collision with that continent converted a broad continental embankment off the Southern Oklahoma aulacogen into the Ouachita thrust belt. At the same time, Africa farther east, to which protruding SA was firmly joined, was continuing to advance the Appalachian thrusts on the opposite side of these faults. This relationship left no space between the American continents for the conventional remnant ocean or microcontinents. By Late Triassic time, however, extension south of the Ouachita Mountains was forming the series of Interior rift basins, at both ends of which new wrench faults transferred the extension southward to the DeSoto Canyon and South Texas rift basins. Genetically, the Ouachita thrusts are part of the subduction zone along the front of a former SA forearc basin, which continued to receive marine sediments into middle Permian. The Wiggins arch southeast of it is a sliver of that continent, left with NA when the Interior basin rifting jumped from that forearc basin southward across bordering outer basement highs to begin opening the deep Gulf of Mexico (GOM) basin. The Late Triassic crustal extension resulted from right-lateral translation of NA around the bulge of northwestern Africa. About 200 mi of this placed Cape Hatteras against Africa's Cap Blanc, in the configuration from which the magnetic data indicate spreading began in the Central North Atlantic Ocean. The reality of this translation is confirmed by widespread rifting at the same time in western North Africa and between all three northern Atlantic continents; this drew the tip of the Tethys sea southward to Cape Hatteras and led to deposition of voluminous Late Triassic red beds and evaporites along it.

  15. Gulf Coast-East Coast magnetic anomaly I: Root of the main crustal decollement for the Appalachian-Ouachita orogen

    SciTech Connect (OSTI)

    Hall, D.J. (Total Minatome Corporation, Houston, TX (USA))

    1990-09-01

    The Gulf Coast-East Coast magnetic anomaly extends for at least 4000 km from south-central Texas to offshore Newfoundland as one of the longest continuous tectonic features in North America and a major crustal element of the entire North Atlantic-Gulf Coast region. Analysis of 28 profiles spaced at 100km intervals and four computed models demonstrate that the anomaly may be explained by a thick zone of mafic and ultramafic rocks averaging 13-15 km in depth. The trend of the anomaly closely follows the trend of main Appalachian features: in the Gulf Coast of Louisiana, the anomaly is as far south of the Ouachita front as it is east of the western limit of deformation through the central Appalachians. Because the anomaly continues across well-known continental crust in northern Florida and onshore Texas, it cannot plausibly be ascribed to an edge effect at the boundary of oceanic with continental crustal compositions. The northwest-verging, deep-crustal events discovered in COCORP data from the Ouachitas and Appalachians suggest an analogy with the main suture of the Himalayan orogen in the Tibetan Plateau. In this paper the anomaly is identified with the late Paleozoic Alleghenian megasuture, in which the northwest-verging crustal-detachment surfaces ultimately root.

  16. Pipeline transportation of natural gas from the Gulf Coast to the Northeast

    SciTech Connect (OSTI)

    Boehm, J.C.

    1980-01-01

    Transcontinental Gas Pipe Line Corp.'s national gas pipeline system from the Gulf Coast producing area (where 75% of its supply lies offshore) extends for 1832 mi along the Gulf Coast through the southeastern Piedmont and north to terminate in New York City. It serves high-priority markets in 11 southern and Atlantic seaboard states with a daily flowing capacity of 3.0 billion cu ft/day and an additional 1.5 billion cu ft/day available from storage. Also discussed are gas conditioning for the removal of hydrogen sulfide, carbon dioxide, water vapor and entrained salt water and solids, and measurement of gas volume with a meter and gravitometer and of heating value with a calorimeter; gas transmission through 9,295 mi of pipeline, made up mostly of four, 30-42 in. dia parallel pipelines with 1,062,452 hp of compression capacity; LNG storage, including unique facilities at the Eminence, Miss., Salt Dome Storage facility and the Carlstadt, N.J., LNG plant; odorization; operations; and pipeline protection against third-party damage and against corrosion.

  17. Atlantic Ethanol Capital | Open Energy Information

    Open Energy Info (EERE)

    Ethanol Capital Jump to: navigation, search Name: Atlantic Ethanol Capital Place: Washington, Washington, DC Product: Biofuel Investor in Caribbean and Central American region....

  18. Atlantic Wind Solar Inc | Open Energy Information

    Open Energy Info (EERE)

    search Name: Atlantic Wind & Solar Inc. Place: Coconut Groove, Florida Zip: 33133 Sector: Solar, Wind energy Product: Florida-based installer of distributed wind and solar systems...

  19. Jersey Atlantic Wind Farm | Open Energy Information

    Open Energy Info (EERE)

    energy Facility Type Commercial Scale Wind Facility Status In Service Owner Babcock & Brown owns majority Developer Jersey American Wind- LLC Energy Purchaser Atlantic County...

  20. Atlantic Biodiesel Inc | Open Energy Information

    Open Energy Info (EERE)

    Biodiesel Inc Jump to: navigation, search Name: Atlantic Biodiesel, Inc. Place: Salem, New Hampshire Zip: 30790 Product: Privately-held corporation producing biodiesal in its...

  1. Atlantic County, New Jersey: Energy Resources | Open Energy Informatio...

    Open Energy Info (EERE)

    Companies in Atlantic County, New Jersey Bartholomew Heating and Cooling Energy Enterprises South Jersey Industries Energy Generation Facilities in Atlantic County, New Jersey...

  2. Stantec Investigates Bat Activity in Atlantic and Great Lakes...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Stantec Investigates Bat Activity in Atlantic and Great Lakes Offshore Regions Stantec Investigates Bat Activity in Atlantic and Great Lakes Offshore Regions October 1, 2013 - ...

  3. 2015 ACI Mid-Atlantic Regional Home Performance Conference |...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ACI Mid-Atlantic Regional Home Performance Conference 2015 ACI Mid-Atlantic Regional Home Performance Conference October 20, 2015 9:00AM EDT to October 21...

  4. Atlantic City Convention Center Solar Power Plant | Open Energy...

    Open Energy Info (EERE)

    Convention Center Solar Power Plant Jump to: navigation, search Name Atlantic City Convention Center Solar Power Plant Facility Atlantic City Convention Center Sector Solar...

  5. Gulf of Mexico Regional Collaborative Final Report

    SciTech Connect (OSTI)

    Judd, Kathleen S.; Judd, Chaeli; Engel-Cox, Jill A.; Gulbransen, Thomas; Anderson, Michael G.; Woodruff, Dana L.; Thom, Ronald M.; Guzy, Michael; Hardin, Danny; Estes, Maury

    2007-12-01

    This report presents the results of the Gulf of Mexico Regional Collaborative (GoMRC), a year-long project funded by NASA. The GoMRC project was organized around end user outreach activities, a science applications team, and a team for information technology (IT) development. Key outcomes are summarized below for each of these areas. End User Outreach; Successfully engaged federal and state end users in project planning and feedback; With end user input, defined needs and system functional requirements; Conducted demonstration to End User Advisory Committee on July 9, 2007 and presented at Gulf of Mexico Alliance (GOMA) meeting of Habitat Identification committee; Conducted significant engagement of other end user groups, such as the National Estuary Programs (NEP), in the Fall of 2007; Established partnership with SERVIR and Harmful Algal Blooms Observing System (HABSOS) programs and initiated plan to extend HABs monitoring and prediction capabilities to the southern Gulf; Established a science and technology working group with Mexican institutions centered in the State of Veracruz. Key team members include the Federal Commission for the Protection Against Sanitary Risks (COFEPRIS), the Ecological Institute (INECOL) a unit of the National Council for science and technology (CONACYT), the Veracruz Aquarium (NOAA’s first international Coastal Ecology Learning Center) and the State of Veracruz. The Mexican Navy (critical to coastal studies in the Southern Gulf) and other national and regional entities have also been engaged; and Training on use of SERVIR portal planned for Fall 2007 in Veracruz, Mexico Science Applications; Worked with regional scientists to produce conceptual models of submerged aquatic vegetation (SAV) ecosystems; Built a logical framework and tool for ontological modeling of SAV and HABs; Created online guidance for SAV restoration planning; Created model runs which link potential future land use trends, runoff and SAV viability; Analyzed SAV

  6. DOE_Gulf_Response.pdf | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    GulfResponse.pdf DOEGulfResponse.pdf (98.71 KB) More Documents & Publications DeepwaterResponse.pdf UDAC Meeting - September 2012 April 30, 2010 Situation Report

  7. ,"Federal Offshore, Gulf of Mexico, Louisiana & Alabama Nonassociated...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Louisiana & Alabama Nonassociated Natural Gas Proved Reserves, Wet After Lease...

  8. ,"Federal Offshore, Gulf of Mexico, Texas Crude Oil plus Lease...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Texas Crude Oil plus Lease Condensate Proved Reserves",10,"Annual",2014,"06302009"...

  9. ,"Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Natural Gas Gross Withdrawals and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest...

  10. ,"Federal Offshore, Gulf of Mexico, Louisiana & Alabama Crude...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Louisiana & Alabama Crude Oil plus Lease Condensate Proved Reserves",10,"Annual",2014...

  11. ,"Federal Offshore, Gulf of Mexico, Louisiana & Alabama Associated...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Louisiana & Alabama Associated-Dissolved Natural Gas Proved Reserves, Wet After Lease...

  12. ,"Federal Offshore, Gulf of Mexico, Texas Nonassociated Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Texas Nonassociated Natural Gas Proved Reserves, Wet After Lease...

  13. ,"Federal Offshore, Gulf of Mexico, Texas Dry Natural Gas Proved...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Texas Dry Natural Gas Proved Reserves",10,"Annual",2014,"06301981" ,"Release...

  14. ,"Federal Offshore, Gulf of Mexico, Louisiana & Alabama Dry Natural...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Louisiana & Alabama Dry Natural Gas Proved Reserves",10,"Annual",2014,"06301981"...

  15. ,"Federal Offshore, Gulf of Mexico, Louisiana & Alabama Coalbed...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Louisiana & Alabama Coalbed Methane Proved Reserves, Reserves Changes, and...

  16. ,"Federal Offshore, Gulf of Mexico, Texas Associated-Dissolved...

    U.S. Energy Information Administration (EIA) Indexed Site

    Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore, Gulf of Mexico, Texas Associated-Dissolved Natural Gas Proved Reserves, Wet After Lease...

  17. Continuity and internal properties of Gulf Coast sandstones and...

    Office of Scientific and Technical Information (OSTI)

    properties of Gulf Coast sandstones and their implications for geopressured fluid production Morton, R.A.; Ewing, T.E.; Tyler, N. 15 GEOTHERMAL ENERGY; GEOPRESSURED...

  18. Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals...

    U.S. Energy Information Administration (EIA) Indexed Site

    Release Date: 06302016 Next Release Date: 07292016 Referring Pages: Natural Gas Gross Withdrawals from Shale Gas Wells Federal Offshore Gulf of Mexico Natural Gas Gross ...

  19. Federal Offshore--Gulf of Mexico Nonhydrocarbon Gases Removed...

    U.S. Energy Information Administration (EIA) Indexed Site

    Release Date: 06302016 Next Release Date: 07292016 Referring Pages: Nonhydrocarbon Gases Removed from Natural Gas Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals ...

  20. Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals...

    U.S. Energy Information Administration (EIA) Indexed Site

    Release Date: 06302016 Next Release Date: 07292016 Referring Pages: Natural Gas Gross Withdrawals from Coalbed Wells Federal Offshore Gulf of Mexico Natural Gas Gross ...

  1. Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Proved Reserves from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids Proved Reserves from Greater than 200 Meters Deep...

  2. Gulf of Mexico Federal Offshore Percentage of Crude Oil Production...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Production from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Crude Oil Production from Greater than 200 Meters Deep (Percent) Decade Year-0...

  3. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Proved Reserves from Less than 200 Meters Deep (Million Barrels)...

  4. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Gasoline and Diesel Fuel Update (EIA)

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Production from Greater than 200 Meters Deep (Million Barrels)...

  5. Gulf of Mexico Federal Offshore Percentage of Natural Gas, Wet...

    Gasoline and Diesel Fuel Update (EIA)

    Proved Reserves from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas, Wet After Lease Separation, Proved Reserves from Greater than...

  6. Gulf of Mexico Federal Offshore - Texas Natural Gas Plant Liquids...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Natural Gas Plant Liquids, Proved Reserves (Million Barrels) Gulf of Mexico Federal Offshore - Texas Natural Gas Plant Liquids, Proved Reserves (Million Barrels) Decade Year-0...

  7. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Less than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Production from Less than 200 Meters Deep (Billion Cubic...

  8. Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves from Greater than 200 Meters Deep (Million Barrels) Decade Year-0...

  9. Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves from Less than 200 Meters Deep (Million Barrels) Decade Year-0...

  10. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Greater than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Production from Greater than 200 Meters Deep (Billion...

  11. Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids...

    Gasoline and Diesel Fuel Update (EIA)

    Proved Reserves from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids Lease Condensate Proved Reserves from Greater than 200...

  12. Gulf of Mexico Federal Offshore Percentage of Dry Natural Gas...

    Gasoline and Diesel Fuel Update (EIA)

    Production from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Dry Natural Gas Production from Greater than 200 Meters Deep (Percent) Decade...

  13. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Proved Reserves from Less than 200 Meters Deep (Billion...

  14. Gulf of Mexico Federal Offshore Percentage of Crude Oil Proved...

    Gasoline and Diesel Fuel Update (EIA)

    Proved Reserves from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Crude Oil Proved Reserves from Greater than 200 Meters Deep (Percent)...

  15. Gulf of Mexico Federal Offshore Dry Natural Gas Proved Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    Greater than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Proved Reserves from Greater than 200 Meters Deep (Billion Cubic Feet) Decade...

  16. Gulf of Mexico Federal Offshore Percentage of Natural Gas, Wet...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Production from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas, Wet After Lease Separation, Production from Greater than 200...

  17. Gulf of Mexico Federal Offshore Natural Gas Liquids Production...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Production from Greater than 200 Meters Deep (Million Barrels) Decade Year-0...

  18. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Gasoline and Diesel Fuel Update (EIA)

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Proved Reserves from Greater than 200 Meters Deep (Million...

  19. Gulf of Mexico Federal Offshore Percentage of Dry Natural Gas...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Proved Reserves from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Dry Natural Gas Proved Reserves from Greater than 200 Meters Deep...

  20. Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids...

    Gasoline and Diesel Fuel Update (EIA)

    Production from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids Production from Greater than 200 Meters Deep (Percent)...

  1. Gulf of Mexico Federal Offshore - Louisiana and Alabama Natural...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Natural Gas Plant Liquids, Proved Reserves (Million Barrels) Gulf of Mexico Federal Offshore - Louisiana and Alabama Natural Gas Plant Liquids, Proved Reserves (Million Barrels)...

  2. Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Production from Greater than 200 Meters Deep (Percent) Gulf of Mexico Federal Offshore Percentage of Natural Gas Liquids Lease Condensate Production from Greater than 200 Meters...

  3. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Production from Less than 200 Meters Deep (Million Barrels) Decade...

  4. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Gasoline and Diesel Fuel Update (EIA)

    Greater than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Proved Reserves from Greater than 200 Meters Deep...

  5. GULF OF MEXICO SEAFLOOR STABILITY AND GAS HYDRATE MONITORING STATION PROJECT

    SciTech Connect (OSTI)

    J. Robert Woolsey; Thomas M. McGee; Robin C. Buchannon

    2004-11-01

    The gas hydrates research Consortium (HRC), established and administered at the University if Mississippi's Center for Marine Research and Environmental Technology (CMRET) has been active on many fronts in FY 03. Extension of the original contract through March 2004, has allowed completion of many projects that were incomplete at the end of the original project period due, primarily, to severe weather and difficulties in rescheduling test cruises. The primary objective of the Consortium, to design and emplace a remote sea floor station for the monitoring of gas hydrates in the Gulf of Mexico by the year 2005 remains intact. However, the possibility of levering HRC research off of the Joint Industries Program (JIP) became a possibility that has demanded reevaluation of some of the fundamental assumptions of the station format. These provisions are discussed in Appendix A. Landmark achievements of FY03 include: (1) Continuation of Consortium development with new researchers and additional areas of research contribution being incorporated into the project. During this period, NOAA's National Undersea Research Program's (NURP) National Institute for Undersea Science and Technology (NIUST) became a Consortium funding partner, joining DOE and Minerals Management Service (MMS); (2) Very successful annual and semiannual meetings in Oxford Mississippi in February and September, 2003; (3) Collection of piston cores from MC798 in support of the effort to evaluate the site for possible monitoring station installation; (4) Completion of the site evaluation effort including reports of all localities in the northern Gulf of Mexico where hydrates have been documented or are strongly suspected to exist on the sea floor or in the shallow subsurface; (5) Collection and preliminary evaluation of vent gases and core samples of hydrate from sites in Green Canyon and Mississippi Canyon, northern Gulf of Mexico; (6) Monitoring of gas activity on the sea floor, acoustically and thermally

  6. Eastern North Atlantic Site, Graciosa Island, Azores

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    govSitesEastern North Atlantic ENA Related Links Facilities and Instruments ES&H Guidance Statement Operations Science Field Campaigns Visiting the Site ENA Fact Sheet (PDF, 512KB) Images Information for Guest Scientists Contacts Eastern North Atlantic This view shows Graciosa Island, Azores, Eastern North Atlantic Facility. Graciosa Island: 39° 5' 29.68" N, 28° 1' 32.34" W Altitude: 30.48 meters The new ENA observations site will be situated near the previous AMF deployment. The

  7. Effectiveness of Shallow Temperatures Surveys to Target a Geothermal...

    Open Energy Info (EERE)

    Effectiveness of Shallow Temperatures Surveys to Target a Geothermal Reservoir at Previously Explored Site at Mcgee Mountain, Nevada Jump to: navigation, search OpenEI Reference...

  8. Bouguer gravity anomalies, depth to bedrock, and shallow temperature...

    Open Energy Info (EERE)

    Bouguer gravity anomalies, depth to bedrock, and shallow temperature in the Humboldt House geothermal area, Pershing County, Nevada Jump to: navigation, search OpenEI Reference...

  9. ARM - Field Campaign - Holistic Interactions of Shallow Clouds...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Nano-Particle Number Concentrations Related Campaigns Holistic Interactions of Shallow ... Aerosols, and Land-Ecosystems (HI-SCALE): Nano-Particle Number Concentrations 2016.08.28 ...

  10. ARM - Field Campaign - Holistic Interactions of Shallow Clouds...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE); National Geospatial-Intelligence Agency Calibration Target Placements 2016.04.24, Kalukin, SGP ...

  11. Anomalous shear wave attenuation in the shallow crust beneath...

    Open Energy Info (EERE)

    volcanic region, California Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Anomalous shear wave attenuation in the shallow crust beneath the...

  12. Improvements in Shallow (Two-Meter) Temperature Measurements...

    Open Energy Info (EERE)

    Center for Geothermal Energy has been working on improvements in shallow (two-meter) temperature surveys in two areas: overcoming limitations posed by difficult ground...

  13. A Shallow Attenuating Anomaly Inside The Ring Fracture Of The...

    Open Energy Info (EERE)

    Roberts,Keiiti Aki,Michael C. Fehler. 1995. A Shallow Attenuating Anomaly Inside The Ring Fracture Of The Valles Caldera, New Mexico. Journal of Volcanology and Geothermal...

  14. Differences Between Tropical and Trade-Wind Shallow Cumuli

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Differences Between Tropical and Trade-Wind Shallow Cumuli For original submission and image(s), see ARM Research Highlights http:www.arm.govsciencehighlights Research...

  15. EIA - Gulf of Mexico Energy Data

    Gasoline and Diesel Fuel Update (EIA)

    Electricity Generating Capacity Release Date: January 3, 2013 | Next Release: August 2013 Year Existing Units by Energy Source Unit Additions Unit Retirements 2011 XLS XLS XLS 2010 XLS XLS XLS 2009 XLS XLS XLS 2008 XLS XLS XLS 2007 XLS XLS XLS 2006 XLS XLS XLS 2005 XLS XLS XLS 2004 XLS XLS XLS 2003 XLS XLS XLS Source: Form EIA-860, "Annual Electric Generator Report." Related links Electric Power Monthly Electric Power Annual Form EIA-860 Source Data

    Gulf of Mexico Fact Sheet

  16. EIA - Gulf of Mexico Energy Data

    Gasoline and Diesel Fuel Update (EIA)

    Sandy Overview Map Gasoline Updates Petroleum Terminal Survey Petroleum and Other Liquids Natural Gas Refinery Capacity Natural Gas Processing Plants Release Date: August 7, 2012 Energy Data all tables + EXPAND ALL U.S. Petroleum and Other Liquid Fuels Facts for 2011 million barrels per day Share of Total U.S. Liquid Fuels Consumed Liquid Fuels Production 10.3 55% U.S. Crude Oil Production 5.7 30% Total U.S. Federal Offshore 1.4 7% Gulf of Mexico Federal Offshore 1.3 7% Natural Gas Plant Liquids

  17. Federal Offshore Gulf of Mexico Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    Federal Offshore Gulf of Mexico Proved Reserves Period: Annual Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Data Series 2002 2003 2004 2005 2006 2007 View History Dry Natural Gas (billion cubic feet) 24,689 22,059 18,812 17,007 14,549 13,634 1992-2007 Depth Less Than 200 Meters 14,423 12,224 10,433 8,964 8,033 NA 1992-2007 Depth Greater Than 200 Meters 10,266 9,835 8,379 8,043 6,516 NA 1992-2007 Percentage from Depth Greater

  18. Atlantic Municipal Utilities | Open Energy Information

    Open Energy Info (EERE)

    Place: Iowa Phone Number: 712-243-1395 Website: www.a-m-u.net Twitter: @AMUAtlantic Facebook: https:www.facebook.comAtlanticMunicipalUtilities Outage Hotline: 712-243-1395...

  19. Teleconnections of the Southern Oscillation in the tropical Atlantic sector in the OSU coupled upper ocean-atomosphere GCM

    SciTech Connect (OSTI)

    Hameed, S.; Meinster, A. ); Sperber, K.R. )

    1993-03-01

    The Oregon State University coupled upper ocean-atmosphere GCM has been shown to qualitatively simulate the Southern Oscillation. A composite analysis of the warm and cold events simulated in this 23-year integration has been performed. During the low phase of the Southern Oscillation, when warm anomalies occur in the eastern Pacific, the model simulates for the Atlantic region during March-May (1) a deficit of precipitation over the tropical South American continent, (2) Caribbean and Gulf of Mexico sea level pressure and sea surface temperature are in phase with the eastern Pacific anomalies, while those east of the Nordeste region are out of phase, and (3) northeast trade winds are anomalously weak and southwest trade winds are anomalously strong (as inferred from surface current anomalies). The anomalies in the oceanic processes are induced by perturbations in the atmospheric circulation over the Atlantic and are coupled to changes in the Walker circulation. During the high phase of the simulated Southern Oscillation, conditions in the atmosphere and ocean are essentially the reverse of the low phase. The model produces a response in the South American region during the opposing phases of the Southern Oscillation that is in general agreement with observations. The interannual variation of Nordeste rainfall is shown to be dominated by a few band-limited frequencies. These frequencies are found in the SST series of those regions of the Atlantic and Pacific oceans where strong correlations with Nordeste precipitation exist.

  20. Depositional patterns of kerogen, Atlantic Margin, North America

    SciTech Connect (OSTI)

    Armentrout, J.M.

    1985-02-01

    Geochemical and biostratigraphic data from offshore wells along the Atlantic margin of North America define a depositional history dominated by coastal-plain and shallow-shelf facies containing degraded and residual continent-derived kerogen. Exceptions to this generalization are 4 depositional facies containing hydrogen-rich amorphous kerogen assemblages. The rocks containing hydrogen-rich amorphous kerogen assemblages are: (1) Upper Jurassic inner-shelf facies probably deposited in algal-rich lagoonlike environments, (2) Lower Cretaceous nonmarine coaly facies, probably deposited in algal-rich swamplike environments, (3) middle Cretaceous abyssal-plain facies probably deposited by turbidity currents that originated on an algal-rich slope, and (4) Miocene outer-shelf to upper-slope facies probably deposited under algal-rich upwelling systems. Correlations of these facies to seismic packages allows for extrapolation of probable organic facies distribution throughout the continental margin. Such modeling of organic facies distributions in conjunction with plate-tectonic and ocean-circulation models permits refinement of strategies for hydrocarbon exploration.

  1. 3-D seismology in the Arabian Gulf

    SciTech Connect (OSTI)

    Al-Husseini, M.; Chimblo, R.

    1995-08-01

    Since 1977 when Aramco and GSI (Geophysical Services International) pioneered the first 3-D seismic survey in the Arabian Gulf, under the guidance of Aramco`s Chief Geophysicist John Hoke, 3-D seismology has been effectively used to map many complex subsurface geological phenomena. By the mid-1990s extensive 3-D surveys were acquired in Abu Dhabi, Oman, Qatar and Saudi Arabia. Also in the mid-1990`s Bahrain, Kuwait and Dubai were preparing to record surveys over their fields. On the structural side 3-D has refined seismic maps, focused faults and fractures systems, as well as outlined the distribution of facies, porosity and fluid saturation. In field development, 3D has not only reduced drilling costs significantly, but has also improved the understanding of fluid behavior in the reservoir. In Oman, Petroleum Development Oman (PDO) has now acquired the first Gulf 4-D seismic survey (time-lapse 3D survey) over the Yibal Field. The 4-D survey will allow PDO to directly monitor water encroachment in the highly-faulted Cretaceous Shu`aiba reservoir. In exploration, 3-D seismology has resolved complex prospects with structural and stratigraphic complications and reduced the risk in the selection of drilling locations. The many case studies from Saudi Arabia, Oman, Qatar and the United Arab Emirates, which are reviewed in this paper, attest to the effectiveness of 3D seismology in exploration and producing, in clastics and carbonates reservoirs, and in the Mesozoic and Paleozoic.

  2. Petroleum source potential of miocene and eocene shales from the continental slope of the northwestern Gulf of Mexico

    SciTech Connect (OSTI)

    Steffans, G. )

    1993-09-01

    From 1965 through 1968, 80 core holes were drilled by the M/V Eureka above shallow salt bodies on the continental slope of the northwestern Gulf of Mexico (offshore Texas and Louisiana) in water depths of 660-5280 ft. (An additional 13 deep-water core holes were drilled in the north-central gulf of Mexico.) Approximately 40,000 ft of sediment and small amounts of diapiric salt and/or associated cap rock were penetrated by these 80 Eureka core holes, from which more than 18,000 ft of core subsequently was recovered. Although most core holes penetrated only Pleistocene sediments, allochthonous sequences of older sediments (Pliocene-Upper Cretaceous) emplaced during salt diapirism were penetrated at eight drill sites in the northwestern Gulf of Mexico. We have determined the petroleum source potential of Miocene and Eocene shales from four deep-water Eureka core holes (water depths of 1890-2350 ft) in the northwestern Gulf of Mexico. All of these samples have attained only moderate levels of thermal maturity (VR [approx] 0.4-0.6). Two samples of Miocene shale obtained from the East Break 672 Block are relatively lean (containing only 0.37-0.54 wt.% total organic carbon) and their kerogen is enriched in gas prone or inert macerals. Eocene shales penetrated in the Alaminos Canyon 970 and 971 blocks are slightly richer (0.68-0.95 wt.% total organic carbon), principally because they contain migrated petroleum-aliquots extracted with a strong organic solvent contain only 0.31 0.48 wt.% total organic carbon. The leanest sample is an Eocene shale obtained from the boundary between the Garden Banks 332 and 333 blocks, approximately 18 mi northwest of the deep-water Auger oil and gas discovery. This sample contains only 0.33 wt% total organic carbon, and its kerogen also consists predominantly of gas-prone or inert macerals. We conclude these Tertiary shale samples are not the source of the oil that has been generated in the deepwater realm of the northwestern Gulf of Mexico.

  3. Shallow melt apparatus for semicontinuous czochralski crystal growth

    DOE Patents [OSTI]

    Wang, Tihu; Ciszek, Theodore F.

    2006-01-10

    In a single crystal pulling apparatus for providing a Czochralski crystal growth process, the improvement of a shallow melt In a single crystal pulling apparatus for providing a Czochralski crystal growth process, the improvement of a shallow melt crucible (20) to eliminate the necessity supplying a large quantity of feed stock materials that had to be preloaded in a deep crucible to grow a large ingot, comprising a gas tight container a crucible with a deepened periphery (25) to prevent snapping of a shallow melt and reduce turbulent melt convection; source supply means for adding source material to the semiconductor melt; a double barrier (23) to minimize heat transfer between the deepened periphery (25) and the shallow melt in the growth compartment; offset holes (24) in the double barrier (23) to increase melt travel length between the deepened periphery (25) and the shallow growth compartment; and the interface heater/heat sink (22) to control the interface shape and crystal growth rate.

  4. Gulf of Mexico Proved Reserves By Water Depth, 2009

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Proved Reserves and Production by Water Depth, 2009 1 Gulf of Mexico Proved Reserves and Production by Water Depth The Gulf of Mexico Federal Offshore region (GOM Fed) has long been one of the Nation's principal sources of proved reserves. At the end of 2009, the GOM Fed accounted for close to one-fifth of oil proved reserves (second only to Texas) and just over four percent of natural gas proved reserves (the country's seventh largest reporting region). 1 Natural gas proved

  5. The Gulf War and the environment

    SciTech Connect (OSTI)

    El-Baz, F. (ed.) (Boston Univ., MA (United States). Center for Remote Sensing); Makharita, R.M. (ed.) (World Bank, Washington, DC (United States))

    1994-01-01

    The Gulf War inflicted dramatic environmental damage upon the fragile desert and shore environments of Kuwait and northeastern Saudi Arabia. Coastal and marine environments experienced oil spills of more than 8 million barrels, which killed wildlife and damaged the fishing industry. In inland Kuwait, hundreds of oil lakes are scattered across the desert surface: these lakes emit noxious gases, drown insects and birds, and may seep to pollute groundwater. Exploding and burning oil wells released soot particles, oil droplets, and noxious chemicals into the atmosphere, spreading air pollution, acid rain, and respiratory problems. Military diggings, constructions, and vehicles have destroyed much of the desert pavement, resulting in increased dust storms and large, moving dunes.

  6. Gulf of California Rift Zone Geothermal Region | Open Energy...

    Open Energy Info (EERE)

    Projects (0) Techniques (0) Map: Name The Gulf of California rift zone is a complex transition zone between the dextral (right-lateral) motion of the San Andreas transform...

  7. Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals...

    U.S. Energy Information Administration (EIA) Indexed Site

    Gas Wells (Million Cubic Feet) Federal Offshore--Gulf of Mexico Natural Gas Gross Withdrawals from Gas Wells (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov ...

  8. Entergy Gulf States Louisiana LLC | Open Energy Information

    Open Energy Info (EERE)

    States Louisiana LLC Jump to: navigation, search Name: Entergy Gulf States Louisiana LLC Place: Louisiana Phone Number: 1-800-368-3749 Website: www.entergy-louisiana.com Twitter:...

  9. Gulf Stream, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    Hide Map This article is a stub. You can help OpenEI by expanding it. Gulf Stream is a town in Palm Beach County, Florida. It falls under Florida's 22nd...

  10. Gulf Coast Electric Coop, Inc | Open Energy Information

    Open Energy Info (EERE)

    Electric Coop, Inc Jump to: navigation, search Name: Gulf Coast Electric Coop, Inc Place: Florida Phone Number: 1-800-568-3667 Website: www.gcec.com Outage Hotline: 1-800-568-3667...

  11. SEMI-ANNUAL REPORT - GULF LNG LIQUEFACTION COMPANY, LLC - FE...

    Broader source: Energy.gov (indexed) [DOE]

    More Documents & Publications SEMI-ANNUAL REPORTS FOR SOUTHERN LNG COMPANY - FE DKT. NO. 12-54-LNG - ORDER 3106 SEMI-ANNUAL REPORTS FOR GULF COAST LNG EXPORT, LLC - FE DKT. NO. ...

  12. Gulf of Mexico -- Offshore Natural Gas Withdrawals (Million Cubic...

    U.S. Energy Information Administration (EIA) Indexed Site

    -- Offshore Natural Gas Withdrawals (Million Cubic Feet) Gulf of Mexico -- Offshore Natural Gas Withdrawals (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 ...

  13. Gulf County, Florida: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    169-2006 Climate Zone Number 2 Climate Zone Subtype A. Places in Gulf County, Florida Port St. Joe, Florida Wewahitchka, Florida Retrieved from "http:en.openei.orgw...

  14. Oil Production Capacity Expansion Costs for the Persian Gulf

    Reports and Publications (EIA)

    1996-01-01

    Provides estimates of development and operating costs for various size fields in countries surrounding the Persian Gulf. In addition, a forecast of the required reserve development and associated costs to meet the expected demand through the year 2010 is presented.

  15. Gulf of Mexico Federal Offshore Dry Natural Gas Production from...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Production from Less than 200 Meters Deep (Billion Cubic Feet) Decade Year-0 Year-1...

  16. Gulf of Mexico Federal Offshore Crude Oil Production from Greater...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Production from Greater than 200 Meters Deep (Million Barrels) Decade Year-0 Year-1 Year-2...

  17. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Production (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7...

  18. Gulf Of Mexico Natural Gas Processed in Texas (Million Cubic...

    Gasoline and Diesel Fuel Update (EIA)

    Texas (Million Cubic Feet) Gulf Of Mexico Natural Gas Processed in Texas (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's...

  19. Gulf Of Mexico Natural Gas Processed in Alabama (Million Cubic...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Alabama (Million Cubic Feet) Gulf Of Mexico Natural Gas Processed in Alabama (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9...

  20. Gulf of Mexico Federal Offshore Crude Oil Proved Reserves (Million...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Proved Reserves (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's...

  1. Gulf Of Mexico Natural Gas Processed in Louisiana (Million Cubic...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Louisiana (Million Cubic Feet) Gulf Of Mexico Natural Gas Processed in Louisiana (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9...

  2. Gulf of Mexico Federal Offshore Crude Oil Production from Less...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Production from Less than 200 Meters Deep (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3...

  3. Gulf of Mexico Federal Offshore Crude Oil Proved Reserves from...

    Gasoline and Diesel Fuel Update (EIA)

    Greater than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Proved Reserves from Greater than 200 Meters Deep (Million Barrels) Decade Year-0 Year-1...

  4. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Proved Reserves (Billion Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

  5. Gulf of Mexico Federal Offshore Crude Oil Production (Million...

    Gasoline and Diesel Fuel Update (EIA)

    (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Production (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 267 266...

  6. Gulf of Mexico Federal Offshore Dry Natural Gas Production from...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Greater than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Production from Greater than 200 Meters Deep (Billion Cubic Feet) Decade Year-0...

  7. Gulf of Mexico Federal Offshore Natural Gas Liquids Production...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Production from Less than 200 Meters Deep (Million Barrels) Decade Year-0 Year-1...

  8. Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease...

    Gasoline and Diesel Fuel Update (EIA)

    (Billion Cubic Feet) Gulf of Mexico Federal Offshore Natural Gas, Wet After Lease Separation, Production (Billion Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

  9. Gulf Of Mexico Natural Gas Processed in Mississippi (Million...

    Gasoline and Diesel Fuel Update (EIA)

    Mississippi (Million Cubic Feet) Gulf Of Mexico Natural Gas Processed in Mississippi (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8...

  10. Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Lease Condensate Proved Reserves (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6...

  11. Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Proved Reserves (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9...

  12. Gulf of Mexico Federal Offshore Dry Natural Gas Production (Billion...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Production (Billion Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9...

  13. Gulf of Mexico Federal Offshore Natural Gas Liquids Production...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Barrels) Gulf of Mexico Federal Offshore Natural Gas Liquids Production (Million Barrels) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9...

  14. Gulf of Mexico Federal Offshore Dry Natural Gas Proved Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    Less than 200 Meters Deep (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Proved Reserves from Less than 200 Meters Deep (Billion Cubic Feet) Decade Year-0...

  15. Gulf Of Mexico Natural Gas Processed (Million Cubic Feet)

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    (Million Cubic Feet) Gulf Of Mexico Natural Gas Processed (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 1,317,031...

  16. Gulf of Mexico Federal Offshore Crude Oil Proved Reserves from...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Less than 200 Meters Deep (Million Barrels) Gulf of Mexico Federal Offshore Crude Oil Proved Reserves from Less than 200 Meters Deep (Million Barrels) Decade Year-0 Year-1 Year-2...

  17. Gulf of Mexico Federal Offshore Dry Natural Gas Expected Future...

    Gasoline and Diesel Fuel Update (EIA)

    Expected Future Production (Billion Cubic Feet) Gulf of Mexico Federal Offshore Dry Natural Gas Expected Future Production (Billion Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3...

  18. Microsoft Word - Accessing Gulf Resources article.doc

    Broader source: Energy.gov (indexed) [DOE]

    Gulf, plays some key role in 16-18% of the nation's total oil supply and is connected by pipelines to 50% of the country's refining capacity. It is very clear in my mind that the...

  19. Entergy (Louisiana and Gulf States)- Residential Energy Efficiency Program

    Broader source: Energy.gov [DOE]

    Residential customers of Entergy Louisiana, and Entergy Gulf States Louisiana can participate in energy efficiency programs designed to help offset cost of installing energy efficient equipment and...

  20. CHARACTERIZING NATURAL GAS HYDRATES IN THE DEEP WATER GULF OF MEXICO: APPLICATIONS FOR SAFE EXPLORATION AND PRODUCTION ACTIVITIES

    SciTech Connect (OSTI)

    Steve Holditch; Emrys Jones

    2003-01-01

    In 2000, Chevron began a project to learn how to characterize the natural gas hydrate deposits in the deepwater portions of the Gulf of Mexico. A Joint Industry Participation (JIP) group was formed in 2001, and a project partially funded by the U.S. Department of Energy (DOE) began in October 2001. The primary objective of this project is to develop technology and data to assist in the characterization of naturally occurring gas hydrates in the deep water Gulf of Mexico (GOM). These naturally occurring gas hydrates can cause problems relating to drilling and production of oil and gas, as well as building and operating pipelines. Other objectives of this project are to better understand how natural gas hydrates can affect seafloor stability, to gather data that can be used to study climate change, and to determine how the results of this project can be used to assess if and how gas hydrates act as a trapping mechanism for shallow oil or gas reservoirs. During the first six months of operation, the primary activities of the JIP were to conduct and plan Workshops, which were as follows: (1) Data Collection Workshop--March 2002 (2) Drilling, Coring and Core Analyses Workshop--May 2002 (3) Modeling, Measurement and Sensors Workshop--May 2002.

  1. EERE Success Story-New Jersey: Atlantic City Jitneys Running...

    Office of Environmental Management (EM)

    Atlantic City Jitneys Running on Natural Gas EERE Success Story-New Jersey: Atlantic City Jitneys Running on Natural Gas November 6, 2013 - 12:45pm Addthis In 2009, the New Jersey ...

  2. EIS-0465: Mid-Atlantic Power Pathway Transmission Line Project...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    5: Mid-Atlantic Power Pathway Transmission Line Project in Maryland and Delaware EIS-0465: Mid-Atlantic Power Pathway Transmission Line Project in Maryland and Delaware March 4, ...

  3. Energy Department Approves Gulf Coast Exports of Liquefied Natural Gas |

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Department of Energy Approves Gulf Coast Exports of Liquefied Natural Gas Energy Department Approves Gulf Coast Exports of Liquefied Natural Gas May 20, 2011 - 12:00am Addthis Washington, D.C. - The U.S. Department of Energy today issued a conditional authorization approving an application to export liquefied natural gas (LNG) from the Sabine Pass LNG Terminal in Louisiana, paving the way for thousands of new construction and domestic natural gas production jobs in Louisiana, Texas, and

  4. Mid-Atlantic Baseline Studies Project | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Mid-Atlantic Baseline Studies Project Mid-Atlantic Baseline Studies Project Funded by the Department of Energy, along with a number of partners, the collaborative Mid-Atlantic Baseline Studies Project, led by the Biodiversity Research Institute (BRI), helps improve understanding of species composition and use of the Mid-Atlantic marine environment in order to promote more sustainable offshore wind development. This first-of-its-kind study along the Eastern Seaboard of the United States delivers

  5. MidAtlantic_Corridor_Map091707.pdf | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    MidAtlantic_Corridor_Map091707.pdf MidAtlantic_Corridor_Map091707.pdf (1.64 MB) More Documents & Publications DOE Designates Southwest Area and Mid-Atlantic Area National Interest Electric Transmission Corridors October 2, 2007 FACT SHEET: Designation of National Interest Electric Transmission Corridors,As Authorized by the Energy Policy Act of 2005

  6. Engineering shallow spins in diamond with nitrogen delta-doping...

    Office of Scientific and Technical Information (OSTI)

    Title: Engineering shallow spins in diamond with nitrogen delta-doping We demonstrate nanometer-precision depth control of nitrogen-vacancy (NV) center creation near the surface of ...

  7. High-Resolution Aeromagnetic Survey to Image Shallow Faults,...

    Open Energy Info (EERE)

    to Image Shallow Faults, Dixie Valley Geothermal Field, Nevada Abstract NA Author V. J. S. Grauch Published U.S. Geological Survey, 2002 Report Number 02-384 DOI Not Provided...

  8. Rapid reconnaissance of geothermal prospects using shallow temperature...

    Open Energy Info (EERE)

    at Coso, a simple set of surface conditions. It is concluded that making useful shallow temperature measurements where there is a modest amount of ground water flow need not be a...

  9. Shallow Melt Apparatus for Semicontinuous Czochralski Crystal Growth

    DOE Patents [OSTI]

    Wang, T.; Ciszek, T. F.

    2006-01-10

    In a single crystal pulling apparatus for providing a Czochralski crystal growth process, the improvement of a shallow melt crucible (20) to eliminate the necessity supplying a large quantity of feed stock materials that had to be preloaded in a deep crucible to grow a large ingot, comprising a gas tight container a crucible with a deepened periphery (25) to prevent snapping of a shallow melt and reduce turbulent melt convection; source supply means for adding source material to the semiconductor melt; a double barrier (23) to minimize heat transfer between the deepened periphery (25) and the shallow melt in the growth compartment; offset holes (24) in the double barrier (23) to increase melt travel length between the deepened periphery (25) and the shallow growth compartment; and the interface heater/heat sink (22) to control the interface shape and crystal growth rate.

  10. Anderson Bay Shallow Geophysics Report (Other) | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    Anderson Bay Shallow Geophysics Report Citation Details In-Document Search Title: Anderson Bay Shallow Geophysics Report Conf Paper Authors: Louie, John [1] ; Colton, Dudley ; Marlon, Ramos ; Dustin, Naphan + Show Author Affiliations UNR Publication Date: 2013-09-30 OSTI Identifier: 1111654 Report Number(s): DOE-Pyramid-2842-jl10 DOE Contract Number: EE0002842 Resource Type: Other Research Org: Regents of the Nevada System of Higher Education Sponsoring Org: USDOE Contributing Orgs: PLPT,

  11. Flow rate--pressure drop relation for deformable shallow microfluidic

    Office of Scientific and Technical Information (OSTI)

    channels (Conference) | SciTech Connect Conference: Flow rate--pressure drop relation for deformable shallow microfluidic channels Citation Details In-Document Search Title: Flow rate--pressure drop relation for deformable shallow microfluidic channels Authors: Christov, Ivan [1] ; Cognet, Vincent [2] ; Stone, Howard A [3] + Show Author Affiliations Los Alamos National Laboratory Ecole Normale Superieure de Cachan Mechanical & Aerospace Engineering, Princeton University Publication Date:

  12. Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems

    Office of Scientific and Technical Information (OSTI)

    (HI-SCALE) Science Plan (Program Document) | SciTech Connect Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) Science Plan Citation Details In-Document Search Title: Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) Science Plan Cumulus convection is an important component in the atmospheric radiation budget and hydrologic cycle over the Southern Great Plains and over many regions of the world, particularly during the

  13. PNNL offers 'virtual tour' of Shallow Underground Laboratory | National

    National Nuclear Security Administration (NNSA)

    Nuclear Security Administration | (NNSA) PNNL offers 'virtual tour' of Shallow Underground Laboratory Friday, January 17, 2014 - 4:07pm For the first time, some of the world's most sensitive radiation detection systems and fundamental physics research can be seen from your desktop computer or mobile device. PNNL recently launched a virtual tour showcasing its Shallow Underground Laboratory (SUL), a facility dedicated in 2011 as part of the $224-million capability replacement project jointly

  14. Shallow (2-meter) temperature surveys in Colorado

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Zehner, Richard E.

    2012-02-01

    Citation Information: Originator: Geothermal Development Associates, Reno, Nevada Publication Date: 2012 Title: Colorado 2m Survey Edition: First Publication Information: Publication Place: Reno Nevada Publisher: Geothermal Development Associates, Reno, Nevada Description: Shallow temperature surveys are useful in early-stage geothermal exploration to delineate surface outflow zones, with the intent to identify the source of upwelling, usually a fault. Detailed descriptions of the 2-meter survey method and equipment design can be found in Coolbaugh et al. (2007) and Sladek et al. (2007), and are summarized here. The survey method was devised to measure temperature as far below the zone of solar influence as possible, have minimal equilibration time, and yet be portable enough to fit on the back of an all-terrain vehicle (ATV); Figure 2). This method utilizes a direct push technology (DPT) technique where 2.3 m long, 0.54” outer diameter hollow steel rods are pounded into the ground using a demolition hammer. Resistance temperature devices (RTD) are then inserted into the rods at 2-meter depths, and allowed to equilibrate for one hour. The temperatures are then measured and recorded, the rods pulled out of the ground, and re-used at future sites. Usually multiple rods are planted over the course of an hour, and then the sampler returns back to the first station, measures the temperatures, pulls the rods, and so on, to eliminate waiting time. At Wagon Wheel Gap, 32 rods were planted around the hot springs between June 20 and July 1, 2012. The purpose was to determine the direction of a possible upflow fault or other structure. Temperatures at 1.5m and 2m depths were measured and recorded in the attribute table of this point shapefile. Several anomalous temperatures suggest that outflow is coming from a ~N60W striking fault or shear zone that contains the quartz-fluorite-barite veins of the adjacent patented mining claims. It should be noted that temperatures at 2m

  15. Final report on decommissioning boreholes and wellsite restoration, Gulf Coast Interior Salt Domes of Mississippi

    SciTech Connect (OSTI)

    Not Available

    1989-04-01

    In 1978, eight salt domes in Texas, Louisiana, and Mississippi were identified for study as potential locations for a nuclear waste repository as part of the National Waste Terminal Storage (NWTS) program. Three domes were selected in Mississippi for ``area characterization`` phase study as follows: Lampton Dome near Columbia, Cypress Creek Dome near New Augusta, and Richton Dome near Richton. The purpose of the studies was to acquire geologic and geohydrologic information from shallow and deep drilling investigations to enable selection of sites suitable for more intensive study. Eleven deep well sites were selected for multiple-well installations to acquire information on the lithologic and hydraulic properties of regional aquifers. In 1986, the Gulf Coast salt domes were eliminated from further consideration for repository development by the selection of three candidate sites in other regions of the country. In 1987, well plugging and restoration of these deferred sites became a closeout activity. The primary objectives of this activity are to plug and abandon all wells and boreholes in accordance with state regulations, restore all drilling sites to as near original condition as feasible, and convey to landowners any wells on their property that they choose to maintain. This report describes the activities undertaken to accomplish these objectives, as outlines in Activity Plan 1--2, ``Activity Plan for Well Plugging and Site Restoration of Test Hole Sites in Mississippi.``

  16. Federal Offshore--Gulf of Mexico Natural Gas Vented and Flared...

    U.S. Energy Information Administration (EIA) Indexed Site

    Vented and Flared (Million Cubic Feet) Federal Offshore--Gulf of Mexico Natural Gas Vented ... Referring Pages: Natural Gas Vented and Flared Federal Offshore Gulf of Mexico Natural Gas ...

  17. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the ...

  18. Arms and oil: US military strategy and the Persian Gulf

    SciTech Connect (OSTI)

    McNaugher, T.L.

    1985-01-01

    In the oil-rich Persian Gulf, a region crucial to the world's security and economic health, the United States confronts major challenges to its military and diplomatic skills. The Iranian revolution, the Soviet invasion of Afghanistan, and unpredictable turbulence have contributed to declining US influence in the area. In the United States, military questions about force size and strategy have sparked controversy over the proper US role in the Gulf. In this book Thomas L. McNaugher offers a military strategy for the Gulf that seeks to balance the risks of overinvolvement against the risks of neglect. The author, a research associate in the Brookings Foreign Policy Studies program, believes that the United States must cultivate the traditional security mechanisms of the states on the Arabian Peninsula, and he encourages cooperation with allies like Great Britain and France that historically have been involved in Gulf security. He argues that the United States should focus on protecting the Gulf states from external attack and on deterring further Soviet encroachment in the region, leaving internal security largely to the states themselves. 19 figs., 13 tabs.

  19. Gulf of Mexico pipelines heading into deeper waters

    SciTech Connect (OSTI)

    True, W.R.

    1987-06-08

    Pipeline construction for Gulf of Mexico federal waters is following drilling and production operations into deeper waters, according to U.S. Department of Interior (DOI) Minerals Management Service (MMS) records. Review of MMS 5-year data for three water depth categories (0-300 ft, 300-600 ft, and deeper than 600 ft) reveals this trend in Gulf of Mexico pipeline construction. Comparisons are shown between pipeline construction applications that were approved by the MMS during this period and projects that have been reported to the MMS as completed. This article is the first of annual updates of MMS gulf pipeline data. Future installments will track construction patterns in water depths, diameter classifications, and mileage. These figures will also be evaluated in terms of pipeline-construction cost data.

  20. Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in

    Gasoline and Diesel Fuel Update (EIA)

    Mississippi (Million Cubic Feet) Mississippi (Million Cubic Feet) Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Mississippi (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 9,793 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: NGPL Production, Gaseous Equivalent Gulf of

  1. Gulf LNG, Mississippi Liquefied Natural Gas Imports from Egypt (Million

    U.S. Energy Information Administration (EIA) Indexed Site

    Cubic Feet) Egypt (Million Cubic Feet) Gulf LNG, Mississippi Liquefied Natural Gas Imports from Egypt (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,954 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Gulf LNG, MS LNG Imports from Egypt

  2. Gulf LNG, Mississippi Liquefied Natural Gas Imports from Trinidad and

    U.S. Energy Information Administration (EIA) Indexed Site

    Tobago (Million Cubic Feet) Trinidad and Tobago (Million Cubic Feet) Gulf LNG, Mississippi Liquefied Natural Gas Imports from Trinidad and Tobago (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,820 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Gulf LNG, MS LNG

  3. Thermal shallow water models of geostrophic turbulence in Jovian atmospheres

    SciTech Connect (OSTI)

    Warneford, Emma S. Dellar, Paul J.

    2014-01-15

    Conventional shallow water theory successfully reproduces many key features of the Jovian atmosphere: a mixture of coherent vortices and stable, large-scale, zonal jets whose amplitude decreases with distance from the equator. However, both freely decaying and forced-dissipative simulations of the shallow water equations in Jovian parameter regimes invariably yield retrograde equatorial jets, while Jupiter itself has a strong prograde equatorial jet. Simulations by Scott and Polvani [Equatorial superrotation in shallow atmospheres, Geophys. Res. Lett. 35, L24202 (2008)] have produced prograde equatorial jets through the addition of a model for radiative relaxation in the shallow water height equation. However, their model does not conserve mass or momentum in the active layer, and produces mid-latitude jets much weaker than the equatorial jet. We present the thermal shallow water equations as an alternative model for Jovian atmospheres. These equations permit horizontal variations in the thermodynamic properties of the fluid within the active layer. We incorporate a radiative relaxation term in the separate temperature equation, leaving the mass and momentum conservation equations untouched. Simulations of this model in the Jovian regime yield a strong prograde equatorial jet, and larger amplitude mid-latitude jets than the Scott and Polvani model. For both models, the slope of the non-zonal energy spectra is consistent with the classic Kolmogorov scaling, and the slope of the zonal energy spectra is consistent with the much steeper spectrum observed for Jupiter. We also perform simulations of the thermal shallow water equations for Neptunian parameter values, with a radiative relaxation time scale calculated for the same 25 mbar pressure level we used for Jupiter. These Neptunian simulations reproduce the broad, retrograde equatorial jet and prograde mid-latitude jets seen in observations. The much longer radiative time scale for the colder planet Neptune

  4. ARM - Field Campaign - Holistic Interactions of Shallow Clouds, Aerosols,

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    and Land-Ecosystems (HI-SCALE): Nanoparticle Composition and Precursors Nanoparticle Composition and Precursors Related Campaigns Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) 2016.04.24, Fast, AAF Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE): Nanoparticle Composition and Precursors 2016.08.21 - 2016.09.27 Lead

  5. Geological evaluation of Gulf Coast salt domes: overall assessment of the Gulf Interior Region

    SciTech Connect (OSTI)

    1981-10-01

    The three major phases in site characterization and selection are regional studies, area studies, and location studies. This report characterizes regional geologic aspects of the Gulf Coast salt dome basins. It includes general information from published sources on the regional geology; the tectonic, domal, and hydrologic stability; and a brief description the salt domes to be investigated. After a screening exercise, eight domes were chosen for further characterization: Keechi, Oakwood, and Palestine Domes in Texas; Vacherie and Rayburn's domes in North Louisiana; and Cypress Creek and Richton domes in Mississippi. A general description of each, maps of the location, property ownership, and surface geology, and a geologic cross section were presented for each dome.

  6. ARM - Field Campaign - LASIC: Layered Atlantic Smoke Interactions with

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Clouds govCampaignsLASIC: Layered Atlantic Smoke Interactions with Clouds Campaign Links Science Plan Backgrounder Baseline Instruments and Data Plots Total Carbon Column Observing Network (TCCON) Ascension Island Site TCCON Ascension Data News & Press ARM Data Discovery Browse Data Related Campaigns LASIC: Layered Atlantic Smoke Interactions with Clouds - Cloud Radar at St. Helena 2017.08.01, Zuidema, AMF LASIC: Layered Atlantic Smoke Interactions with Clouds - Supplemental Measurements

  7. Layered Atlantic Smoke Interactions with Clouds (LASIC) Science Plan

    Office of Scientific and Technical Information (OSTI)

    (Program Document) | SciTech Connect Layered Atlantic Smoke Interactions with Clouds (LASIC) Science Plan Citation Details In-Document Search Title: Layered Atlantic Smoke Interactions with Clouds (LASIC) Science Plan Southern Africa is the world's largest emitter of biomass-burning (BB) aerosols. Their westward transport over the remote southeast Atlantic Ocean colocates some of the largest atmospheric loadings of absorbing aerosol with the least examined of the Earth's major subtropical

  8. New Jersey: Atlantic City Jitneys Running on Natural Gas | Department...

    Broader source: Energy.gov (indexed) [DOE]

    ... and diesel elsewhere. | Photo courtesy of Clean Energy In the Face of Hurricane Sandy, CNG Vehicles Shuttle People to Safety New Jersey: Atlantic City Jitneys Running on Natural ...

  9. Sandia, the Atlantic Council, and NM Water Resource Research...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    the Atlantic Council, and NM Water Resource Research Institute Sponsor Roundtable on Western Water Scarcity - Sandia Energy Energy Search Icon Sandia Home Locations Contact Us ...

  10. Deep seismic reflection study of a passive margin, southeatern Gulf of Guinea

    SciTech Connect (OSTI)

    Rosendahl, B.R.; Groschel-Becker, H.; Meyers, J.; Kaczmarick, K. )

    1991-04-01

    A large grid of deep-imaging, marine seismic reflection data has been acquired in the Gulf of Guinea. The data show that the architecture of old Atlantic igneous crust and upper mantle is highly variable, particularly if reflection Moho is taken to be the base of the crust. Most abrupt changes in oceanic basement thickness and depth to Moho can be correlated with fracture-zone crossings, but significant variations can occur between fracture zones and along flow lines, especially near the ocean-continent transition. Reflection Moho is usually continuous from ocean to continent and does not display any systematic changes in character, continuity, or reflection time even beneath the innermost shelf areas. There are several varieties of intracrustal reflectors, including those that mark different levels within the oceanic gabbroic complex and events that diagonally link the top of oceanic seismic layer 2 and Moho. Different types of sub-Moho dipping reflections also are observed. Some are associated with fracture zones, some originate within continental crust and dip toward the ocean, dissecting Moho without offsetting it, and still others originate at the oceanic Moho and dip toward the continent. The transition from oceanic to continental crust is generally quite sharp north of lat 1{degree}S, but the exact nature of the transition ranges from rift-block geology to abrupt juxtapositions of oceanic and continental crustal rocks. South of about lat 1{degree}S, the transition to continental crust is more gradual, involving a progressive thickening of oceanic crust toward land. This difference may relate to the occurrence of much more oblique initial rifting north of 1{degree}S.

  11. Mid-Atlantic Regional Wind Energy Institute

    SciTech Connect (OSTI)

    Courtney Lane

    2011-12-20

    As the Department of Energy stated in its 20% Wind Energy by 2030 report, there will need to be enhanced outreach efforts on a national, state, regional, and local level to communicate wind development opportunities, benefits and challenges to a diverse set of stakeholders. To help address this need, PennFuture was awarded funding to create the Mid-Atlantic Regional Wind Energy Institute to provide general education and outreach on wind energy development across Maryland, Virginia, Delaware, Pennsylvania and West Virginia. Over the course of the two-year grant period, PennFuture used its expertise on wind energy policy and development in Pennsylvania and expanded it to other states in the Mid-Atlantic region. PennFuture accomplished this through reaching out and establishing connections with policy makers, local environmental groups, health and economic development organizations, and educational institutions and wind energy developers throughout the Mid-Atlantic region. PennFuture conducted two regional wind educational forums that brought together wind industry representatives and public interest organizations from across the region to discuss and address wind development in the Mid-Atlantic region. PennFuture developed the agenda and speakers in collaboration with experts on the ground in each state to help determine the critical issue to wind energy in each location. The sessions focused on topics ranging from the basics of wind development; model ordinance and tax issues; anti-wind arguments and counter points; wildlife issues and coalition building. In addition to in-person events, PennFuture held three webinars on (1) Generating Jobs with Wind Energy; (2) Reviving American Manufacturing with Wind Power; and (3) Wind and Transmission. PennFuture also created a web page for the institute (http://www.midatlanticwind.org) that contains an online database of fact sheets, research reports, sample advocacy letters, top anti-wind claims and information on how to

  12. Development Practices for Optimized MEOR in Shallow Heavy Oil Reservoirs

    SciTech Connect (OSTI)

    Shari Dunn-Norman

    2006-09-30

    The goal of this project is to demonstrate an economically viable and sustainable method of producing shallow heavy oil reserves in southwest Missouri and southeast Kansas using a combination of microbial enhanced oil recovery (MEOR) and hydraulic fracturing of vertical wells.

  13. Frost-protected shallow foundations. Phase 2. Final report

    SciTech Connect (OSTI)

    Crandell, J.H.; Lund, E.M.; Bruen, M.G.; Nowak, M.S.

    1994-06-01

    Frost-protected shallow foundations (FPSFs) offer a proven technology designed to substantially lower construction costs in colder climates, enhancing housing affordability for families in many parts of the United States. This document provides step-by-step procedures to assist building professionals in designing and laying a slab-on-grade FPSF.

  14. Proceedings of the Gulf Coast Cogeneration Association spring conference

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    This book contains the proceedings of the Gulf Coast Cogeneration Association cogeneration conference held March 23, 1993. The topics of the papers contained in the conference proceedings include planning for additional capacity by electric utilities, fuel selection, fuel supply, competition and market pressures, power transmission and access to power transmission facilities, case studies of successful cogeneration projects.

  15. SOLUTION MINING IN SALT DOMES OF THE GULF COAST EMBAYMENT

    SciTech Connect (OSTI)

    Griswold, G. B.

    1981-02-01

    Following a description of salt resources in the salt domes of the gulf coast embayment, mining, particularly solution mining, is described. A scenario is constructed which could lead to release of radioactive waste stored in a salt dome via inadvertent solution mining and the consequences of this scenario are analyzed.

  16. North Central","West North Central","South Atlantic","East South...

    U.S. Energy Information Administration (EIA) Indexed Site

    ...heast",,"Midwest",,"South",,,"West" ,,"New England","Middle Atlantic","East North Central","West North Central","South Atlantic","East South Central","West South ...

  17. Characteristics of produced water discharged to the Gulf of Mexico hypoxiczone.

    SciTech Connect (OSTI)

    Veil, J. A.; Kimmell, T. A.; Rechner, A. C.

    2005-08-24

    Each summer, an area of low dissolved oxygen (the hypoxic zone) forms in the shallow nearshore Gulf of Mexico waters from the Mississippi River Delta westward to near the Texas/Louisiana border. Most scientists believe that the leading contributor to the hypoxic zone is input of nutrients (primarily nitrogen and phosphorus compounds) from the Mississippi and Atchafalaya Rivers. The nutrients stimulate growth of phytoplankton. As the phytoplankton subsequently die, they fall to the bottom waters where they are decomposed by microorganisms. The decomposition process consumes oxygen in the bottom waters to create hypoxic conditions. Sources other than the two rivers mentioned above may also contribute significant quantities of oxygen-demanding pollutants. One very visible potential source is the hundreds of offshore oil and gas platforms located within or near the hypoxic zone. Many of these platforms discharge varying volumes of produced water. However, only limited data characterizing oxygen demand and nutrient concentration and loading from offshore produced water discharges have been collected. No comprehensive and coordinated oxygen demand data exist for produced water discharges in the Gulf of Mexico. This report describes the results of a program to sample 50 offshore oil and gas platforms located within the Gulf of Mexico hypoxic zone. The program was conducted in response to a requirement in the U.S. Environmental Protection Agency (EPA) general National Pollutant Discharge Elimination System (NPDES) permit for offshore oil and gas discharges. EPA requested information on the amount of oxygen-demanding substances contained in the produced water discharges. This information is needed as inputs to several water quality models that EPA intends to run to estimate the relative contributions of the produced water discharges to the occurrence of the hypoxic zone. Sixteen platforms were sampled 3 times each at approximately one-month intervals to give an estimate of

  18. Chemistry of western Atlantic precipitation at the mid-Atlantic coast and on Bermuda

    SciTech Connect (OSTI)

    Church, T.M.; Galloway, J.N.; Jickells, T.D.; Knap, A.H.

    1982-12-20

    The major ion composition of western Atlantic precipitation falling at the coast of eastern United States (Lewes, Delaware) and at the Sargasso Sea (Bermuda Island) has been measured by event year round (May 1980 to April 1981) to assess the influence of the ocean on precipitation from storms that leave the North American continent and transit over the western Atlantic. Particular attention is paid to the oceanic influence on the sulfur and nitrogen precursors of acid rains. While sea salt contributes over half (by weight) of the salt in precipitation at the coast and over three quarters at Bermuda, most of the sulfate (90% at the coast and 50% at Bermuda) is in excess to sea salt sodium. Since Bermuda precipitation is still acidified some factor of 8 relative to pure equilibrium with atmospheric carbon dioxide, this strong acidity has been attributed to the long-range transport sulfur and nitrogen precursors in the marine troposphere during which the sulfuric acid component dominates. A sulfur budget for the western Atlantic troposphere shows that of the total amount of sulfur exported from the North American continent (>3.9 TgS/yr) less than 3% (0.1 TgS/yr) is from natural sources, the rest being from anthropogenic emissions. If Bermuda precipitation is taken as typical of wet fallout of sulfur over the western Atlantic, then no more than half (<2 TgS/yr) of North American excess (nonsea salt) sulfur export falls out to the western Atlantic and at least half undergoes potential transoceanic transport as acid rain precursors to the east of Bermuda.

  19. Chemistry of Western Atlantic Precipitation at the Mid-Atlantic Coast and on Bermuda

    SciTech Connect (OSTI)

    Church, T.M.; Galloway, J.N.; Jickells, T.D.; Knap, A.H.

    1982-12-20

    The major ion composition of western Atlantic precipitation falling at the coast of eastern United States (Lewes, Delaware) and at the Sargasso Sea (Bermuda Island) has been measured by event year round (May 1980 to April 1981) to assess the influence of the ocean on precipitation from storms that leave the North American continent and transit over the western Atlantic. Particular attention is paid to the oceanic influence on the sulfur and nitrogen precursors of 'acid rains.' While sea salt contributes over half (by weight) of the salt in precipitation at the coast and over three quarters at Bermuda, most of the sulfate (90% at the coast and 50% at Bermuda) is in excess to sea salt sodium. Since Bermuda precipitation is still acidified some factor of 8 relative to pure equilibrium with atmospheric carbon dioxide, this strong acidity has been attributed to the long-range transport sulfur and nitrogen precursors in the marine troposphere during which the sulfuric acid component dominates. A sulfur budget for the western Atlantic troposphere shows that of the total amount of sulfur exported from the North American continuent (>3.9 TgS/yr) less than 3% (0.1 TgS/yr) is from natural sources, the rest being from anthropogenic emissions. If Bermuda precipitation is taken as typical of wet fallout of sulfur over the western Atlantic, then no more than half (<2 TgS/yr) of north American excess (nonsea salt) sulfur export falls out to the western Atlantic and at least half undergoes potential transoceanic tranport as acid rain precursors to the east of Bermuda.

  20. Effect of dissolved CO2 on a shallow groundwater system: A controlled...

    Office of Scientific and Technical Information (OSTI)

    Effect of dissolved CO2 on a shallow groundwater system: A controlled release experiment Citation Details In-Document Search Title: Effect of dissolved CO2 on a shallow groundwater ...

  1. Occurrence of gas hydrate in Oligocene Frio sand: Alaminos Canyon Block 818: Northern Gulf of Mexico

    SciTech Connect (OSTI)

    Boswell, R.D.; Shelander, D.; Lee, M.; Latham, T.; Collett, T.; Guerin, G.; Moridis, G.; Reagan, M.; Goldberg, D.

    2009-07-15

    A unique set of high-quality downhole shallow subsurface well log data combined with industry standard 3D seismic data from the Alaminos Canyon area has enabled the first detailed description of a concentrated gas hydrate accumulation within sand in the Gulf of Mexico. The gas hydrate occurs within very fine grained, immature volcaniclastic sands of the Oligocene Frio sand. Analysis of well data acquired from the Alaminos Canyon Block 818 No.1 ('Tigershark') well shows a total gas hydrate occurrence 13 m thick, with inferred gas hydrate saturation as high as 80% of sediment pore space. Average porosity in the reservoir is estimated from log data at approximately 42%. Permeability in the absence of gas hydrates, as revealed from the analysis of core samples retrieved from the well, ranges from 600 to 1500 millidarcies. The 3-D seismic data reveals a strong reflector consistent with significant increase in acoustic velocities that correlates with the top of the gas-hydrate-bearing sand. This reflector extends across an area of approximately 0.8 km{sup 2} and delineates the minimal probable extent of the gas hydrate accumulation. The base of the inferred gas-hydrate zone also correlates well with a very strong seismic reflector that indicates transition into units of significantly reduced acoustic velocity. Seismic inversion analyses indicate uniformly high gas-hydrate saturations throughout the region where the Frio sand exists within the gas hydrate stability zone. Numerical modeling of the potential production of natural gas from the interpreted accumulation indicates serious challenges for depressurization-based production in settings with strong potential pressure support from extensive underlying aquifers.

  2. Cosmic rays muon flux measurements at Belgrade shallow underground laboratory

    SciTech Connect (OSTI)

    Veselinovi?, N. Dragi?, A. Maleti?, D. Jokovi?, D. Savi?, M. Banjanac, R. Udovi?i?, V. Ani?in, I.

    2015-02-24

    The Belgrade underground laboratory is a shallow underground one, at 25 meters of water equivalent. It is dedicated to low-background spectroscopy and cosmic rays measurement. Its uniqueness is that it is composed of two parts, one above ground, the other bellow with identical sets of detectors and analyzing electronics thus creating opportunity to monitor simultaneously muon flux and ambient radiation. We investigate the possibility of utilizing measurements at the shallow depth for the study of muons, processes to which these muons are sensitive and processes induced by cosmic rays muons. For this purpose a series of simulations of muon generation and propagation is done, based on the CORSIKA air shower simulation package and GEANT4. Results show good agreement with other laboratories and cosmic rays stations.

  3. Observations of the first aerosol indirect effect in shallow cumuli

    SciTech Connect (OSTI)

    Berg, Larry K.; Berkowitz, Carl M.; Barnard, James C.; Senum, Gunar; Springston, Stephen R.

    2011-02-08

    Data from the Cumulus Humilis Aerosol Processing Study (CHAPS) are used to estimate the impact of both aerosol indirect effects and cloud dynamics on the microphysical and optical properties of shallow cumuli observed in the vicinity of Oklahoma City, Oklahoma. Not surprisingly, we find that the amount of light scattered by the clouds is dominated by their liquid water content (LWC), which in turn is driven by cloud dynamics. However, removing the effect of cloud dynamics by examining the scattering normalized by LWC shows a strong sensitivity of scattering to pollutant loading. These results suggest that even moderately sized cities, like Oklahoma City, can have a measureable impact on the optical properties of shallow cumuli.

  4. Optical lattice clock with atoms confined in a shallow trap

    SciTech Connect (OSTI)

    Lemonde, Pierre; Wolf, Peter

    2005-09-15

    We study the trap depth requirement for the realization of an optical clock using atoms confined in a lattice. We show that site-to-site tunneling leads to a residual sensitivity to the atom dynamics hence requiring large depths [(50-100)E{sub r} for Sr] to avoid any frequency shift or line broadening of the atomic transition at the 10{sup -17}-10{sup -18} level. Such large depths and the corresponding laser power may, however, lead to difficulties (e.g., higher-order light shifts, two-photon ionization, technical difficulties) and therefore one would like to operate the clock in much shallower traps. To circumvent this problem we propose the use of an accelerated lattice. Acceleration lifts the degeneracy between adjacents potential wells which strongly inhibits tunneling. We show that using the Earth's gravity, much shallower traps (down to 5E{sub r} for Sr) can be used for the same accuracy goal.

  5. Hydrogeologic Characterization Data from the Area 5 Shallow Soil Trenches

    SciTech Connect (OSTI)

    Bechtel Nevada Geotechnical Sciences

    2005-07-01

    Four shallow soil trenches excavated in the vicinity of the Area 5 Radioactive Waste Management Site at the Nevada Test Site were sampled in 1994 to characterize important physical and hydrologic parameters which can affect the movement of water in the upper few meters of undisturbed alluvium. This report describes the field collection of geologic samples and the results of laboratory analyses made on these samples. This report provides only qualitative analyses and preliminary interpretations.

  6. Shallow-deep transitions of impurities in semiconductor nanostructures

    SciTech Connect (OSTI)

    Ranjan, V.; Singh, Vijay A.

    2001-06-01

    We study the hydrogenic impurity in a quantum dot (QD). We employ the effective mass theory with realistic barrier and variable effective mass. The model is simple, but it predicts features not previously observed. We observe that the shallow hydrogenic impurity becomes deeper as the dot size (R) is reduced and with further reduction of the dot size it becomes shallow and at times resonant with the conduction band. Such a shallow-deep (SHADE) transition is investigated and a critical size in terms of the impurity Bohr radius (a{sub I}{sup *}) is identified. A relevant aspect of a QD is reduction in the dielectric constant, {epsilon}, as its size decreases. Employing a size dependent {epsilon}(R), we demonstrate that the impurity level gets exceptionally deep in systems for which a{sub I}{sup *} is small. Thus, carrier {open_quotes}freeze out{close_quotes} is a distinct possibility in a wide class of materials such as ZnS, CdS, etc. The behavior of the impurity level with dot size is understood on the basis of simple scaling arguments. Calculations are presented for III{endash}V (AlGaAs) and II{endash}VI (ZnS, CdS) QDs. We speculate that the deepening of the impurity level is related to the high luminescence efficiency of QDs. It is suggested that quantum dots offer an opportunity for defect engineering. {copyright} 2001 American Institute of Physics.

  7. Cenozoic climates: evidence from the North Atlantic

    SciTech Connect (OSTI)

    Berggren, W.A.

    1985-01-01

    Cenozoic biostratigraphy and climatology of the North Atlantic and adjacent land areas reflects the continuing fragmentation of Eurasia and concomitant changes on ocean-continent geometry. A latitudinal (zonal) Mesozoic circulation pattern evolved into a predominantly longitudinal (meridional) pattern during the Cenozoic in which the development of oceanic gateways and barriers gradually decreased the efficiency of poleward heat transfer resulting in the progressive climatic change which has taken place over the past 50 million years. Cenozoic distributional data from the North Atlantic and adjacent land areas will be reviewed from the following fields: a) terrestrial vertebrates and floras: b) marine calcareous microplankton and benthic foraminifera; c) other marine invertebrates. Available data suggests that the present climate in the northern hemisphere has resulted from a gradual, but inexorable, strengthening of latitudinal and vertical temperature gradients punctuated by several brief intervals of accelerated change. The absence of evidence for northern hemisphere polar glaciation prior to the late Neogene does not preclude seasonal cooling near the freezing point in post-Eocene time. Evidence for early Paleogene cold climates is not reflected in the fossil record.

  8. A story of revival: United Coal's East Gulf preparation plant

    SciTech Connect (OSTI)

    2009-04-15

    Some say beauty is in the eye of the beholder, but when United Coal purchased the assets of White Mountain Mining in late 2005, the attractiveness of the acquired assets did not require much debate. Whilst the Pocahontas Coal reserves included in the acquisition were very desirable for producing coke, the East Gulf preparation plant was in poor condition. In order to minimize cost, maintenance and manpower whilst increasing production, the circuits in the existing plant were modified and the Barvoy Vessel was replaced with a single, pump fed, 30-inch Krebs HM cyclone. A spiral circuit was added as were screen bowl centrifuges. Finally the plant was given a structural upgrade and a new siding was installed. With the East Gulf restoration project complete, the United Coal Co. (UCC) and Pocahontas Coal are now considering expanding the Affinity complex. 2 figs., 6 photos.

  9. MHK Projects/Gulf of Mexico Ocean test | Open Energy Information

    Open Energy Info (EERE)

    Gulf of Mexico Ocean test < MHK Projects Jump to: navigation, search << Return to the MHK database homepage Loading map... "minzoom":false,"mappingservice":"googlemaps3","type":"R...

  10. Impact of Tropical Cyclones on Gulf of Mexico Crude Oil and Natural Gas Production, The

    Reports and Publications (EIA)

    2006-01-01

    This is a special analysis report on hurricanes and their effects on oil and natural gas production in the Gulf of Mexico region.

  11. Federal Offshore--Gulf of Mexico Natural Gas Number of Gas and...

    U.S. Energy Information Administration (EIA) Indexed Site

    Wells (Number of Elements) Federal Offshore--Gulf of Mexico Natural Gas Number of ... Number of Producing Gas Wells Number of Producing Gas Wells (Summary) Federal Offshore ...

  12. Location of Natural Gas Production Facilities in the Gulf of Mexico

    U.S. Energy Information Administration (EIA) Indexed Site

    Location of Natural Gas Production Facilities in the Gulf of Mexico 2014 U.S. Energy Information Administration | Natural Gas Annual 102 1,179,714 4.6 Gulf of Mexico - Natural Gas 2011 Million Cu. Feet Percent of National Total Dry Production: Table S12. Summary statistics for natural gas - Gulf of Mexico, 2010-2014 Gulf of Mexico - Table S12 Federal Offshore Production trillion cubic feet 0 1 2 3 4 5 6 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

  13. Biggest oil spill tackled in gulf amid war, soft market

    SciTech Connect (OSTI)

    Not Available

    1991-02-04

    Industry is scrambling to cope with history's biggest oil spill against the backdrop of a Persian Gulf war and a softening oil market. U.S. and Saudi Arabian officials accused Iraq of unleashing an oil spill of about 11 million bbl into the Persian Gulf off Kuwait last week by releasing crude from the giant Sea Island tanker loading terminal at Mina al Ahmadi. Smart bombs delivered by U.S. aircraft hit two onshore tank farm manifold stations, cutting off the terminal's source of oil flow Jan. 26. A small volume of oil was still leaking from 13 mile feeder pipelines to the terminal at presstime. Press reports quoted U.S. military and Saudi officials as estimating the slick at 35 miles long and 10 miles wide but breaking up in some areas late last week. Meantime, Iraq reportedly opened the valves at its Mina al Bakr marine terminal at Fao to spill crude into the northern gulf. BBC reported significant volumes of crude in the water off Fao 24 hr after the terminal valves were opened. Mina al Bakr is a considerably smaller terminal than Sea Island, suggesting that the resulting flow of oil would be smaller than that at Sea Island.

  14. 2003 Idaho National Engineering and Environmental Laboratory Shallow Injection Well Verification and Status Report

    SciTech Connect (OSTI)

    Lewis, M.G.

    2003-08-21

    A detailed verification of the shallow injection well inventory for Bechtel BWXT Idaho, LLC and Argonne National Laboratory-West-operated facilities was performed in 2003. Fourteen wells, or 20%, were randomly selected for the verification. This report provides updated information on the 14 shallow injection wells that were randomly selected for the 2003 verification. Where applicable, additional information is provided for shallow injection wells that were not selected for the 2003 verification. This updated information was incorporated into the 2003 Shallow Injection Wells Inventory, Sixty-eight wells were removed from the 2003 Shallow Injection Well Inventory.

  15. 2003 Idaho National Engineering and Environmental Laboratory Shallow Injection Well Verification and Status Report

    SciTech Connect (OSTI)

    Mike Lewis

    2003-08-01

    A detailed verification of the shallow injection well inventory for Bechtel BWXT Idaho, LLC and Argonne National Laboratory-West-operated facilities was performed in 2003. Fourteen wells, or 20%, were randomly selected for the verification. This report provides updated information on the 14 shallow injection wells that were randomly selected for the 2003 verification. Where applicable, additional information is provided for shallow injection wells that were not selected for the 2003 verification. This updated information was incorporated into the 2003 Shallow Injection Wells Inventory. Sixty-eight wells were removed from the 2003 Shallow Injection Well Inventory.

  16. Outer Continental Shelf oil and gas activities in the South Atlantic (US) and their onshore impacts: a summary report, July 1980. Update 1, February 1981

    SciTech Connect (OSTI)

    Havran, K.J.

    1981-02-01

    Lease Sale 43, in the Southeast Georgia Embayment, was the first lease sale to be held in the South Atlantic. Two additional sales are scheduled between now and 1985: Sale 56 is scheduled for August 1981 and Sale 78, for January 1984. All leases from Sale 43 remain active, but no drilling has taken place since the last of six dry holes was plugged and abandoned. There are no additional plans for drilling on Sale 43 leases in the immediate future. Future exploration may shift away from previous Sale 43 leased tracts to deep-water areas after Sale 56. One hundred thirty of the 286 proposed Sale 56 tracts are in deep-water. The geologic conditions in the deep-water areas are more favorable for hydrocarbon accumulation than those under shallower waters. Structures that may provide trapping mechanisms have been shown to exist in the area. Because leases in deep-water areas take longer and are more costly to explore and develop than those in areas of shallower water, industry consensus is that longer primary lease terms may be required and some delays in acquiring rigs may be experienced. The Sale 43 area appears to be a region of relatively low hydrocarbon-bearing potential. However, the Bureau of Land Management's Intergovernmental Planning Program is preparing the necessary Regional Transportation Management Plan for the entire South Atlantic OCS Region. Nearly all the support facilities associated with Sale 43 have been removed or converted to other uses. Temporary support facilities are likely to be reactivated only if Sale 56 results in further exploration of the South Atlantic OCS.

  17. Atlantic multi-decadal oscillation covaries with Agulhas leakage

    SciTech Connect (OSTI)

    Biastoch, Arne; Durgadoo, Jonathan V.; Morrison, Adele K.; van Sebille, Erik; Weijer, Wilbert; Griffies, Stephen M.

    2015-12-10

    The interoceanic transfer of seawater between the Indian Ocean and the Atlantic, ‘Agulhas leakage’, forms a choke point for the overturning circulation in the global ocean. Here, by combining output from a series of high-resolution ocean and climate models with in situ and satellite observations, we construct a time series of Agulhas leakage for the period 1870–2014. The time series demonstrates the impact of Southern Hemisphere westerlies on decadal timescales. Agulhas leakage shows a correlation with the Atlantic Multi-decadal Oscillation on multi-decadal timescales; the former leading by 15 years. Lastly, this is relevant for climate in the North Atlantic.

  18. Atlantic Hurricane Surge Response to Geoengineering

    SciTech Connect (OSTI)

    Moore, John; Grinsted, Aslak; Guo, Xiaoran; Yu, Xiaoyong; Jevrejeva, Svetlana; Rinke, Annette; Cui, Xuefeng; Kravitz, Benjamin S.; Lenton , Andrew; Watanabe, Shingo; Ji, Duoying

    2015-09-29

    Devastating Atlantic hurricanes are relatively rare events. However their intensity and frequency in a warming world may rapidly increase by a factor of 2-7 for each degree of increase in mean global temperature. Geoengineering by stratospheric sulphate aerosol injection cools the tropics relative to the polar regions, including the hurricane main development region in the Atlantic, suggesting that geoengineering may be an effective method of controlling hurricanes. We examine this hypothesis using 8 Earth System Model simulations of climate under the GeoMIP G3 and G4 schemes that use stratospheric aerosols to reduce the radiative forcing under the RCP4.5 scenario. Global mean temperature increases are greatly ameliorated by geoengineering, and tropical temperature increases are at most half of those in RCP4.5, but sulphate injection would have to double between 2020 and 2070 to balance RCP 4.5 to nearly 10 Tg SO2 yr-1, with consequent implications for damage to stratospheric ozone. We project changes in storm frequencies using a temperature-dependent Generalized Extreme Value statistical model calibrated by historical storm surges from 1923 and observed temperatures. The numbers of storm surge events as big as the one that caused the 2005 Katrina hurricane are reduced by about 50% compared with no geoengineering, but this is only marginally statistically significant. However, when sea level rise differences at 2070 between RCP4.5 and geoengineering are factored in to coastal flood risk, we find that expected flood levels are reduced by about 40 cm for 5 year events and perhaps halved for 50 year surges.

  19. Engineering shallow spins in diamond with nitrogen delta-doping

    SciTech Connect (OSTI)

    Ohno, Kenichi; Joseph Heremans, F.; Bassett, Lee C.; Myers, Bryan A.; Toyli, David M.; Bleszynski Jayich, Ania C.; Palmstrom, Christopher J.; Awschalom, David D.

    2012-08-20

    We demonstrate nanometer-precision depth control of nitrogen-vacancy (NV) center creation near the surface of synthetic diamond using an in situ nitrogen delta-doping technique during plasma-enhanced chemical vapor deposition. Despite their proximity to the surface, doped NV centers with depths (d) ranging from 5 to 100 nm display long spin coherence times, T{sub 2} > 100 {mu}s at d = 5 nm and T{sub 2} > 600 {mu}s at d {>=} 50 nm. The consistently long spin coherence observed in such shallow NV centers enables applications such as atomic-scale external spin sensing and hybrid quantum architectures.

  20. Category:Atlantic City, NJ | Open Energy Information

    Open Energy Info (EERE)

    16 files are in this category, out of 16 total. SVFullServiceRestaurant Atlantic City NJ Public Service Elec & Gas Co.png SVFullServiceRestauran... 63 KB SVMidriseApartment...

  1. Biodiversity Research Institute Mid-Atlantic Baseline Study Webinar

    Broader source: Energy.gov [DOE]

    Carried out by the Biodiversity Research Institute (BRI) and funded by the U.S. Department of Energy Wind and Water Power Technology Office and other partners, the goal of the Mid-Atlantic Baseline...

  2. ARM - Field Campaign - LASIC: Layered Atlantic Smoke Interactions with

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Clouds - Supplemental Measurements Supplemental Measurements Related Campaigns LASIC: Layered Atlantic Smoke Interactions with Clouds 2016.06.01, Zuidema, AMF Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : LASIC: Layered Atlantic Smoke Interactions with Clouds - Supplemental Measurements 2016.06.01 - 2017.05.31 Lead Scientist : Paquita Zuidema Abstract Supplementary measurements are desired for the LASIC campaign to properly

  3. Stantec Investigates Bat Activity in Atlantic and Great Lakes Offshore

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Regions | Department of Energy Stantec Investigates Bat Activity in Atlantic and Great Lakes Offshore Regions Stantec Investigates Bat Activity in Atlantic and Great Lakes Offshore Regions October 1, 2013 - 1:41pm Addthis 2012 detector deployment at Matinicus Rock Light Station located 18 miles off the coast of Maine. Photo by Stantec 2012 detector deployment at Matinicus Rock Light Station located 18 miles off the coast of Maine. Photo by Stantec This is an excerpt from the Third Quarter

  4. A multidiscipline study offshore Texas, Gulf of Mexico

    SciTech Connect (OSTI)

    Land, J.P.; Curtis, C.E. ); Bird, D.A. ); Behrman, R.G.; Jamison, L.A.

    1993-09-01

    In a 500 mi[sup 2] area of the Gulf of Mexico off the Texas coast, we closely examined geologic, gravity, magnetic, seismic, and surface geochemical data and produced an integrated interpretation in an effort to better understand the information contribution of each method and to attempt to improve the visualization of the physical makeup of the subsurface, thereby increasing exploration efficiency in the region. The various data are presented in profile and contour form along with the integrated interpretation and a discussion of survey parameters, procedures, results and conclusions.

  5. Effect of dissolved CO2 on a shallow groundwater system: A controlled...

    Office of Scientific and Technical Information (OSTI)

    Effect of dissolved CO2 on a shallow groundwater system: A controlled release experiment ... Country of Publication: United States Language: English Subject: 54 ENVIRONMENTAL ...

  6. The Role of Shallow Cloud Moistening in MJO and Non-MJO Convective...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    to quantify bulk shallow cloud moistening through evaporation of condensed water using a simple method based on observations of liquid water path, cloud depth and temporal...

  7. Horizontal-well pilot waterflood tests shallow, abandoned field

    SciTech Connect (OSTI)

    McAlpine, J.L. ); Joshi, S.D. )

    1991-08-05

    This paper reports on the suitability of using horizontal wells in a waterflood of shallow, partially depleted sands which will be tested in the Jennings field in Oklahoma. The vertical wells drilled in the Jennings field intersect several well-known formations such as Red Fork, Misner, and Bartlesville sand. Most of these formations have been produced over a number of years, and presently no wells are producing in the field. In the 1940s, 1950s, and 1960s, wells were drilled on 10-acre spacing, and the last well was plugged in 1961. The field was produced only on primary production and produced approximately 1 million bbl of oil. Because the field was not waterflooded, a large potential exists to produce from the field using secondary methods. To improve the economics for the secondary process, a combination of horizontal and vertical wells was considered.

  8. Subsidence vulnerability in shallow room-and-pillar mines

    SciTech Connect (OSTI)

    Missavage, R.

    1985-07-01

    Concern over mining-related subsidence is inhibiting the development of surface land uses in previously mined areas and is constraining the recovery of coal resources in areas with established land uses that might be impacted by subsequent subsidence. The determination of subsidence vulnerability of mined-out areas (especially abandoned mine areas) can be a useful tool in the design and location of surface structures. A model has been developed for assessing subsidence vulnerability in shallow room-and-pillar mines based on the flexural rigidity and strength characteristics of the overlying strata. The model does not predict the subsidence profile or when the subsidence will occur. It only predicts those areas that are likely to subside. This paper briefly describes the model and its testing.

  9. Shallow drilling in the Salton Sea region: The thermal anomaly

    SciTech Connect (OSTI)

    Newmark, R.L.; Kasameyer, P.W.; Younker, L.W.

    1988-11-10

    During two shallow thermal drilling programs, thermal measurements were obtained in 56 shallow (76.2 m) and one intermediate (457.3 m) depth holes located both onshore and offshore along the southern margin of the Salton Sea in the Imperial Valley, California. These data complete the surficial coverage of the thermal anomaly, revealing the shape and lateral extent of the hydrothermal system. The thermal data show the region of high thermal gradients to extend only a short distance offshore to the north of the Quaternary volcanic domes which are exposed along the southern shore of the Salton Sea. The central thermal anomaly has an arcuate shape, about 4 km wide and 12 km long. Across the center of the anomaly, the transition zone between locations exhibiting high thermal gradients and those exhibiting regional thermal gradients is quite narrow. Thermal gradients rise from near regional (0.09 /sup 0/C/m) to extreme (0.83 /sup 0/C/m) in only 2.4 km. The heat flow in the central part of the anomaly is greater than 600 mW/m/sup 2/ and in the two local anomalies exceeds 1200 mW/m/sup 2/. The shape of the thermal anomaly is asymmetric with respect to the line of volcanoes previously thought to represent the center of the field, with its center line offset south of the volcanic buttes. There is no broad thermal anomaly associated with the magnetic high that extends offshore to the northeast from the volcanic domes.

  10. Shallow Drilling In The Salton Sea Region, The Thermal Anomaly

    SciTech Connect (OSTI)

    Newmark, R. L.; Kasameyer, P. W.; Younker, L. W.

    1987-01-01

    During two shallow thermal drilling programs, thermal measurements were obtained in 56 shallow (76.2 m) and one intermediate (457.3 m) depth holes located both onshore and offshore along the southern margin of the Salton Sea in the Imperial Valley, California. These data complete the surficial coverage of the thermal anomaly, revealing the shape and lateral extent of the hydrothermal system. The thermal data show the region of high thermal gradients to extend only a short distance offshore to the north of the Quaternary volcanic domes which are exposed along the southern shore of the Salton Sea. The thermal anomaly has an arcuate shape, about 4 km wide and 12 km long. Across the center of the anomaly, the transition zone between locations exhibiting high thermal gradients and those exhibiting regional thermal gradients is quite narrow. Thermal gradients rise from near regional (0.09 C/m) to extreme (0.83 C/m) in only 2.4 km. The heat flow in the central part of the anomaly is >600 mW/m{sup 2} and in some areas exceeds 1200 mW/m{sup 2}. The shape of the thermal anomaly is asymmetric with respect to the line of volcanoes previously thought to represent the center of the field, with its center line offset south of the volcanic buttes. There is no broad thermal anomaly associated with the magnetic high that extends offshore to the northeast from the volcanic domes. These observations of the thermal anomaly provide important constraints for models of the circulation of the hydrothermal system. Thermal budgets based on a simple model for this hydrothermal system indicate that the heat influx rate for local ''hot spots'' in the region may be large enough to account for the rate of heat flux from the entire Salton Trough.

  11. World tanker industry maintains momentum from Persian Gulf war

    SciTech Connect (OSTI)

    Not Available

    1991-06-10

    The world tanker industry has managed to maintain the momentum generated during the Persian Gulf War. Freight rates for large vessels have regained the high levels seen during the first 2 months of this year, while the expected postwar decline in use of tankers has not materialized. The health of the tanker industry is linked closely with the volume of long haul crude oil from the Middle East, a spot charter from the gulf to Europe, an owner would only break even on the cost of building and operating a new tanker to the highest environmental standards. Owners currently can expect spot rates of about $40,000/day, excellent by the standards of the late 1980s and early 1990s but still below the level needed to justify new buildings. And there are many in the industry who think $40,000/day will be just a happy memory later in the year. Owners are facing pressure for major changes in the industry. Governments and the public want better operating standards and new environmentally sound tankers to reduce the risk of oil spills. At the same time, the industry has to learn to live with repercussion in the 1990 Oil Pollution Act in the U.S., which has opened the way for unlimited liability against tanker owners involved in spills off the U.S. The search also is on for improved profits to make investments required by the changing world of seaborne oil transportation.

  12. Miocene sequence biostratigraphy of the northern Gulf of Mexico

    SciTech Connect (OSTI)

    Jiang, M.M. )

    1993-09-01

    The Miocene floral pulse model of Jiang and Watkins is revised. The new revision suggests that the Gulf of Mexico Miocene floral pulses, corresponding to the traditional foraminiferal tops, are transgression surfaces of the fourth-order sequences. These pulses show diverse magnitudes and when they are plotted on a depth (or time) tract, their relative magnitudes show an orderly wavy pattern comparable to the Haq et al.'s third-order cycles in the Miocene. After iterative comparison, the condensed intervals of these Miocene third-order sequences have been determined as, in descending order, Cyclammina 3, the second Cibicides carstensi, the second Textularia W, Cristellaria I, Robulus 43, Discorbis B, the third Marginulina A, and Textularia panamensis (= fauna unit II). The least prominent pulses suggesting the third-order cycle highstands (or shelf-margin wedges) are suggested as, in descending order, Textularia X, Bolivina thalmanni, Globorotalia fohsi robusta, Bigenerina humblei, Cibicides opima, Saracenaria schencki, Marginulina A (= second Robulus chambersi), and Siphonina davisi. Redeposited Cretaceous nanno species are an important component in the Gulf of Mexico middle and lower Miocene. Significant concentrations of these species are found primarily in the third-order cycle highstands, one exception being the Marginulina A third-order cycle highstand that in the High Island and West Cameron areas contained only rare redeposited Cretaceous nannos.

  13. AAPG-SEPM Gulf of Mexico type-well project

    SciTech Connect (OSTI)

    Slatt, R.M.; Christopher, R.C. ); Katz, B.J. ); Hutchinson, P.J. ); Zucker, S.M. ); Eslinger, E.V. ); Glasmann, J.R.; Billman, H.G.

    1992-12-01

    In 1991, The American Association of Petroleum Geologists (AAPG) published a regional stratigraphic cross section and accompanying seismic line that extends from the south flank of the Ouachita tectonic belt in southern Arkansas (lat. 34.15'N) to south of the 28th parallel in the High Island area, South Addition Block of offshore Gulf of Mexico. The cross section shows chronostratigraphic correlations, lithostratigraphy, and generalized structural relations common to the central Gulf Coast and mid-continent region. The section has been published in three large sheets, each representing approximately 425 statue mi of geographic coverage. As an outgrowth of this project, AAPG, jointly with the Society of Sedimentary Geology (SEPM), organized and sponsored a project through their respective Research Committees on biostratigraphic, lithostratigraphic, and organic geochemical analyses of cuttings from key wells tied to the cross section. Separate splits of samples were sent to volunteers for the following analyses: (1) binocular microscope lithology analysis, (2) detailed biostratigraphy, (3) organic geochemistry, and (4) clay mineralogy by x-ray diffraction (XRD).

  14. CO2 Huff-n-Puff Process in a Light Oil Shallow Shelf Carbonate Reservoir

    SciTech Connect (OSTI)

    Kovar, Mark; Wehner, Scott

    1998-01-13

    -term option to mitigate the negative cash-flow situation--allowing acceleration of inventoried miscible CO2 projects when coupled together. The CO2 Huff-n-Puff process is a proven enhanced oil recovery technology in Louisiana-Texas Gulf-coast sandstone reservoirs. Application seems to mostly confine itself to low pressure sandstone reservoirs 7 . The process has even been shown to be moderately effective in conjunction with steam on heavy California crude oils. A review of earlier literature provides an excellent discussion on the theory, mechanics of the process, and several case histories. Although the technology is proven in light oil sandstones, it continues to be a very underutilized enhanced recovery option for carbonates. However, the theories associated with the CO2 Huff-n-Puff process are not lithology dependent. It was anticipated that this project would show that the application of the CO2 Huff-n-Puff process in shallow shelf carbonates could be economically implemented to recover appreciable volumes of light oil. The goals of the project were the development of guidelines for cost-effective selection of candidate reservoirs and wells, along with estimating recovery potential.

  15. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Wednesday, 24 November 2010 00:00 Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary

  16. DOE Announces Three Projects to Help the Gulf Coast Recover and Rebuild |

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Department of Energy Three Projects to Help the Gulf Coast Recover and Rebuild DOE Announces Three Projects to Help the Gulf Coast Recover and Rebuild January 20, 2006 - 10:52am Addthis ROBINSONVILLE, MS - Energy Secretary Samuel W. Bodman today announced three Department of Energy (DOE) initiatives to help the people in the Gulf coast region recover from the hurricanes in 2005, as well as prevent loss of life and damage in the future. During his speech to the Energy Leadership Forum, the

  17. A coastal hazards data base for the US Gulf Coast

    SciTech Connect (OSTI)

    Daniels, R.C.; Gornitz, V.M.; White, T.W.

    1994-06-01

    This document describes the contents of a digital data base that may be used to identify coastlines along the US Gulf Coast at risk to sea-level rise. The data base integrates point, line, and polygon data for the US Gulf Coast into 0.25{degree} latitude by 0.25{degree} longitude grid cells and into 1:2,000,000 digitized line segments that can be used by raster or vector geographic information systems (GIS) as well as by non-GIS data base systems. Each coastal grid cell and line segment contains data on elevation, geology, geomorphology, sea-level trends, shoreline displacement (erosion/accretion), tidal ranges, and wave heights. To allow for the identification of coastlines at risk from sea-level rise, 7 of the 22 original data variables in this data base were classified by vulnerability and used to create 7 relative risk variables. These relative risk variables range in value from 1 to 5 and may be used to calculate a coastal vulnerability index for each grid cell and/or line segment. The data for these 29 variables (i.e., the 22 original variables and 7 risk variables) have been placed into the following data formats: (1) Gridded polygon data for the 22 original data variables. Data include elevation, geology, geomorphology, sea-level trends, shoreline displacement (erosion/accretion), tidal ranges, and wave heights. (2) Gridded polygon data for the seven classified risk variables. The risk variables are classified versions of: mean coastal elevation, geology, geomorphology, local subsidence trend, mean shoreline displacement, maximum tidal range, and maximum significant wave height. (3) 1:2,000,000 line segment data containing the 29 data variables (the 22 original data variables and the seven classified risk variables). (4) Supplemental point data for the stations used in calculating the sea-level trend and tidal range data sets. (5) Supplemental line segment data containing a 1:2,000,000 digitized coastline of the US Gulf Coast as defined by this document.

  18. Atlantic update, July 1986--June 1990: Outer Continental Shelf oil and gas activities

    SciTech Connect (OSTI)

    Karpas, R.M.; Gould, G.J.

    1990-10-01

    This report describes outer continental shelf oil and gas activities in the Atlantic Region. This edition of the Atlantic Update includes an overview of the Mid-Atlantic Planning Area and a summary of the Manteo Prospect off-shore North Carolina. 6 figs., 8 tabs.

  19. ARM - Field Campaign - LASIC: Layered Atlantic Smoke Interactions with

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Clouds - Cloud Radar at St. Helena Cloud Radar at St. Helena Related Campaigns LASIC: Layered Atlantic Smoke Interactions with Clouds 2016.06.01, Zuidema, AMF Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : LASIC: Layered Atlantic Smoke Interactions with Clouds - Cloud Radar at St. Helena 2017.08.01 - 2017.10.31 Lead Scientist : Paquita Zuidema Abstract Smoke and clouds over the remote ocean represent a regime of significant

  20. Atlantic Coastal Experiment III: R/V KNORR cruise 68, 4-30 August 1977; FRV ALBATROSS IV cruise 77-07, 1-4, 16-31 August 1977. Data report, volume 1

    SciTech Connect (OSTI)

    Judkins, D.C.; von Bock, K.

    1983-03-01

    Data are reported from KNORR cruise 68, the major investigation of the third Atlantic Coastal Experiment (ACE), conducted during a period of pro-nounced water-column stratification. One hundred fifty-five stations, including 6 time-series sitings, were occupied within the shelf and shelf- break regimes of New York Bight. Measurements were made to assess water-mass characterization, nutrient cycling, carbon/nitrogen assimilation, bio-mass distribution and diel dynamics and benthic/water-column interfacial exchange. Data are also included from the cruise of ALBATROSS IV carried out contemporaneously with the KNORR investigations, in an area ranging from Nantucket Shoals to the upper reaches of the Gulf of Maine. 20 hydrographic stations were used to augment underway mapping in order to elucidate surface-layer chlorophyll and nutrient distributions occurring at an impor-tant boundary of the New York Bight.

  1. Tanker-based production eyed for Gulf of Mexico use

    SciTech Connect (OSTI)

    Karve, S.

    1986-05-01

    The new oil price environment is sending industry engineers back to the drawing board. The search is on for cost effective and perhaps unconventional deepwater production systems. One candidate for Gulf of Mexico deepwater tracts is a tanker-based floating production, storage, and offloading (FPSO) system. Substantial experience with tanker-based FPSO systems has proven them to be cost effective when the field is remote from existing production facilities and pipelines. A tanker-based system offers the unique feature of integrating production, storage, and offloading capabilities into a single unit. Such systems can be installed in 12 to 15 months and can even be leased, significantly improving an operator's cash flow.

  2. DOE Expedition Discovers the First Gulf of Mexico Resource-Quality Gas Hydrate Deposits

    Broader source: Energy.gov [DOE]

    The Office of Fossil Energy's National Energy Technology Laboratory has established that gas hydrate can and does occur at high saturations within reservoir-quality sands in the Gulf of Mexico.

  3. DEVELOPMENT OF SHALLOW VISCOUS OIL RESERVES IN NORTH SLOPE

    SciTech Connect (OSTI)

    Kishore K. Mohanty

    2003-07-01

    North Slope of Alaska has huge oil deposits in heavy oil reservoirs such as Ugnu, West Sak and Shrader Bluff etc. The viscosity of the last two reservoir oils vary from {approx}30 cp to {approx}3000 cp and the amount in the range of 10-20 billion barrels. High oil viscosity and low formation strength impose problems to high recovery and well productivity. Water-alternate-gas injection processes can be effective for the lower viscosity end of these deposits in West Sak and Shrader Bluff. Several gas streams are available in the North Slope containing NGL and CO{sub 2} (a greenhouse gas). The goal of this research is to develop tools to find optimum solvent, injection schedule and well-architecture for a WAG process in North Slope shallow sand viscous oil reservoirs. In the last quarter, we have developed streamline generation and convection subroutines for miscible gas injection. The WAG injection algorithms are being developed. We formulated a four-phase relative permeability model based on two-phase relative permeabilities. The new relative permeability formulations are being incorporated into the simulator. Wettabilities and relative permeabilities are being measured. Plans for the next quarter includes modeling of WAG injection in streamline based simulation, relative permeability studies with cores, incorporation of complex well-architecture.

  4. Sensor integration study for a shallow tunnel detection system.

    SciTech Connect (OSTI)

    Yee, Mark L.; Abbott, Robert E.; Bonal, Nedra; Elbring, Gregory Jay; Senglaub, Michael E.

    2010-02-01

    During the past several years, there has been a growing recognition of the threats posed by the use of shallow tunnels against both international border security and the integrity of critical facilities. This has led to the development and testing of a variety of geophysical and surveillance techniques for the detection of these clandestine tunnels. The challenges of detection of these tunnels arising from the complexity of the near surface environment, the subtlety of the tunnel signatures themselves, and the frequent siting of these tunnels in urban environments with a high level of cultural noise, have time and again shown that any single technique is not robust enough to solve the tunnel detection problem in all cases. The question then arises as to how to best combine the multiple techniques currently available to create an integrated system that results in the best chance of detecting these tunnels in a variety of clutter environments and geologies. This study utilizes Taguchi analysis with simulated sensor detection performance to address this question. The analysis results show that ambient noise has the most effect on detection performance over the effects of tunnel characteristics and geological factors.

  5. Shallow infiltration processes in arid watersheds at Yucca Mountain, Nevada

    SciTech Connect (OSTI)

    Flint, L.E.; Flint, A.L. Hevesi, J.A. [Geological Survey, Mercury, NV (United States)

    1994-12-31

    A conceptual model of shallow infiltration processes at Yucca Mountain, Nevada, was developed for use in hydrologic flow models to characterize net infiltration (the penetration of the wetting front below the zone influenced by evapotranspiration). The model categorizes the surface of the site into four infiltration zones. These zones were identified as ridgetops, sideslopes, terraces, and active channels on the basis of water-content changes with depth and time. The maximum depth of measured water-content change at a specific site is a function of surface storage capacity, the timing and magnitude of precipitation, evapotranspiration, and the degree of saturation of surficial materials overlying fractured bedrock. Measured water-content profiles for the four zones indicated that the potential for net infiltration is higher when evapotranspiration is low (i.e winter, cloudy periods), where surface concentration of water is likely to occur (i.e. depressions, channels), where surface storage capacity is low, and where fractured bedrock is close to the surface.

  6. Outer Continental Shelf oil and gas activities in the Atlantic and their onshore impacts. Atlantic summary report, July 1, 1983-December 31, 1984

    SciTech Connect (OSTI)

    Rudolph, R.W.; Havran, K.J.

    1984-12-01

    The search for oil and gas on the Outer Continental Shelf in the Atlantic continues. Hydrocarbon exploration efforts have been and probably will continue to be concentrated on four major sedimentary basins: the Georges Bank Basin, the Baltimore Canyon Trough, the Carolina Trough, and the Blake Plateau Basin. To date, 46 exploratory wells have been drilled in these areas, most of them in the Mid-Atlantic Planning Area where resource estimates indicate the hydrocarbon potential is the greatest of the three Atlantic Outer Continental Shelf planning areas. Currently, no operators are involved in exploration efforts in the Atlantic. No commercial discoveries have been announced. Since the first and most successful sale of Atlantic Outer Continental Shelf blocks in Lease Sale 40 in August 1976, there have been eight other sales bringing total revenues of almost $3 billion to the Federal Treasury. The current tentative milestone chart for the 5-year offshore leasing schedule calls for four additional lease sales to be held in the Atlantic Outer Continental Shelf. Although no firm plans have been made for the transportation of potential offshore hydrocarbons to onshore processing facilities, it is believed that oil would be transported by tanker or tug-barge system to existing refineries on the Raritan and Delaware Bays. Gas probably would be transported by pipeline to one of several onshore landfalls identifed by Atlantic Coast States and in Federal environmental impact documents. Recent onshore support for Atlantic Outer Continental Shelf exploration came from Davisville, Rhode Island, the only shore support base for the Atlantic that was active during 1984. Three maps are provided in the back pocket of this report for the North Atlantic, Mid-Atlantic and South Atlantic planning areas. 29 refs., 8 figs., 6 tabs.

  7. CARINA (Carbon dioxide in the Atlantic Ocean) Data from CDIAC

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    The idea for CARINA developed at a workshop (CO2 in the northern North Atlantic) that was held at the HANSE-Wissenschaftskolleg (HANSE Institute for Advanced Study) in Delmenhorst, Germany from June 9 to 11, 1999. While the main scientific focus is the North Atlantic, some data from the South Atlantic have been included in the project, along with data from the Arctic Ocean. Data sets go back to 1972, and more than 100 are currently available. The data are also being used in conjunction with other projects and research groups, such as the Atlantic Ocean Carbon Synthesis Group. See the inventory of data at http://store.pangaea.de/Projects/CARBOOCEAN/carina/data_inventory.htm See a detailed table of information on the cruises at http://cdiac.ornl.gov/oceans/CARINA/Carina_table.html and also provides access to data files. The CARBOOCEAN data portal provides a specialized interface for CARINA data, a reference list for historic carbon data, and password protected access to the "Data Underway Warehouse.".

  8. Support of Gulf of Mexico Hydrate Research Consortium: Activities of Support Establishment of a Sea Floor Monitoring Station Project

    SciTech Connect (OSTI)

    J. Robert Woolsey; Thomas McGee; Carol Lutken

    2008-05-31

    The Gulf of Mexico Hydrates Research Consortium (GOM-HRC) was established in 1999 to assemble leaders in gas hydrates research that shared the need for a way to conduct investigations of gas hydrates and their stability zone in the Gulf of Mexico in situ on a more-or-less continuous basis. The primary objective of the group is to design and emplace a remote monitoring station or sea floor observatory (SFO) on the sea floor in the northern Gulf of Mexico, in an area where gas hydrates are known to be present at, or just below, the sea floor and to discover the configuration and composition of the subsurface pathways or 'plumbing' through which fluids migrate into and out of the hydrate stability zone (HSZ) to the sediment-water interface. Monitoring changes in this zone and linking them to coincident and perhaps consequent events at the seafloor and within the water column is the eventual goal of the Consortium. This mission includes investigations of the physical, chemical and biological components of the gas hydrate stability zone - the sea-floor/sediment-water interface, the near-sea-floor water column, and the shallow subsurface sediments. The eventual goal is to monitor changes in the hydrate stability zone over time. Establishment of the Consortium succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among those involved in gas hydrates research. Complementary expertise, both scientific and technical, has been assembled to promote innovative methods and construct necessary instrumentation. Following extensive investigation into candidate sites, Mississippi Canyon 118 (MC118) was chosen by consensus of the Consortium at their fall, 2004, meeting as the site most likely to satisfy all criteria established by the group. Much of the preliminary work preceding the establishment of the site - sensor development and testing, geophysical surveys, and laboratory studies - has been reported in agency

  9. DOE - Office of Legacy Management -- Shallow Land Disposal Area - PA 45

    Office of Legacy Management (LM)

    Shallow Land Disposal Area - PA 45 FUSRAP Considered Sites Shallow Land Disposal Area, PA Alternate Name(s): Parks Township Shallow Land Disposal Area Nuclear Materials and Equipment Corporation (NUMEC) Babcock and Wilcox Parks Facilities PA.45-1 PA.45-5 PA.45-6 Location: PA Route 66 and Kissimere Road, Parks Township, Apollo, Pennsylvania PA.45-1 Historical Operations: Fabricated nuclear fuel under an NRC license as an extension of NUMEC Apollo production facilities. PA.45-1 PA.45-5 Eligibility

  10. Environmental Assessment: Geothermal Energy Geopressure Subprogram. Gulf Coast Well Drilling and Testing Activity (Frio, Wilcox, and Tuscaloosa Formations, Texas and Louisiana)

    SciTech Connect (OSTI)

    1981-09-01

    The Department of Energy (DOE) has initiated a program to evaluate the feasibility of developing the geothermal-geopressured energy resources of the Louisiana-Texas Gulf Coast. As part of this effort, DOE is contracting for the drilling of design wells to define the nature and extent of the geopressure resource. At each of several sites, one deep well (4000-6400 m) will be drilled and flow tested. One or more shallow wells will also be drilled to dispose of geopressured brines. Each site will require about 2 ha (5 acres) of land. Construction and initial flow testing will take approximately one year. If initial flow testing is successful, a continuous one-year duration flow test will take place at a rate of up to 6400 m{sup 3} (40,000 bbl) per day. Extensive tests will be conducted on the physical and chemical composition of the fluids, on their temperature and flow rate, on fluid disposal techniques, and on the reliability and performance of equipment. Each project will require a maximum of three years to complete drilling, testing, and site restoration.

  11. The oil policies of the Gulf Arab Nations

    SciTech Connect (OSTI)

    Ripple, R.D.; Hagen, R.E.

    1995-03-01

    At its heart, Arab oil policy is inseparable from Arab economic and social policy. This holds whether we are talking about the Arab nations as a group or each separately. The seven Arab nations covered in this report-Bahrain, Iraq, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates--participate in several organizations focusing on regional cooperation regarding economic development, social programs, and Islamic unity, as well as organizations concerned with oil policies. This report focuses on the oil-related activities of the countries that may reveal the de facto oil policies of the seven Persian Gulf nations. Nevertheless it should be kept in mind that the decision makers participating in the oil policy organizations are also involved with the collaborative efforts of these other organizations. Oil policies of five of the seven Arab nations are expressed within the forums of the Organization of Petroleum Exporting Countries (OPEC) and the Organization of Arab Petroleum Exporting Countries (OAPEC). Only Oman, among the seven, is not a member of either OAPEC or OPEC; Bahrain is a member of OAPEC but not of OPEC. OPEC and OAPEC provide forums for compromise and cooperation among their members. Nevertheless, each member state maintains its own sovereignty and follows its own policies. Each country deviates from the group prescription from time to time, depending upon individual circumstances.

  12. Geologic development and characteristics of continental margins, Gulf of Mexico

    SciTech Connect (OSTI)

    Coleman, J.M.; Prior, D.B.; Roberts, H.H.

    1986-09-01

    The continental slope of the Gulf basin covers more than 500,000 km/sup 2/ and consists of smooth and gently sloping surfaces, prominent escarpments, knolls, intraslope basins, and submarine canyons and channels. It is an area of extremely diverse topographic and sedimentologic conditions. The slope extends from the shelf break, roughly at the 200-m isobath, to the upper limit of the continental rise at a depth of 2800 m. The most complex province in the basin, and the one of most interest to the petroleum industry, is the Texas-Louisiana slope, occupying 120,000 km/sup 2/ and in which bottom slopes range from less than 1/sup 0/ to greater than 20/sup 0/ around the knolls and basins. The near-surface geology and topography of the slope is a function of the interplay between episodes of rapid shelf-edge and slope progradation and contemporaneous modification of the depositional sequence by diapirism. Development of discrete depocenters throughout the Neogene results in rapid shelf-edge progradation, often exceeding 15-20 km/m.y. This rapid progradation of the shelf edge leads to development of thick wedges of sediment accumulation on the continental slope. Slope oversteepening, high pore pressures in rapidly deposited soft sediments, and changes in eustatic sea level cause subaqueous slope instabilities such as landslides and debris flows. Large-scale features such as shelf-edge separation scars and landslide-related canyons often result from such processes.

  13. Land subsidence associated with hydrocarbon production, Texas Gulf Coast

    SciTech Connect (OSTI)

    Kreitler, C.W.; White, W.A.; Akhter, M.S.

    1988-01-01

    Although ground-water withdrawal has been the predominant cause of land subsidence in the Texas Gulf Coast, localized subsidence and faulting have also resulted from hydrocarbon production. Subsidence was documented as early as the 1920s over the Goose Creek field. Since then, subsidence and/or faulting have been identified over the Saxet, South Houston, Chocolate Bayou, Hastings, Alco-Mag, Clinton, Mykawa, Blue Ridge, Webster, and Caplen oil fields. Oil-production-related subsidence over these fields generally creates few environmental or engineering problems. One exception is the subsidence and faulting over the Caplen oil field on Bolivar Peninsula, where more than 1,000 ac of saltwater marsh has been replaced by subaqueous flats. Subsidence may be occurring over other fields but has not been identified because of limited releveled benchmark data. An evaluation of drill-stem and bottom-hole pressure data for the Frio Formation in Texas indicates extensive depressurization presumably from hydrocarbon production. Nearly 12,000 measurements from a pressure data base of 17,000 measurements indicate some depressurization. Some of the Frio zones have pressure declines of more than 1,500 psi from original hydrostatic conditions. Subsidence and faulting may be associated with these fields in the Frio as well as other Tertiary formations where extensive hydrocarbon production and subsequent depressurization have occurred.

  14. Layered Atlantic Smoke Interactions with Clouds (LASIC) Science Plan

    SciTech Connect (OSTI)

    Zuidema, P; Chiu, C; Fairall, CW; Ghan, SJ; Kollias, P; McFarguhar, GM; Mechem, DB; Romps, DM; Wong, H; Yuter, SE; Alvarado, MJ; DeSzoeke, SP; Feingold, G; Haywood, JM; Lewis, ER; McComiskey, A; Redemann, J; Turner, DD; Wood, R; Zhu, P

    2015-12-01

    Southern Africa is the world’s largest emitter of biomass-burning (BB) aerosols. Their westward transport over the remote southeast Atlantic Ocean colocates some of the largest atmospheric loadings of absorbing aerosol with the least examined of the Earth’s major subtropical stratocumulus decks. Global aerosol model results highlight that the largest positive top-of-atmosphere forcing in the world occurs in the southeast Atlantic, but this region exhibits large differences in magnitude and sign between reputable models, in part because of high variability in the underlying model cloud distributions. Many uncertainties contribute to the highly variable model radiation fields: the aging of shortwave-absorbing aerosol during transport, how much of the aerosol mixes into the cloudy boundary layer, and how the low clouds adjust to smoke-radiation and smoke-cloud interactions. In addition, the ability of the BB aerosol to absorb shortwave radiation is known to vary seasonally as the fuel type on land changes.

  15. Sandia, the Atlantic Council, and NM Water Resource Research Institute

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Sponsor Roundtable on Western Water Scarcity the Atlantic Council, and NM Water Resource Research Institute Sponsor Roundtable on Western Water Scarcity - Sandia Energy Energy Search Icon Sandia Home Locations Contact Us Employee Locator Energy & Climate Secure & Sustainable Energy Future Stationary Power Energy Conversion Efficiency Solar Energy Wind Energy Water Power Supercritical CO2 Geothermal Natural Gas Safety, Security & Resilience of the Energy Infrastructure Energy

  16. New Jersey: Atlantic City Jitneys Running on Natural Gas | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Energy New Jersey: Atlantic City Jitneys Running on Natural Gas New Jersey: Atlantic City Jitneys Running on Natural Gas November 6, 2013 - 12:00am Addthis In 2009, the New Jersey Clean Cities Coalition was one of 25 recipients to receive funding from the EERE Clean Cities' Alternative Fuel and Advanced Technology Vehicles Pilot Program. The approximately $15 million in funding allowed he city to purchase nearly 300 compressed natural gas vehicles, including 190 Atlantic City

  17. EIS-0465: Mid-Atlantic Power Pathway Transmission Line Project in Maryland

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    and Delaware | Department of Energy 5: Mid-Atlantic Power Pathway Transmission Line Project in Maryland and Delaware EIS-0465: Mid-Atlantic Power Pathway Transmission Line Project in Maryland and Delaware March 4, 2011 EIS-0465: Notice of Intent to Prepare an Environmental Impact Statement Construction of Phase II of the Mid-Atlantic Power Pathway Transmission Line Project, in Maryland and Delaware February 4, 2011 EIS-0465: Announcement of Public Scoping Meetings Construction of Phase II of

  18. Produced water discharges to the Gulf of Mexico: Background information for ecological risk assessments

    SciTech Connect (OSTI)

    Meinhold, A.F.; Holtzman, S.; DePhillips, M.P.

    1996-06-01

    This report reviews ecological risk assessment concepts and methods; describes important biological resources in the Gulf of Mexico of potential concern for produced water impacts; and summarizes data available to estimate exposure and effects of produced water discharges. The emphasis is on data relating to produced water discharges in the central and western Gulf of Mexico, especially in Louisiana. Much of the summarized data and cited literature are relevant to assessments of impacts in other regions. Data describing effects on marine and estuarine fishes, mollusks, crustaceans and benthic invertebrates are emphasized. This review is part of a series of studies of the health and ecological risks from discharges of produced water to the Gulf of Mexico. These assessments will provide input to regulators in the development of guidelines and permits, and to industry in the use of appropriate discharge practices.

  19. Identification of geopressured occurrences outside of the Gulf Coast. Final report, Phase I

    SciTech Connect (OSTI)

    Strongin, O.

    1980-09-30

    As an extension of its efforts in the development of the geopressured resources of the Gulf Coast, the Division of Geothermal Energy of the US Department of Energy is interested in determining the extent and characteristics of geopressured occurrences in areas outside the Gulf Coast. The work undertaken involved a literature search of available information documenting such occurrences. Geopressured reservoirs have been reported from various types of sedimentary lithologies representing virtually all geologic ages and in a host of geologic environments, many of which are unlike those of the Gulf Coast. These include many Rocky Mountain basins (Green River, Big Horn, Powder River, Wind River, Uinta, Piceance, Denver, San Juan), Mid-Continent basins (Delaware, Anadorko, Interior Salt, Williston, Appalachian), California basins (Sacramento, San Joaquin, Los Angeles, Ventura, Coast Ranges), Alaskan onshore and offshore basins, Pacific Coast offshore basins, and other isolated occurrences, both onshore and offshore.

  20. Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Data | Department of Energy Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data The Wind Program hosted a two-day workshop on July 24-25, 2012 with scientists and regulators engaged in marine ecological survey, modeling, and database efforts pertaining to the waters of the Mid-Atlantic region. Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data: Workshop to Establish

  1. Fact #933: July 11, 2016 Texas, North Dakota, and the Gulf of Mexico

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Account for Two-Thirds of U.S. Crude Oil Production | Department of Energy 3: July 11, 2016 Texas, North Dakota, and the Gulf of Mexico Account for Two-Thirds of U.S. Crude Oil Production Fact #933: July 11, 2016 Texas, North Dakota, and the Gulf of Mexico Account for Two-Thirds of U.S. Crude Oil Production SUBSCRIBE to the Fact of the Week In 2015, the United States produced a total of 9.4 million barrels of crude oil per day (mmbd) from state and federal offshore operations. Texas produced

  2. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  3. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  4. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  5. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  6. ,"Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals and Production"

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf of Mexico Natural Gas Gross Withdrawals and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","Federal Offshore Gulf of Mexico Natural Gas Gross Withdrawals and Production",10,"Monthly","6/2016","01/15/1997" ,"Release Date:","08/31/2016" ,"Next Release

  7. Federal Offshore--Gulf of Mexico Natural Gas Plant Fuel Consumption

    Gasoline and Diesel Fuel Update (EIA)

    (Million Cubic Feet) Gulf of Mexico Natural Gas Plant Fuel Consumption (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 0 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 8/31/2016 Next Release Date: 9/30/2016 Referring Pages: Natural Gas Plant Fuel Consumption Gulf of Mexico Natural Gas Consumption by End Use Plant Fuel Consumption of Natural Gas

  8. Gulf Of Mexico Natural Gas Plant Liquids Production (Million Cubic Feet)

    Gasoline and Diesel Fuel Update (EIA)

    Gulf LNG, Mississippi LNG Imports (Price) (Dollars per Thousand Cubic Feet) Gulf LNG, Mississippi LNG Imports (Price) (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's -- 12.93 -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Price of Liquefied Natural

  9. Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Alabama

    Gasoline and Diesel Fuel Update (EIA)

    (Million Cubic Feet) Alabama (Million Cubic Feet) Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Alabama (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 7,442 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: NGPL Production, Gaseous Equivalent Gulf of Mexico-Alabama

  10. Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Louisiana

    Gasoline and Diesel Fuel Update (EIA)

    (Million Cubic Feet) Louisiana (Million Cubic Feet) Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Louisiana (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 51,010 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: NGPL Production, Gaseous Equivalent Gulf of Mexico-Louisia

  11. Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Texas

    Gasoline and Diesel Fuel Update (EIA)

    (Million Cubic Feet) Texas (Million Cubic Feet) Gulf Of Mexico Natural Gas Plant Liquids Production Extracted in Texas (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 7,404 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: NGPL Production, Gaseous Equivalent Gulf of Mexico-Texas

  12. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  13. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  14. Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molecular Measurements of the Deep-Sea Oil Plume in the Gulf of Mexico Print Microbial Mitigation The Deepwater Horizon blowout in the Gulf of Mexico on April 20, 2010, resulted in the largest oil spill in the history of the United States. The biological effects and expected fate of the oil are unknown, partly due to the extreme depth and magnitude of this event and partly due to the primary initial mitigation strategy that injected unprecedented quantities of oil dispersant directly at the

  15. Gulf LNG, Mississippi LNG Imports (Price) (Dollars per Thousand Cubic Feet)

    U.S. Energy Information Administration (EIA) Indexed Site

    Gulf LNG, Mississippi LNG Imports (Price) (Dollars per Thousand Cubic Feet) Gulf LNG, Mississippi LNG Imports (Price) (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's -- 12.93 -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Price of Liquefied Natural

  16. 3D Seismic Experimentation and Advanced Processing/Inversion Development for Investigations of the Shallow Subsurface

    SciTech Connect (OSTI)

    Levander, Alan Richard; Zelt, Colin A.

    2015-03-17

    The work plan for this project was to develop and apply advanced seismic reflection and wide-angle processing and inversion techniques to high resolution seismic data for the shallow subsurface to seismically characterize the shallow subsurface at hazardous waste sites as an aid to containment and cleanup activities. We proposed to continue work on seismic data that we had already acquired under a previous DoE grant, as well as to acquire additional new datasets for analysis. The project successfully developed and/or implemented the use of 3D reflection seismology algorithms, waveform tomography and finite-frequency tomography using compressional and shear waves for high resolution characterization of the shallow subsurface at two waste sites. These two sites have markedly different near-surface structures, groundwater flow patterns, and hazardous waste problems. This is documented in the list of refereed documents, conference proceedings, and Rice graduate theses, listed below.

  17. Measurement of optical scattered power from laser-induced shallow pits on silica

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Feigenbaum, Eyal; Nielsen, Norman; Matthews, Manyalibo J.

    2015-10-01

    We describe a model for far-field scattered power and irradiance by a silica glass slab with a shallow-pitted exit surface and is experimentally validated. The comparison to the model is performed using a precisely micromachined ensemble of ~11 μm wide laser ablated shallow pits producing 1% of the incident beam scatter in a 10 mrad angle. This series of samples with damage initiations and laser-induced shallow pits resulting from 351 nm, 5 ns pulsed laser cleaning of metal microparticles at different fluences between 2 J/cm2 and 11 J/cm2 are characterized as well and found in good agreement with model predictions.

  18. Measurement of optical scattered power from laser-induced shallow pits on silica

    SciTech Connect (OSTI)

    Feigenbaum, Eyal; Nielsen, Norman; Matthews, Manyalibo J.

    2015-10-01

    We describe a model for far-field scattered power and irradiance by a silica glass slab with a shallow-pitted exit surface and is experimentally validated. The comparison to the model is performed using a precisely micromachined ensemble of ~11 μm wide laser ablated shallow pits producing 1% of the incident beam scatter in a 10 mrad angle. This series of samples with damage initiations and laser-induced shallow pits resulting from 351 nm, 5 ns pulsed laser cleaning of metal microparticles at different fluences between 2 J/cm2 and 11 J/cm2 are characterized as well and found in good agreement with model predictions.

  19. Trans-Atlantic Workshop on Rare Earth Elements and Other Critical Materials for a Clean Energy Future

    Office of Energy Efficiency and Renewable Energy (EERE)

    Trans-Atlantic Workshop on Rare Earth Elements and Other Critical Materials for a Clean Energy Future

  20. Biogenic silica fluxes and accumulation rates in the Gulf of California

    SciTech Connect (OSTI)

    Thunell, R.C.; Pride, C.J.; Tappa, E. ); Muller-Karger, F.E. )

    1994-04-01

    The Gulf of California, though small in size, plays an important role in the global silica cycle. The seasonal pattern of biogenic silica flux in the gulf is closely related to that of phytoplankton biomass levels and is controlled by changes in weather and hydrographic conditions. The highest opal fluxes ([approximately] 0.35 g[center dot]m[sup [minus]2][center dot]d[sup [minus]1]) occur during winter and spring, and they are comparable to those measured in some of the most productive ecosystems of the world. Approximately 15%-25% of the biogenic silica produced in surface waters is preserved in gulf sediments, a figure significantly higher than the average global ocean preservation rate. However, the flux of opal at 500 m water depth is less than 25% of that being produced at the surface, suggesting that most of the recycling of biogenic silica in the Gulf of California occurs in the upper water column. 28 refs., 3 figs.

  1. Recovery sequences for a station blackout accident at the Grand Gulf Nuclear Station

    SciTech Connect (OSTI)

    Carbajo, J.J. [Martin Marietta Energy Systems, Oak Ridge, TN (United States)

    1995-12-31

    Recovery sequences for a low-pressure, short term, station blackout severe accident at the Grand Gulf power plant have been investigated using the computer code MELCOR, version 1.8.3 PN. This paper investigates the effect of reflood timing and mass flow rate on accident recovery.

  2. EA-1970: Fishermen’s Energy LLC Offshore Wind Demonstration Project, offshore Atlantic City, New Jersey

    Broader source: Energy.gov [DOE]

    DOE is proposing to provide funding to Fishermen’s Atlantic City Windfarm, LLC to construct and operate up to six wind turbine generators, for an offshore wind demonstration project, approximately 2.8 nautical miles off the coast of Atlantic City, NJ. The proposed action includes a cable crossing from the turbines to an on-shore existing substation.

  3. Linkages of Remote Sea Surface Temperatures and Atlantic Tropical Cyclone Activity Mediated by the African Monsoon

    SciTech Connect (OSTI)

    Taraphdar, Sourav; Leung, Lai-Yung R.; Hagos, Samson M.

    2015-01-28

    Warm sea surface temperatures (SSTs) in North Atlantic and Mediterranean (NAMED) can influence tropical cyclone (TC) activity in the tropical East Atlantic by modulating summer convection over western Africa. Analysis of 30 years of observations show that the NAMED SST is linked to a strengthening of the Saharan heat low and enhancement of moisture and moist static energy in the lower atmosphere over West Africa, which favors a northward displacement of the monsoonal front. These processes also lead to a northward shift of the African easterly jet that introduces an anomalous positive vorticity from western Africa to the main development region (50W20E; 10N20N) of Atlantic TC. By modulating multiple processes associated with the African monsoon, this study demonstrates that warm NAMED SST explains 8% of interannual variability of Atlantic TC frequency. Thus NAME SST may provide useful predictability for Atlantic TC activity on seasonal-to-interannual time scale.

  4. RESULTS FROM THE (1) DATA COLLECTION WORKSHOP, (2) MODELING WORKSHOP AND (3) DRILLING AND CORING METHODS WORKSHOP AS PART OF THE JOINT INDUSTRY PARTICIPATION (JIP) PROJECT TO CHARACTERIZE NATURAL GAS HYDRATES IN THE DEEPWATER GULF OF MEXICO

    SciTech Connect (OSTI)

    Stephen A. Holditch; Emrys Jones

    2002-09-01

    In 2000, Chevron began a project to learn how to characterize the natural gas hydrate deposits in the deepwater portions of the Gulf of Mexico. A Joint Industry Participation (JIP) group was formed in 2001, and a project partially funded by the U.S. Department of Energy (DOE) began in October 2001. The primary objective of this project is to develop technology and data to assist in the characterization of naturally occurring gas hydrates in the deepwater Gulf of Mexico. These naturally occurring gas hydrates can cause problems relating to drilling and production of oil and gas, as well as building and operating pipelines. Other objectives of this project are to better understand how natural gas hydrates can affect seafloor stability, to gather data that can be used to study climate change, and to determine how the results of this project can be used to assess if and how gas hydrates act as a trapping mechanism for shallow oil or gas reservoirs. As part of the project, three workshops were held. The first was a data collection workshop, held in Houston during March 14-15, 2002. The purpose of this workshop was to find out what data exist on gas hydrates and to begin making that data available to the JIP. The second and third workshop, on Geoscience and Reservoir Modeling, and Drilling and Coring Methods, respectively, were held simultaneously in Houston during May 9-10, 2002. The Modeling Workshop was conducted to find out what data the various engineers, scientists and geoscientists want the JIP to collect in both the field and the laboratory. The Drilling and Coring workshop was to begin making plans on how we can collect the data required by the project's principal investigators.

  5. A shallow convection parameterization for the non-hydrostatic MM5 mesoscale model

    SciTech Connect (OSTI)

    Seaman, N.L.; Kain, J.S.; Deng, A.

    1996-04-01

    A shallow convection parameterization suitable for the Pennsylvannia State University (PSU)/National Center for Atmospheric Research nonhydrostatic mesoscale model (MM5) is being developed at PSU. The parameterization is based on parcel perturbation theory developed in conjunction with a 1-D Mellor Yamada 1.5-order planetary boundary layer scheme and the Kain-Fritsch deep convection model.

  6. Exploring a multi-resolution modeling approach within the shallow-water equations

    SciTech Connect (OSTI)

    Ringler, Todd; Jacobsen, Doug; Gunzburger, Max; Ju, Lili; Duda, Michael; Skamarock, William

    2011-01-01

    The ability to solve the global shallow-water equations with a conforming, variable-resolution mesh is evaluated using standard shallow-water test cases. While the long-term motivation for this study is the creation of a global climate modeling framework capable of resolving different spatial and temporal scales in different regions, the process begins with an analysis of the shallow-water system in order to better understand the strengths and weaknesses of the approach developed herein. The multiresolution meshes are spherical centroidal Voronoi tessellations where a single, user-supplied density function determines the region(s) of fine- and coarsemesh resolution. The shallow-water system is explored with a suite of meshes ranging from quasi-uniform resolution meshes, where the grid spacing is globally uniform, to highly variable resolution meshes, where the grid spacing varies by a factor of 16 between the fine and coarse regions. The potential vorticity is found to be conserved to within machine precision and the total available energy is conserved to within a time-truncation error. This result holds for the full suite of meshes, ranging from quasi-uniform resolution and highly variable resolution meshes. Based on shallow-water test cases 2 and 5, the primary conclusion of this study is that solution error is controlled primarily by the grid resolution in the coarsest part of the model domain. This conclusion is consistent with results obtained by others.When these variable-resolution meshes are used for the simulation of an unstable zonal jet, the core features of the growing instability are found to be largely unchanged as the variation in the mesh resolution increases. The main differences between the simulations occur outside the region of mesh refinement and these differences are attributed to the additional truncation error that accompanies increases in grid spacing. Overall, the results demonstrate support for this approach as a path toward

  7. H. R. 5441: A Bill to establish a Gulf of Mexico environmental and economic restoration and protection program. Introduced in the House of Representatives, One Hundred Second Congress, Second Session, June 18, 1992

    SciTech Connect (OSTI)

    Not Available

    1992-01-01

    This Act may be cited as the [open quotes]Gulf of Mexico Environmental and Economic Restoration and Protection Act of 1992[close quotes]. The purpose of this Bill is to establish a Gulf of Mexico environmental and economic restoration and protection program. Definitions used in this Bill are presented. The findings and purposes and provisions for the Gulf of Mexico Program; Gulf of Mexico program office; Gulf of Mexico executive board; functions, powers, and duties of the Board; coordinated comprehensive joint plan; funding of the Gulf Restoration Project; grant program; and authorization of appropriations are described.

  8. Multi-model analysis of the Atlantic influence on Southern Amazon rainfall

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Yoon, Jin -Ho

    2015-12-07

    Amazon rainfall is subject to year-to-year fluctuation resulting in drought and flood in various intensities. A major climatic driver of the interannual variation of the Amazon rainfall is El Niño/Southern Oscillation. Also, the Sea Surface Temperature over the Atlantic Ocean is identified as an important climatic driver on the Amazon water cycle. Previously, observational datasets were used to support the Atlantic influence on Amazon rainfall. Furthermore, it is found that multiple global climate models do reproduce the Atlantic-Amazon link robustly. However, there exist differences in rainfall response, which primarily depends on the climatological rainfall amount.

  9. Environmental and economic assessment of discharges from Gulf of Mexico Region Oil and Gas Operations

    SciTech Connect (OSTI)

    Gettleson, D.A.

    1997-11-24

    Task 3 (Environmental Field Sampling and Analysis of NORM, Heavy Metals, and Organics) and 4 (Monitoring of the Recovery of Impacted Wetland and Open Bay Produced Water Discharge Sites in Coastal Louisiana and Texas) activities involved continued data analysis and report writing. Task 5 (Assessment of Economic Impacts of Offshore and Coastal Discharge Requirements on Present and Future Operations in the Gulf of Mexico Region) was issued as a final report during the previous reporting period. Task 6 (Synthesis of Gulf of Mexico Seafood Consumption and Use Patterns) activities included the preparation of the final report. There were no Task 7 (Technology Transfer Plan) activities to report. Task 8 (Project Management and Deliverables) activities involved the submission of the necessary reports and routine management.

  10. Williston Basin. Gulf's CO/sub 2/ mini-test at Little Knife being evaluated

    SciTech Connect (OSTI)

    Hess, T.

    1981-10-01

    The Gulf Oil Exploration and Production Co. nonproducing CO/sub 2/ mini-test at Little Knife field is complete and under evaluation. Although Gulf and the Department of Energy, cosponsors of the $5.62-million project in Billings County, North Dakota, say it is premature to draw conclusions, it appears field test results mirror those achieved in laboratory tests. CO/sub 2/ and tracers have shown up in the observation wells. The objective was to show that CO/sub 2/ miscible displacement is potentially a commercial method of recovering crude oil from high-saturation carbonate reservoirs that have not been extensively waterflooded. The mini-test site, 3-144N-98W in Little Knife field, was appropriate because it was representative of the field.

  11. Cleaning of the ocean floor near offshore platforms in the Gulf coast

    SciTech Connect (OSTI)

    Fang, C.S.; Smith, S.A. Jr.

    1986-03-01

    For decades in offshore drilling, the drill cuttings were separated from the circulating drilling fluid by the shale shaker and hydrocyclone, and discharged to the ocean. The drilling fluid itself was discharged to the ocean intermittently to maintain its required properties during the drilling process. These discharges contain many environmentally undesirable chemicals, such as hydrocarbons chemical additives and heavy metals. As a result, the ocean floor near some of the offshore platforms in the Gulf of Mexico are covered by contaminated sediment. Ocean current is not as effective in washing out the discarded ocean muds as previously believed. An attempt was made to clean some of the offshore platforms in the Gulf of Mexico. The quantity and characteristics of the drilling discharges are estimated the technology used to clean the ocean floor near platforms is described, and advanced treatments for hydrocarbon removal, chemical oxidation and activated carbon adsorption, are discussed. 8 references.

  12. Coal underlying Federal lands in the Gulf of Mexico coastal plain

    SciTech Connect (OSTI)

    Alex W. Karlsen; John R. SanFilipo; Peter D. Warwick

    2002-09-01

    About 6% of the total coa resource was selected for assessment in the Gulf of Mexico Coastal Plain region of the NCRA project underlies federally proclaimed management areas. Of the approximately 11 billion short tons of coal in this category, approximately 37 percent are estimated to be federally owned. Much of the coal in these categories may not be available for mining, and much of it is probably not economically recoverable. The dispersed nature of Federal holdings, the complicated nature of surface and mineral estate ownership, and the existence of various legal and technological restrictions may remove a significant portion of this coal resource from consideration for development. Continuing work by USGS scientists suggests that potentially viable energy resources of coal-bed methane are present within both Federal and non-Federal areas of the Gulf of Mexico Coastal Plain coal-bearing region. 3 refs., 3 figs.

  13. Gupco's experience in treating Gulf of Suez seawater for waterflooding the El Morgan oil field

    SciTech Connect (OSTI)

    El-Hattab, M.I.

    1982-07-01

    Pressure maintenance by waterflooding in some reservoirs may be considered essential for satisfactory oil recovery. The main objective of waterflooding is to place water into a rock formation at both the desired rate and pressure with minimal expense and trouble. This objective, however, cannot be achieved unless this water has certain characteristics. The water, therefore, should be treated and conditioned before injection. This study addresses the treatment phases adopted to improve seawater quality before injection, and to control problems associated with untreated seawater. Also discussed are GUPCO'S (Gulf of Suez Petroleum Co.) experience in seawaterfloods, problems encountered, and corrective actions taken to overcome these problems. The chemical treatment programs adopted are presented along with final conclusions and recommendations that can be applied to similar floods in Egypt with (Gulf of Suez) GOS. 47 refs.

  14. Measurements under salt sheets in the Gulf of Mexico: Observations and inferences

    SciTech Connect (OSTI)

    O'Brien, J.J. ); Lerche, I.; Yu, Z. )

    1993-09-01

    Four wells in the offshore Gulf of Mexico have penetrated through four different salt sheets and into the underlying formations. Interpretations of sonic and density logs, together with mud weight variations, imply highly overpressured regimes below each of the four salt sheets. Models of the development with time of sediments and salt sheets show the estimates of timing and magnitude of this buildup of overpressure. Investigations of both horizontal and tilted sand sheets, together with sheets having a sub-salt thief sand, provide estimates of (1) thermal focusing by the highly conductive salt, (2) timing and magnitude of pressure buildup and bleed off in formations underlying the impermeable salt sheet, and (3) porosity retention by formations below the salt. Importance of salt sheets as an impermeable seal for hydrocarbon retention and high porosity due to overpressure development are significant to exploration assessments in the Gulf of Mexico.

  15. Gulf of Mexico miocene CO₂ site characterization mega transect

    SciTech Connect (OSTI)

    Meckel, Timothy; Trevino, Ramon

    2014-09-30

    This project characterized the Miocene-age sub-seafloor stratigraphy in the near-offshore portion of the Gulf of Mexico adjacent to the Texas coast. The large number of industrial sources of carbon dioxide (CO₂) in coastal counties and the high density of onshore urbanization and environmentally sensitive areas make this offshore region extremely attractive for long-term storage of carbon dioxide emissions from industrial sources (CCS). The study leverages dense existing geologic data from decades of hydrocarbon exploration in and around the study area to characterize the regional geology for suitability and storage capacity. Primary products of the study include: regional static storage capacity estimates, sequestration “leads” and prospects with associated dynamic capacity estimates, experimental studies of CO₂-brine-rock interaction, best practices for site characterization, a large-format ‘Atlas’ of sequestration for the study area, and characterization of potential fluid migration pathways for reducing storage risks utilizing novel high-resolution 3D (HR3D) seismic surveys. In addition, three subcontracted studies address source-to-sink matching optimization, offshore well bore management and environmental aspects. The various geologic data and interpretations are integrated and summarized in a series of cross-sections and maps, which represent a primary resource for any near-term commercial deployment of CCS in the area. The regional study characterized and mapped important geologic features (e.g., Clemente-Tomas fault zone, the regionally extensive Marginulina A and Amphistegina B confining systems, etc.) that provided an important context for regional static capacity estimates and specific sequestration prospects of the study. A static capacity estimate of the majority of the Study area (14,467 mi2) was estimated at 86 metric Gigatonnes. While local capacity estimates are likely to be lower due to reservoir-scale characteristics, the

  16. Egypt`s first remotely controlled subsea completion -- A Gulf of Suez case history

    SciTech Connect (OSTI)

    El Hawary, A.; Hoffman, J.G.

    1995-11-01

    A case history of the Gulf of Suez Petroleum Company`s (GUPCO) first remotely controlled subsea completion is provided. The first completion was for well GS 373-2, a previously drilled and tested exploration well located in the south portion of the Gulf of Suez. Subsea technology was utilized to economically justify development of this one well marginal field which was discovered in 1978. Traditional methods proved to be too costly for development, therefore application of a low cost subsea tree was utilized to capture the resources. In the Gulf of Suez many fields have been discovered by have not been developed due to low reserves. These marginal projects can have a profound impact on the revenue and shareholder value if any economic method is used to exploit these opportunities. Platform installation was not feasible due to reserve size, hence the well has remained abandoned until recently. Capturing the experience of Amoco in the Gulf of Mexico and in the Dutch North Sea, GUPCO was able to build a low cost subsea system which would allow for the economic development of the marginal fields discovered in the past. This paper presents a summarized look at subsea completion technology. The cost comparison of traditional development methods will be made, given the local cost structure in Egypt. The application of this technology has some limitations and constraints which will be discussed in the paper. Furthermore the actual field installation of Egypt`s first remotely controlled subsea tree will be summarized. Also included is a discussion on simple remote controls,and offshore installation operations.

  17. Fact #933: July 11, 2016 Texas, North Dakota, and the Gulf of Mexico Account for Two-Thirds of U.S. Crude Oil Production- Dataset

    Broader source: Energy.gov [DOE]

    Excel file and dataset for Texas, North Dakota, and the Gulf of Mexico Account for Two-Thirds of U.S. Crude Oil Production

  18. Algorithmically scalable block preconditioner for fully implicit shallow-water equations in CAM-SE

    SciTech Connect (OSTI)

    Lott, P. Aaron; Woodward, Carol S.; Evans, Katherine J.

    2014-10-19

    Performing accurate and efficient numerical simulation of global atmospheric climate models is challenging due to the disparate length and time scales over which physical processes interact. Implicit solvers enable the physical system to be integrated with a time step commensurate with processes being studied. The dominant cost of an implicit time step is the ancillary linear system solves, so we have developed a preconditioner aimed at improving the efficiency of these linear system solves. Our preconditioner is based on an approximate block factorization of the linearized shallow-water equations and has been implemented within the spectral element dynamical core within the Community Atmospheric Model (CAM-SE). Furthermore, in this paper we discuss the development and scalability of the preconditioner for a suite of test cases with the implicit shallow-water solver within CAM-SE.

  19. Algorithmically scalable block preconditioner for fully implicit shallow-water equations in CAM-SE

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Lott, P. Aaron; Woodward, Carol S.; Evans, Katherine J.

    2014-10-19

    Performing accurate and efficient numerical simulation of global atmospheric climate models is challenging due to the disparate length and time scales over which physical processes interact. Implicit solvers enable the physical system to be integrated with a time step commensurate with processes being studied. The dominant cost of an implicit time step is the ancillary linear system solves, so we have developed a preconditioner aimed at improving the efficiency of these linear system solves. Our preconditioner is based on an approximate block factorization of the linearized shallow-water equations and has been implemented within the spectral element dynamical core within themore » Community Atmospheric Model (CAM-SE). Furthermore, in this paper we discuss the development and scalability of the preconditioner for a suite of test cases with the implicit shallow-water solver within CAM-SE.« less

  20. Egypt`s first subsea completion: A Gulf of Suez case history

    SciTech Connect (OSTI)

    El Hawary, A.; Hoffman, J.G.

    1996-06-01

    A case history of the Gulf of Suez Petroleum Co.`s (Gupco) first subsea completion is provided. The first completion was for Well GS 373-2, a previously drilled and tested exploration well located in the south portion of the gulf of Suez. Subsea technology was used to economically justify development of this one-well marginal field, which was discovered in 1978. Traditional methods proved to be too costly for development, therefore application of a low-cost subsea tree was used to capture the resources. In the Gulf of Suez, many fields have been discovered but have not been developed because of low reserves. These marginal projects can have a profound impact on the revenue and shareholder value if an economic method is used to exploit these opportunities. Platform installation was not feasible because of reserve size, hence the well has remained abandoned until recently. This paper presents a summarized look at subsea completion technology. The cost comparison of traditional development methods will be made, given the local cost structure in Egypt. The application of this technology has some limitations and constraints that will be discussed in the paper. Furthermore, the actual field installation of Egypt`s first subsea tree will be summarized. Also included is a discussion on simple remote controls and offshore installation operations.

  1. Source and dispersal of silt on northern Gulf of Mexico continental shelf

    SciTech Connect (OSTI)

    Peterson, M.; Mazzullo, J.

    1988-01-01

    The surficial sediment on the continental shelf of the northern Gulf of Mexico is characterized by abundant silty clay which was deposited during the late Pleistocene lowstand and reworked during and after the Holocene transgression. The purposes of this study were to determine the sources of the silt fraction in this surficial sediment by quartz grain roundness and surface texture analysis, and to determine the effects of modern shelf currents upon the distribution of silt. Areal variations in quartz grain roundness and surface texture define six silt provinces on the northern Gulf of Mexico continental shelf. The Mississippi province is the largest province and stretches from the Chandeleur Islands to Matagorda Bay. It is characterized by a mixture of rounded grains that were derived from the sedimentary rocks of the Gulf coastal plain and the Mid-Continent, and angular, fractured grains that were derived from glacial deposits in the northern United States. A comparison of the areal distribution of these six provinces with the late Pleistocene paleogeography of the continental shelf shows evidence for varying degrees of shore-parallel transport of silt by modern shelf currents.

  2. Energy investment advisory series No. 3: Investment opportunities in the Persian Gulf energy sector

    SciTech Connect (OSTI)

    Hadgen, R.E.

    1994-12-01

    Sometimes the greatest investment opportunities are in those areas where the least progress seems to be taking place. This report describes energy-based developments taking place in the Persian/Arabian Gulf. The 8 Gulf states are building their nations; each has large minority groups and swelling populations; their economies are built on one product (hydrocarbons). Large expatriate populations, being integrated into local societies and economies, have led to hostility and guarded access to contacts with the outside world. Gulf nations cannot benefit from any oil price rise as they did in the past, as their populations have grown too rapidly. Policies change daily and can be changed back to original ones as well as into new ones. Since the oil and gas industries are the primary source of government revenue, oil and gas are likely to remain longest under government control. A breakdown of energy-base investment potentials in the Middle East is tabulated: upstream oil, refining, domestic oil marketing, upstream gas, LNG, electricity, petrochemical.

  3. Probabilistic evaluation of shallow groundwater resources at a hypothetical carbon sequestration site

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Dai, Zhenxue; Keating, Elizabeth; Bacon, Diana H.; Viswanathan, Hari; Stauffer, Philip; Jordan, Amy B.; Pawar, Rajesh

    2014-03-07

    Carbon sequestration in geologic reservoirs is an important approach for mitigating greenhouse gases emissions to the atmosphere. This study first develops an integrated Monte Carlo method for simulating CO2 and brine leakage from carbon sequestration and subsequent geochemical interactions in shallow aquifers. Then, we estimate probability distributions of five risk proxies related to the likelihood and volume of changes in pH, total dissolved solids, and trace concentrations of lead, arsenic, and cadmium for two possible consequence thresholds. The results indicate that shallow groundwater resources may degrade locally around leakage points by reduced pH and increased total dissolved solids (TDS). Themore » volumes of pH and TDS plumes are most sensitive to aquifer porosity, permeability, and CO2 and brine leakage rates. The estimated plume size of pH change is the largest, while that of cadmium is the smallest among the risk proxies. Plume volume distributions of arsenic and lead are similar to those of TDS. The scientific results from this study provide substantial insight for understanding risks of deep fluids leaking into shallow aquifers, determining the area of review, and designing monitoring networks at carbon sequestration sites.« less

  4. Probabilistic evaluation of shallow groundwater resources at a hypothetical carbon sequestration site

    SciTech Connect (OSTI)

    Dai, Zhenxue; Keating, Elizabeth; Bacon, Diana H.; Viswanathan, Hari; Stauffer, Philip; Jordan, Amy B.; Pawar, Rajesh

    2014-03-07

    Carbon sequestration in geologic reservoirs is an important approach for mitigating greenhouse gases emissions to the atmosphere. This study first develops an integrated Monte Carlo method for simulating CO2 and brine leakage from carbon sequestration and subsequent geochemical interactions in shallow aquifers. Then, we estimate probability distributions of five risk proxies related to the likelihood and volume of changes in pH, total dissolved solids, and trace concentrations of lead, arsenic, and cadmium for two possible consequence thresholds. The results indicate that shallow groundwater resources may degrade locally around leakage points by reduced pH and increased total dissolved solids (TDS). The volumes of pH and TDS plumes are most sensitive to aquifer porosity, permeability, and CO2 and brine leakage rates. The estimated plume size of pH change is the largest, while that of cadmium is the smallest among the risk proxies. Plume volume distributions of arsenic and lead are similar to those of TDS. The scientific results from this study provide substantial insight for understanding risks of deep fluids leaking into shallow aquifers, determining the area of review, and designing monitoring networks at carbon sequestration sites.

  5. Monitoring and Mitigation Alternatives for Protection of North Atlantic Right Whales during Offshore Wind Farm Installation

    SciTech Connect (OSTI)

    Carlson, Thomas J.; Halvorsen, Michele B.; Matzner, Shari; Copping, Andrea E.; Stavole, Jessica

    2012-09-01

    Progress report on defining and determining monitoring and mitigation measures for protecting North Atlantic Right Whales from the effects of pile driving and other activities associated with installation of offshore wind farms.

  6. Oil and gas developments in Atlantic Coastal Plain and outer continental shelf in 1984

    SciTech Connect (OSTI)

    Giordano, A.C.; Amato, R.V.

    1985-10-01

    Exploratory drilling on the Atlantic outer continental shelf remained at about the same level as in 1983. Two wells were spudded in the Baltimore Canyon Trough. Three were completed and announced as dry holes, one in a world record water depth of 6,952 ft (2,119 m). Onshore in the Atlantic coastal plain, a dry hole was drilled in Colleton County, South Carolina, and another well, drilled in 1982 in Lee County, North Carolina, was plugged and abandoned as a dry hole. North Atlantic Lease Sale 82, which was to be held in 2 parts, was cancelled in late 1984. The International Court of Justice determined the United States-Canada boundary line in the North Atlantic. Seismic data acquisition decreased 41% below the 1983 level to 7,223 line-mi(11,625 line-km).

  7. 2014 SAME Mid-Atlantic Regional Joint Engineer Training Symposium (JETS)

    Broader source: Energy.gov [DOE]

    The Society of American Military Engineers (SAME) presents its Mid-Atlantic Regional Joint Engineer Training Symposium (JETS) with the topic Navigating the New Normal: Partnerships for the Future.

  8. Evaluation of solitary waves as a mechanism for oil transport in poroelastic media: A case study of the South Eugene Island field, Gulf of Mexico basin

    SciTech Connect (OSTI)

    Joshi, Ajit; Appold, Martin S.; Nunn, Jeffrey A.

    2012-11-01

    Hydrocarbons in shallow reservoirs of the Eugene Island 330 field in the Gulf of Mexico basin are thought to have migrated rapidly along low permeability sediments of the Red fault zone as discrete pressure pulses from source rocks at depths of about 4.5 km. The aim of this research was to evaluate the hypothesis that these pressure pulses represent solitary waves by investigating the mechanics of solitary wave formation and motion and wave oil transport capability. A two-dimensional numerical model of Eugene Island minibasin formation predicted overpressures at the hydrocarbon source depth to increase at an average rate of 30 Pa/yr, reaching 52 MPa by the present day and oil velocities of 1E?¢????12 m/yr, far too low for kilometer scale oil transport to fill shallow Plio-Pleistocene reservoirs within the 3.6 million year minibasin history. Calculations from a separate one-dimensional model that used the pressure generation rate from the two-dimensional model showed that solitary waves could only form and migrate within sediments that have very low permeabilities between 1E?¢????25 to 1E?¢????24 m2 and that are highly overpressured to 91-93% of lithostatic pressure. Solitary waves were found to have a maximum pore volume of 105 m3, to travel a maximum distance of 1-2 km, and to have a maximum velocity of 1E?¢????3 m/yr. Based on these results, solitary waves are unlikely to have transported oil to the shallowest reservoirs in the Eugene Island field in a poroelastic fault gouge rheology at the pressure generation rates likely to have been caused by disequilibrium compaction and hydrocarbon generation. However, solitary waves could perhaps be important agents for oil transport in other locations where reservoirs are closer to the source rocks, where the pore space is occupied by more than one fluid, or where sudden fracturing of overpressured hydrocarbon source sediments would allow the solitary waves to propagate as shock waves. Hydrocarbons

  9. EERE Success Story-New Jersey: Atlantic City Jitneys Running on Natural

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Gas | Department of Energy Jersey: Atlantic City Jitneys Running on Natural Gas EERE Success Story-New Jersey: Atlantic City Jitneys Running on Natural Gas November 6, 2013 - 12:45pm Addthis In 2009, the New Jersey Clean Cities Coalition was one of 25 recipients to receive funding from the EERE Clean Cities' Alternative Fuel and Advanced Technology Vehicles Pilot Program. The approximately $15 million in funding allowed he city to purchase nearly 300 compressed natural gas vehicles,

  10. Heat flow in the northwest Atlantic (abstract) (Conference) | SciTech

    Office of Scientific and Technical Information (OSTI)

    Connect Heat flow in the northwest Atlantic (abstract) Citation Details In-Document Search Title: Heat flow in the northwest Atlantic (abstract) Authors: Hobart, M.A. [1] ; Herman, B.M. ; Langseth, M.G. ; Sclater, J.G. ; Crowe, J. + Show Author Affiliations (Lamont-Doherty Geological Observatory, Palisades, NY) Publication Date: 1977-06-01 OSTI Identifier: 5202016 Resource Type: Conference Resource Relation: Journal Name: EOS, Trans., Am. Geophys. Union; (United States); Journal Volume:

  11. Predicted impacts from offshore produced water discharges on hypoxia in the Gulf of Mexico.

    SciTech Connect (OSTI)

    Bierman, V. J.; Hinz, S.C.; Justic, D.; Scavia, D.; Veil, J. A.; Satterlee, K.; Parker, M. E.; Wilson, S.; Environmental Science Division; LimnoTech.; Louisiana State Univ.; Univ of Michigan; Shell E&P Co.; Exxon Mobil Production Co.; U.S. EPA

    2008-06-01

    Summer hypoxia (dissolved oxygen < 2 mg/L) in the bottom waters of the northern Gulf of Mexico has received considerable scientific and policy attention because of potential ecological and economic impacts. This hypoxic zone forms off the Louisiana coast each summer and has increased from an average of 8,300 km{sup 2} in 1985-1992 to over 16,000 km{sup 2} in 1993-2001, reaching a record 22,000 km{sup 2} in 2002. The almost threefold increase in nitrogen load from the Mississippi River Basin (MRB) to the Gulf since the middle of the last century is the primary external driver for hypoxia. A goal of the 2001 Federal Action Plan is to reduce the 5-year running average size of the hypoxic zone to below 5,000 km{sup 2} by 2015. After the Action Plan was developed, a new question arose as to whether sources other than the MRB may also contribute significant quantities of oxygen-demanding substances. One very visible potential source is the hundreds of offshore oil and gas platforms located within or near the hypoxic zone, many of which discharge varying volumes of produced water. The objectives of this study were to assess the incremental impacts of produced water discharges on dissolved oxygen in the northern Gulf of Mexico, and to evaluate the significance of these discharges relative to loadings from the MRB. Predictive simulations were conducted with three existing models of Gulf hypoxia using produced water loads from an industry study. Scenarios were designed that addressed loading uncertainties, settleability of suspended constituents, and different assumptions on delivery locations for the produced water loads. Model results correspond to the incremental impacts of produced water loads, relative to the original model results, which included only loads from the MRB. The predicted incremental impacts of produced water loads on dissolved oxygen in the northern Gulf of Mexico from all three models were small. Even considering the predicted ranges between lower- and

  12. The Alternative Fuel Price Report

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    New England New England New England Central Atlantic Central Atlantic Central Atlantic Central Atlantic Lower Atlantic Lower Atlantic Lower Atlantic Lower Atlantic Gulf Coast Gulf Coast Gulf Coast Gulf Coast West Coast West Coast West Coast West Coast Rocky Mountain Rocky Mountain Rocky Mountain Rocky Mountain Midwest Midwest Midwest Midwest Map of U.S. Regions Map of U.S. Regions Map of U.S. Regions Map of U.S. Regions THE ALTERNATIVE FUEL PRICE REPORT Alternative Fuel Prices Across the Nation

  13. South Atlantic summary report 2. Revision of Outer Continental Shelf oil and gas activities in the South Atlantic (US) and their onshore impacts

    SciTech Connect (OSTI)

    Deis, J.L.; Kurz, F.N.; Porter, E.O.

    1982-05-01

    The search for oil and gas on the Outer Continental Shelf (OCS) in the South Atlantic Region began in 1960, when geophysical surveys of the area were initiated. In 1977, a Continental Offshore Stratigraphic Test (COST) well was drilled in the Southeast Georgia Embayment. In March 1978, the first lease sale, Sale 43, was held, resulting in the leasing of 43 tracts. Approximately a year later, in May 1979, the first exploratory drilling began, and by February 1980, six exploratory wells had been drilled by four companies. Hydrocarbons were not found in any of these wells. Lease Sale 56, the second lease sale in the South Atlantic Region, was held in August 1981. The sale resulted in the leasing of 47 tracts. Most of the leased tracts are in deep water along the Continental Slope off North Carolina. To date, no drilling has occurred on these tracts, but it is likely that two wells will be drilled or will be in the process of being drilled by the end of 1982. Reoffering Sale RS-2 is scheduled for July 1982, and it will include tracts offered in Lease Sale 56 that were not awarded leases. Lease Sale 78 is scheduled to be held in July 1983. The most recent (March 1982) estimates of risked resources for leased lands in the South Atlantic OCS are 27 million barrels of oil and 120 billion cubic feet of gas. To date, onshore impacts resulting from OCS exploration have been minimal, and they were associated with Lease Sale 43 exploratory activities. In June 1981, the South Atlantic Regional Technical Working Group prepared a Regional Transportation Management Plan for the South Atlantic OCS. The plan is principally an integration of regulatory frameworks, policies, and plans that are applicable to pipeline siting from each of the South Atlantic coastal States and Federal agencies with jurisdiction in the area.

  14. Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data: Workshop to Establish Coordination & Communication: Appendix C, Compendium of Pre-Workshop Answers for Mid-Atlantic Survey & Modeling Efforts

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    & Communication Appendix C: Compendium of Pre-Workshop Answers for Mid-Atlantic Survey & Modeling Efforts July 2013 Appendix C: Compendium of Pre-Workshop Answers 1 Mid-Atlantic Survey & Modeling Efforts Prepared by Participants in Advance of: Mid-Atlantic Marine Wildlife Surveys, Modeling and Data: Workshop to Establish Coordination & Communication 1 These responses were provided by workshop participants in advance of the workshop. This appendix records the verbatim responses

  15. SUPPORT OF GULF OF MEXICO HYDRATE RESEARCH CONSORTIUM: ACTIVITIES TO SUPPORT ESTABLISHMENT OF A SEA FLOOR MONITORING STATION PROJECT

    SciTech Connect (OSTI)

    Paul Higley; J. Robert Woolsey; Ralph Goodman; Vernon Asper; Boris Mizaikoff; Angela Davis

    2005-09-01

    A Consortium, designed to assemble leaders in gas hydrates research, has been established at the University of Mississippi's Center for Marine Resources and Environmental Technology, CMRET. The primary objective of the group is to design and emplace a remote monitoring station on the sea floor in the northern Gulf of Mexico by the year 2005, in an area where gas hydrates are known to be present at, or just below, the sea floor. This mission necessitates assembling a station that will monitor physical and chemical parameters of the sea water and sea floor sediments on a more-or-less continuous basis over an extended period of time. Development of the station allows for the possibility of expanding its capabilities to include biological monitoring, as a means of assessing environmental health. Establishment of the Consortium has succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among researchers in this relatively new research arena. Complementary expertise, both scientific and technical, has been assembled to promote innovative research methods and construct necessary instrumentation. Noteworthy achievements six months into the extended life of this cooperative agreement include: (1) Progress on the vertical line array (VLA) of sensors: Analysis and repair attempts of the VLA used in the deep water deployment during October 2003 have been completed; Definition of an interface protocol for the VLA DATS to the SFO has been established; Design modifications to allow integration of the VLA to the SFO have been made; Experience gained in the deployments of the first VLA is being applied to the design of the next VLAs; One of the two planned new VLAs being modified to serve as an Oceanographic Line Array (OLA). (2) Progress on the Sea Floor Probe: The decision to replace the Sea Floor Probe technology with the borehole emplacement of a geophysical array was reversed due to the 1300m water depth at the JIP

  16. Labor, nationalism, and imperialism in eastern Arabia: Britain, the Shaikhs, and the Gulf oil workers in Bahrain, Kuwait and Qatar, 1932-1956

    SciTech Connect (OSTI)

    Saleh, H.M.A.

    1991-01-01

    This study examines the lack of a noticeable indigenous labor movement in the contemporary Gulf Arab countries of Bahrain, Kuwait and Qatar; it focuses on the emergence, after the discovery of oil, of an industrial Gulf labor force, and on the evolution of the British policy towards oil and Gulf oil workers. The period examined begins with the discovery of oil in Bahrain in 1932 (the first such discovery on the Arab side of the Gulf), and ends with the Suez Crisis of 1956. The latter is a watershed event in Gulf history. It is argued that the Suez Crisis was in large part responsible for the long-term defeat of the indigenous labor movement in the Gulf. Attention is given to the parts played by the British Government of India, the Foreign Office, the local Shaikhs, the Gulf nationalists, and by the workers themselves. Policies towards workers passed through two different periods. In the first, 1932-1945, the Government of India had no direct interest in the Gulf labor situation; in the second, 1946-1956, the Foreign Office took increased interest in the welfare of local oil workers, primarily because of the importance of oil to reconstruction of the British economy after the war. However, the Suez Crisis in 1956 convinced the British to withdraw their support for the workers.

  17. Local Arsenic Structure in Shallow Implants in Si following SPER: an EXAFS and MEIS study

    SciTech Connect (OSTI)

    Pepponi, G.; Giubertoni, D.; Gennaro, S.; Bersani, M.; Anderle, M.; Grisenti, R.; Werner, M.; Berg, J. A. van den

    2006-11-13

    Solid phase epitaxial regrowth (SPER) has been investigated in the last few years as a possible method to form ultra shallow dopant distributions in silicon with a high level of electrical. Despite the interest for this process, few investigations were related to arsenic. Apart from the fact that it is easier to form shallow distribution with arsenic than with boron, it is also well known that at the moderate temperatures implied by SPER (500-700 deg. C) arsenic easily deactivates, probably by forming inactive clusters around point defects in silicon. In order to have a better understanding of the SPER process for arsenic implanted silicon in shallow regime, an EXAFS (extended x-ray absorption fine structure) and MEIS (medium energy ion scattering) study is reported in this paper. Silicon samples were implanted at 3 keV with arsenic ions (dose was 2E15 at/cm2 producing a 11 nm amorphous layer) and then annealed in nitrogen at temperatures ranging from 500 to 700 deg. C to have different levels of recrystallisation. From the comparison of the recrystallised fraction as measured by MEIS with the electrical activation measured by Hall effect it results evident that a full regrowth of the lattice is not reflected by a high electrical activation. The activated arsenic corresponds to less than one third of the apparently substitutional dopant for all the samples analyzed. This lack of activation was further investigated by EXAFS: the samples that according to MEIS are fully recrystallised do not reveal a clear local order around As atoms suggesting that either the As atoms are not yet completely relocated within the lattice sites or a deactivation occurred resulting in a more disordered local structure.

  18. S. 83: A Bill to ensure the preservation of the Gulf of Mexico by establishing within the Environmental Protection Agency a Gulf of Mexico Program. Introduced in the Senate of the United States, One Hundred Third Congress, First Session, January 21, 1993

    SciTech Connect (OSTI)

    Not Available

    1993-01-01

    S. 83 may be cited as the [open quotes]Gulf of Mexico Preservation Act of 1993.[close quotes] This Bill discusses findings pertaining to resources in the Gulf of Mexico, describes the establishment of the Gulf of Mexico Program, defines the establishment and duties of the Gulf of Mexico Program Office, and proposes a study of international issues. This Bill also includes an assessment to be prepared by the Administrator, a monitoring, management, protection and restoration plan, a grant program, authorization of appropriations, administrative provisions, and the relationship of the Bill to existing federal and state laws and international treaties.

  19. Ab initio calculations of the electronic structure of silicon nanocrystals doped with shallow donors (Li, P)

    SciTech Connect (OSTI)

    Kurova, N. V. Burdov, V. A.

    2013-12-15

    The results of ab initio calculations of the electronic structure of Si nanocrystals doped with shallow donors (Li, P) are reported. It is shown that phosphorus introduces much more significant distortions into the electronic structure of the nanocrystal than lithium, which is due to the stronger central cell potential of the phosphorus ion. It is found that the Li-induced splitting of the ground state in the conduction band of the nanocrystal into the singlet, doublet, and triplet retains its inverse structure typical for bulk silicon.

  20. Rectified motion of a Bose-Einstein condensate in a horizontally vibrating shallow optical lattice

    SciTech Connect (OSTI)

    Azizi, Y.; Valizadeh, A.

    2011-01-15

    We consider a Bose-Einstein condensate, described by the Gross-Pitaevskii equation, in a horizontally vibrating shallow optical lattice. We study the dynamics of a bright soliton using the collective coordinate approximation. We show that depending on the parameters, amplitude, and frequency of the vibration of the lattice, the phase space of the equation of motion for the soliton center of mass shows multistability. In the frequency locked regions, in which the soliton has a nonzero average velocity determined by the external frequency, the motion is quasiperiodic, and between the locked regions the soliton moves chaotically.

  1. Ogaden Basin subsidence history: Another key to the Red Sea-Gulf of Aden tectonic puzzle

    SciTech Connect (OSTI)

    Pigott, J.D.; Neese, D.; Carsten, G.

    1995-08-01

    Previous work has attempted to understand the tectonic evolution of the Red Sea-Gulf of Aden region through a focus upon plate kinematics and reconstruction of plate interactions in a two dimensional sense. A significant complement to the three dimensional puzzle can be derived from a critical examination of the vertical component, tectonic subsidence analysis. By removing the isostatic contributions of sediment loading and unloading, and fluctuations in sea level, the remaining thermal-mechanical contribution to a basin`s subsidence can be determined. Such an analysis of several Ogaden Basin wells reveals multiple pulses of tectonic subsidence and uplift which correspond to far-field tectonic activities in the Red Sea and Gulf of Aden. One of the more dramatic is a Jurassic tectonic pulse circa 145-130 m.a., and a later extensional event which correlates to a major subsidence event ubiquitous through-out the Gulf of Aden, related to Gondwana Land breakup activities. Tectonic uplift during the Tertiary coincides with early Red Sea rifting episodes. Such activities suggest the Ogaden Basin has been a relatively stable East African cratonic basin, but with heating-extension events related to nearby plate interactions. In terms of hydrocarbon generation, the use of steady state present day geothermal gradients, coupled with subsidence analysis shows that potential Paleozoic and Mesozoic source rocks initiated generation as early as the Jurassic. The generating potential of Paleozoic source rocks would only be exacerbated by later heating events. Furthermore, cooling and tectonic uplift during the Tertiary would tend to arrest on-going hydrocarbon generation for Jurassic source rocks in the Ogaden area.

  2. Oil, shrimp, mangroves: an evaluation of contingency planning for the Gulf of Guayaquil, Ecuador. Technical report

    SciTech Connect (OSTI)

    Filho, I.P.

    1983-10-01

    The possibility of finding oil in the Gulf of Guayaquil has led several Ecuadorian agencies to prepare contingency plans to deal with the eventuality of an oil spill in the area. This report characterizes the importance of the oil and fisheries industries to the Ecuadorian economy, and describes the region where these activities may conflict. It also elaborates on the biological effects of oil in tropical environments, and on aspects of prevention, control/clean- up and oil spill contingency planning. Compensation for oil pollution damages and methods for damage assessment are also discussed herein.

  3. Bird Movements and Behaviors in the Gulf Coast Region: Relation to Potential Wind-Energy Developments

    SciTech Connect (OSTI)

    Morrison, M. L.

    2006-06-01

    The purpose of this paper is to discuss the possible impacts of wind development to birds along the lower Gulf Coast, including both proposed near-shore and offshore developments. The report summarizes wind resources in Texas, discusses timing and magnitude of bird migration as it relates to wind development, reviews research that has been conducted throughout the world on near- and offshore developments, and provides recommendations for research that will help guide wind development that minimizes negative impacts to birds and other wildlife resources.

  4. Potential Economic Impacts from Offshore Wind in the Gulf of Mexico Region (Fact Sheet)

    SciTech Connect (OSTI)

    Flores, F.; Keyser, D.; Tegen, S.

    2014-01-01

    Offshore wind is a clean, renewable source of energy and can be an economic driver in the United States. To better understand the employment opportunities and other potential regional economic impacts from offshore wind development, the U.S. Department of Energy (DOE) funded research that focuses on four regions of the country. The studies use multiple scenarios with various local job and domestic manufacturing content assumptions. Each regional study uses the new offshore wind Jobs and Economic Development Impacts (JEDI) model, developed by the National Renewable Energy Laboratory. This fact sheet summarizes the potential economic impacts for the Gulf of Mexico region.

  5. Price of Gulf Gateway Natural Gas LNG Imports from Qatar (Dollars per

    U.S. Energy Information Administration (EIA) Indexed Site

    Thousand Cubic Feet) Qatar (Dollars per Thousand Cubic Feet) Price of Gulf Gateway Natural Gas LNG Imports from Qatar (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- 9.47 -- -- 2010's -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Price of Liquefied Natural Gas

  6. Price of Gulf Gateway Natural Gas LNG Imports from Trinidad and Tobago

    U.S. Energy Information Administration (EIA) Indexed Site

    (Dollars per Thousand Cubic Feet) Trinidad and Tobago (Dollars per Thousand Cubic Feet) Price of Gulf Gateway Natural Gas LNG Imports from Trinidad and Tobago (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- 7.31 7.30 -- -- 2010's -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring

  7. Price of Gulf of Mexico Natural Gas LNG Imports (Nominal Dollars per

    U.S. Energy Information Administration (EIA) Indexed Site

    Thousand Cubic Feet) (Nominal Dollars per Thousand Cubic Feet) Price of Gulf of Mexico Natural Gas LNG Imports (Nominal Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- 8.87 7.31 8.36 -- -- 2010's -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Price of Liquefied

  8. Price of Gulf of Mexico Natural Gas LNG Imports from Malaysia (Nominal

    U.S. Energy Information Administration (EIA) Indexed Site

    Dollars per Thousand Cubic Feet) Malaysia (Nominal Dollars per Thousand Cubic Feet) Price of Gulf of Mexico Natural Gas LNG Imports from Malaysia (Nominal Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- 6.67 -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016 Referring Pages: U.S. Price of

  9. Price of Gulf of Mexico Natural Gas LNG Imports from Nigeria (Nominal

    U.S. Energy Information Administration (EIA) Indexed Site

    Dollars per Thousand Cubic Feet) Nigeria (Nominal Dollars per Thousand Cubic Feet) Price of Gulf of Mexico Natural Gas LNG Imports from Nigeria (Nominal Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- 11.11 -- 8.29 -- -- 2010's -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 08/31/2016 Next Release Date: 09/30/2016

  10. Preliminary report on shallow research drilling in the Salton Sea region

    SciTech Connect (OSTI)

    Newmark, R.L.; Kasameyer, P.W.; Younker, L.W.

    1988-01-14

    During two shallow thermal drilling programs, thermal measurements were obtained in 56 shallow (76.2 m) and one intermediate (457.3 m) depth holes located both onshore and offshore along the southern margin of the Salton Sea in the Imperial Valley, California. These data complete the surficial coverage of the thermal anomaly, revealing the shape and lateral extent of the hydrothermal system. The thermal data show the region of high thermal gradients to extend only a short distance offshore to the north of the Quaternary volcanic domes which are exposed along the southern shore of the Salton Sea. The central thermal anomaly has an arcuate shape, about 4 km wide and 12 km long. Across the center of the anomaly, the transition zone between locations exhibiting high thermal gradients and those exhibiting regional thermal gradients is quite narrow. Thermal gradients rise from near regional (0.09/degree/C/m) to extreme (0.83/degree/C/m) in only 2.4 km. The heat flow in the central part of the anomaly is greater than 600 mW/m/sup 2/ and in some areas exceeds 1200 mW/m/sup 2/. The shape of the thermal anomaly is asymmetric with respect to the line of volcanoes previously thought to represent the center of the field, with its center line offset south of the volcanic buttes. There is no broad thermal anomaly associated with the magnetic high that extends offshore to the northeast from the volcanic domes.

  11. Development of a low background liquid scintillation counter for a shallow underground laboratory

    SciTech Connect (OSTI)

    Erchinger, Jennifer L.; Aalseth, Craig E.; Bernacki, Bruce E.; Douglas, Matthew; Fuller, Erin S.; Keillor, Martin E.; Morley, Shannon M.; Mullen, Crystal A.; Orrell, John L.; Panisko, Mark E.; Warren, Glen A.; Williams, Russell O.; Wright, Michael E.

    2015-08-20

    Pacific Northwest National Laboratory has recently opened a shallow underground laboratory intended for measurement of lowconcentration levels of radioactive isotopes in samples collected from the environment. The development of a low-background liquid scintillation counter is currently underway to further augment the measurement capabilities within this underground laboratory. Liquid scintillation counting is especially useful for measuring charged particle (e.g., B, a) emitting isotopes with no (orvery weak) gamma-ray yields. The combination of high-efficiency detection of charged particle emission in a liquid scintillation cocktail coupled with the low-background environment of an appropriately-designed shield located in a clean underground laboratory provides the opportunity for increased-sensitivity measurements of a range of isotopes. To take advantage of the 35-meter water-equivalent overburden of the underground laboratory, a series of simulations have evaluated the instrumental shield design requirements to assess the possible background rate achievable. This report presents the design and background evaluation for a shallow underground, low background liquid scintillation counter design for sample measurements.

  12. A smooth landscape: ending saddle point inflation requires features to be shallow

    SciTech Connect (OSTI)

    Battefeld, Diana; Battefeld, Thorsten E-mail: tbattefe@astro.physik.uni-goettingen.de

    2013-07-01

    We consider inflation driven near a saddle point in a higher dimensional field space, which is the most likely type of slow roll inflation on the string theoretical landscape; anthropic arguments need to be invoked in order to find a sufficiently flat region. To give all inflatons large masses after inflation and yield a small but positive cosmological constant, the trajectory in field space needs to terminate in a hole on the inflationary plateau, introducing a curved end-of-inflation hypersurface. We compute non-Gaussianities (bi- and tri-spectrum) caused by this curved hyper-surface and find a negative, potentially large, local non-linearity parameter. To be consistent with current observational bounds, the hole needs to be shallow, i.e. considerably wider than deep in natural units. To avoid singling out our vacuum as special (i.e. more special than a positive cosmological constant entails), we deduce that all features on field space should be similarly shallow, severely limiting the type of landscapes one may use for inflationary model building. We justify the use of a truncated Fourier series with random coefficients, which are suppressed the higher the frequency, to model such a smooth landscape by a random potential, as is often done in the literature without a good a priory reason.

  13. Broadband Processing in a Noisy Shallow Ocean Environment: A Particle Filtering Approach

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Candy, J. V.

    2016-04-14

    Here we report that when a broadband source propagates sound in a shallow ocean the received data can become quite complicated due to temperature-related sound-speed variations and therefore a highly dispersive environment. Noise and uncertainties disrupt this already chaotic environment even further because disturbances propagate through the same inherent acoustic channel. The broadband (signal) estimation/detection problem can be decomposed into a set of narrowband solutions that are processed separately and then combined to achieve more enhancement of signal levels than that available from a single frequency, thereby allowing more information to be extracted leading to a more reliable source detection.more » A Bayesian solution to the broadband modal function tracking, pressure-field enhancement, and source detection problem is developed that leads to nonparametric estimates of desired posterior distributions enabling the estimation of useful statistics and an improved processor/detector. In conclusion, to investigate the processor capabilities, we synthesize an ensemble of noisy, broadband, shallow-ocean measurements to evaluate its overall performance using an information theoretical metric for the preprocessor and the receiver operating characteristic curve for the detector.« less

  14. Influence of Permian salt dissolution on distribution of shallow Niobrara gas fields, eastern Colorado

    SciTech Connect (OSTI)

    Oldham, D.W.; Smosna, R.A.

    1996-06-01

    Subsurface analysis of Permian salt and related strata in the shallow Niobrara gas area on the eastern flank of the Denver basin reveals that the location of faulted anticlines which produce gas from porous chalk is related to the occurrence of six Nippewalla Group (Leonardian) salt zones. Salt distribution is controlled by the configuration of evaporate basins during the Leonardian, truncation at a sub-Jurassic unconformity (which has completely removed Guadalupian salts), and post-Jurassic subsurface dissolution. Significant dissolution took place in response to Laramide orogeny and subsequent eastward regional groundwater flow within the Lyons (Cedar Hills) Sandstone aquifer. Initially, dissolution occurred along a regional facies change from sandstone to salt. Solution collapse allowed for cross-formational flow and removal of younger salts. Shallow Niobrara gas fields are situated above salt outliers or along regionally updip salt edges. No significant Niobrara production exists in areas where salt is absent. Structural relief across fields is related to Leonardian thickness variations, rather than subsalt offset. Seismic data reveal abrupt Leonardian thinning at the regionally updip limit of Eckley field, which has produced over 33 BCFG. Thickness of residual salt may be important in controlling the amount of gas trapped within the Niobrara. Where thick salts are preserved, structural relief is greater, the gas-water transition zone is thicker, and gas saturation is higher at the crests of faulted anticlines.

  15. SUPPORT OF GULF OF MEXICO HYDRATE RESEARCH CONSORTIUM: ACTIVITIES TO SUPPORT ESTABLISHMENT OF A SEA FLOOR MONITORING STATION PROJECT

    SciTech Connect (OSTI)

    Paul Higley; J. Robert Woolsey; Ralph Goodman; Vernon Asper; Boris Mizaikoff; Angela Davis

    2005-11-01

    A Consortium, designed to assemble leaders in gas hydrates research, has been established at the University of Mississippi's Center for Marine Resources and Environmental Technology, CMRET. The primary objective of the group is to design and emplace a remote monitoring station on the sea floor in the northern Gulf of Mexico by the year 2005, in an area where gas hydrates are known to be present at, or just below, the sea floor. This mission necessitates assembling a station that will monitor physical and chemical parameters of the sea water and sea floor sediments on a more-or-less continuous basis over an extended period of time. Development of the station allows for the possibility of expanding its capabilities to include biological monitoring, as a means of assessing environmental health. Establishment of the Consortium has succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among researchers in this relatively new research arena. Complementary expertise, both scientific and technical, has been assembled to promote innovative research methods and construct necessary instrumentation. Noteworthy achievements one year into the extended life of this cooperative agreement include: (1) Progress on the vertical line array (VLA) of sensors: (1a) Repair attempts of the VLA cable damaged in the October >1000m water depth deployment failed; a new design has been tested successfully. (1b) The acoustic modem damaged in the October deployment was repaired successfully. (1c) Additional acoustic modems with greater depth rating and the appropriate surface communications units have been purchased. (1d) The VLA computer system is being modified for real time communications to the surface vessel using radio telemetry and fiber optic cable. (1e) Positioning sensors--including compass and tilt sensors--were completed and tested. (1f) One of the VLAs has been redesigned to collect near sea floor geochemical data. (2

  16. A Vorticity-Divergence Global Semi-Lagrangian Spectral Model for the Shallow Water Equations

    SciTech Connect (OSTI)

    Drake, JB

    2001-11-30

    The shallow water equations modeling flow on a sphere are useful for the development and testing of numerical algorithms for atmospheric climate and weather models. A new formulation of the shallow water equations is derived which exhibits an advective form for the vorticity and divergence. This form is particularly well suited for numerical computations using a semi-Lagrangian spectral discretization. A set of test problems, standard for the shallow water equations on a sphere, are solved and results compared with an Eulerian spectral model. The semi-Lagrangian transport method was introduced into atmospheric modeling by Robert, Henderson, and Turnbull. A formulation based on a three time level integration scheme in conjunction with a finite difference spatial discretization was studied by Ritchie. Two time level grid point schemes were derived by Bates et al. Staniforth and Cote survey developments of the application of semi-Lagrangian transport (SLT) methods for shallow water models and for numerical weather prediction. The spectral (or spherical harmonic transform) method when combined with a SLT method is particularly effective because it allows for long time steps avoiding the Courant-Friedrichs-Lewy (CFL) restriction of Eulerian methods, while retaining accurate (spectral) treatment of the spatial derivatives. A semi-implicit, semi-Lagrangian formulation with spectral spatial discretization is very effective because the Helmholz problem arising from the semi-implicit time integration can be solved cheaply in the course of the spherical harmonic transform. The combination of spectral, semi-Lagrangian transport with a semi-implicit time integration schemes was first proposed by Ritchie. A advective formulation using vorticity and divergence was introduced by Williamson and Olson. They introduce the vorticity and divergence after the application of the semi-Lagrangian discretization. The semi-Lagrangian formulation of Williamson and Olson and Bates et al. has

  17. Oil and gas developments in Atlantic coastal plain and outer Continental Shelf in 1981

    SciTech Connect (OSTI)

    Giordano, A.C.; Amato, R.V.

    1982-11-01

    Exploratory drilling in the Atlantic coastal plain region increased in 1981. Eight wells were drilled, 5 of which were completed for a total footage of 71,439 ft (21,780 m). Four of the wells were located in the Baltimore Canyon Trough area and 4 were located in the Georges Bank basin. No exploratory wells were drilled in the Southeast Georgia Embayment or in the onshore portion of this region in 1981. The 5 completed wells were reported as dry holes. Two lease sales were held in 1981: OCS Lease Sale 56 drew bids on 47 tracts for a total of $342,766,174 in the South Atlantic and OCS Lease Sale 59 drew bids on 50 tracts for a total of $321,981,000 in the Mid-Atlantic. Geophysical activity provided a total of 24,470 line-mi (39,380 line-km) of seismic data.

  18. Oil and gas developments in Atlantic Coastal Plain and Outer Continental Shelf in 1983

    SciTech Connect (OSTI)

    Giordano, A.C.; Carpenter, G.B.; Amato, R.V.

    1984-10-01

    Exploratory drilling in the Atlantic coastal plain region declined slightly in 1983. Four wells were spudded during the year: 2 in the offshore Baltimore Canyon area and 2 onshore in Lee County, North Carolina. One North Carolina well was drilled, and the other was being tested at year end. In April, 4050 tracts were offered in the mid-Atlantic lease offering (OCS Sale 76), the first area-wide offering of offshore oil and gas leases under the Department of the Interior's new streamlined leasing system. Bids of $86,822,680 were exposed on 40 tracts, and 37 tracts were subsequently leased. In July 3, 082 tracts were offered in the south Atlantic lease offering (OCS Sale 78). Bids of $14,562,040 were exposed on 11 tracts, and all high bids were accepted. Seismic data acquisition decreased 64% below the 1982 level to 13,166 line-mi (21,189 line-km). 3 figures, 2 tables.

  19. Wind Turbine Wake-Redirection Control at the Fishermen's Atlantic City Windfarm: Preprint

    SciTech Connect (OSTI)

    Churchfield, M.; Fleming, P.; Bulder, B.; White, S.

    2015-05-06

    In this paper, we will present our work towards designing a control strategy to mitigate wind turbine wake effects by redirecting the wakes, specifically applied to the Fishermen’s Atlantic City Windfarm (FACW), proposed for deployment off the shore of Atlantic City, New Jersey. As wind turbines extract energy from the air, they create low-speed wakes that extend behind them. Full wake recovery Full wake recovery to the undisturbed wind speed takes a significant distance. In a wind energy plant the wakes of upstream turbines may travel downstream to the next row of turbines, effectively subjecting them to lower wind speeds, meaning these waked turbines will produce less power.

  20. Advection of sulfur dioxide over the western Atlantic Ocean during CITE 3

    SciTech Connect (OSTI)

    Thornton, D.C.; Bandy, A.R.; Beltz, N.; Driedger, A.R. III; Ferek, R. ||

    1993-12-01

    During the NASA Chemical Instrumentation Test and Evaluation 3 sulfur intercomparison over the western Atlantic Ocean, five techniques for the determination of sulfur dioxide were evaluated. The response times of the techniques varied from 3 to 30 min. Based on the ensemble of measurements reported, it was clear that advection of SO2 from the North American continent occurred in the boundary layer (altitude less than 1 km) with only one exception. The vertical distribution of SO2 above the boundary layer for the northern and southern Atlantic Ocean was remarkably similar duing this experiment.

  1. Gulf of Mexico Sales 147 and 150: Central and Western planning areas. Final environmental impact statement, Volume 1: Sections 1 through 4.C

    SciTech Connect (OSTI)

    Not Available

    1993-11-01

    This Final Environmental Impact Statement (EIS) covers the proposed 1994 Gulf of Mexico OCS oil and gas lease sales [Central Gulf of Mexico Sale 147 (March 1994) and Western Gulf of Mexico Sale 150 (August 1994)]. This document includes the purpose and background of the proposed actions, the alternatives, the descriptions of the affected environment, and the potential environmental impacts of the proposed actions and alternatives. Proposed mitigating measures and their effects are analyzed, in addition to potential cumulative impacts resulting from proposed activities.

  2. Emerging energy security issues: Natural gas in the Gulf Nations, An overview of Middle East resources, export potentials, and markets. Report Series No. 4

    SciTech Connect (OSTI)

    Ripple, R.D.; Hagen, R.E.

    1995-09-01

    This paper proceeds with a presentation of the natural gas resource base of the Gulf nations of the Middle East. The resource base is put in the context of the world natural gas resource and trade flows. This is followed by a discussion of the existing and planned project to move Gulf natural gas to consuming regions. Then a discussion of the source of demand in the likely target markets for the Gulf resource follows. Next, the nature of LNG pricing is discussed. A brief summary concludes the paper.

  3. High resolution, shallow seismic reflection survey of the Pen Branch fault

    SciTech Connect (OSTI)

    Stieve, A.

    1991-05-15

    The purpose of this project, at the Savannah River River Site (SRS) was to acquire, process, and interpret 28 km (17.4 miles) of high resolution seismic reflection data taken across the trace of the Pen Branch fault and other suspected, intersecting north-south trending faults. The survey was optimized for the upper 300 ft of geologic strata in order to demonstrate the existence of very shallow, flat lying horizons, and to determine the depth of the fault or to sediments deformed by the fault. Field acquisition and processing parameters were selected to define small scale spatial variability and structural features in the vicinity of the Pen Branch fault leading to the definition and the location of the Pen Branch fault, the shallowest extent of the fault, and the quantification of the sense and magnitude of motion. Associated geophysical, borehole, and geologic data were incorporated into the investigation to assist in the determination of optimal parameters and aid in the interpretation.

  4. Accelerating Time Integration for the Shallow Water Equations on the Sphere Using GPUs

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Archibald, R.; Evans, K. J.; Salinger, A.

    2015-06-01

    The push towards larger and larger computational platforms has made it possible for climate simulations to resolve climate dynamics across multiple spatial and temporal scales. This direction in climate simulation has created a strong need to develop scalable time-stepping methods capable of accelerating throughput on high performance computing. This work details the recent advances in the implementation of implicit time stepping on a spectral element cube-sphere grid using graphical processing units (GPU) based machines. We demonstrate how solvers in the Trilinos project are interfaced with ACME and GPU kernels can significantly increase computational speed of the residual calculations in themore » implicit time stepping method for the shallow water equations on the sphere. We show the optimization gains and data structure reorganization that facilitates the performance improvements.« less

  5. Accelerating Time Integration for the Shallow Water Equations on the Sphere Using GPUs

    SciTech Connect (OSTI)

    Archibald, R.; Evans, K. J.; Salinger, A.

    2015-06-01

    The push towards larger and larger computational platforms has made it possible for climate simulations to resolve climate dynamics across multiple spatial and temporal scales. This direction in climate simulation has created a strong need to develop scalable time-stepping methods capable of accelerating throughput on high performance computing. This work details the recent advances in the implementation of implicit time stepping on a spectral element cube-sphere grid using graphical processing units (GPU) based machines. We demonstrate how solvers in the Trilinos project are interfaced with ACME and GPU kernels can significantly increase computational speed of the residual calculations in the implicit time stepping method for the shallow water equations on the sphere. We show the optimization gains and data structure reorganization that facilitates the performance improvements.

  6. The impact of a shallow biobarrier on water recharge patterns in a semi-arid environment

    SciTech Connect (OSTI)

    Laundre, J.W.

    1997-12-31

    This study attempted to measure the effect of a shallow biobarrier of gravel and cobble on water flow patterns during spring snow melt and recharge. The design consisted of 30 metal culverts 3 m in diameter and 1.6 m long, positioned on end. Test culverts contained 50-cm biobarrier of gravel or cobble and then an additional 50 cm of soil placed above the barrier layer. A neutron probe was used to measure soil moisture above and below the barrier. Measurements were made in the fall and again immediately after snow melt in the spring. During recharge, the biobarriers provided a capillary break which resulted in a pooling of water above the barrier layer. With sufficient snowmelt, the water can penetrate the break and possibly penetrate deeper than in the absence of the barrier layer.

  7. An adaptive multiblock high-order finite-volume method for solving the shallow-water equations on the sphere

    SciTech Connect (OSTI)

    McCorquodale, Peter; Ullrich, Paul A.; Johansen, Hans; Colella, Phillip

    2015-06-16

    We present a high-order finite-volume approach for solving the shallow-water equations on the sphere, using multiblock grids on the cubed-sphere. This approach combines a Runge--Kutta time discretization with a fourth-order accurate spatial discretization, and includes adaptive mesh refinement and refinement in time. Results of tests show fourth-order convergence for the shallow-water equations as well as for advection in a highly deformational flow. Hierarchical adaptive mesh refinement allows solution error to be achieved that is comparable to that obtained with uniform resolution of the most refined level of the hierarchy, but with many fewer operations.

  8. An adaptive multiblock high-order finite-volume method for solving the shallow-water equations on the sphere

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    McCorquodale, Peter; Ullrich, Paul; Johansen, Hans; Colella, Phillip

    2015-09-04

    We present a high-order finite-volume approach for solving the shallow-water equations on the sphere, using multiblock grids on the cubed-sphere. This approach combines a Runge--Kutta time discretization with a fourth-order accurate spatial discretization, and includes adaptive mesh refinement and refinement in time. Results of tests show fourth-order convergence for the shallow-water equations as well as for advection in a highly deformational flow. Hierarchical adaptive mesh refinement allows solution error to be achieved that is comparable to that obtained with uniform resolution of the most refined level of the hierarchy, but with many fewer operations.

  9. Shallow Cavity Flow Tone Experiments: Onset of Locked-On States

    SciTech Connect (OSTI)

    D. Rockwell; J.C. Lin; P. Oshkai; M. Reiss; M. Pollack

    2000-09-05

    Fully turbulent inflow past a shallow cavity is investigated for the configuration of an axisymmetric cavity mounted in a pipe. Emphasis is on conditions giving rise to coherent oscillations, which can lead to locked-on states of flow tones in the pipe-cavity system. Unsteady surface pressure measurements are interpreted using three-dimensional representations of amplitude-frequency-inflow velocity; these representations are constructed for a range of cavity depth. Assessment of these data involves a variety of approaches. Evaluation of pressure gradients on plan views of the three-dimensional representations allows extraction of the frequencies of the instability (Strouhal) modes of the cavity oscillation. These frequency components are correlated with traditional models originally formulated for cavities in a free-stream. In addition, they are normalized using two length scales; inflow boundary-layer thickness and pipe diameter. These scales are consistent with those employed for the hydrodynamic instability of the separated shear layer, and are linked to the large-scale mode of the shear layer oscillation, which occurs at relatively long cavity length. In fact, a simple scaling based on pipe diameter can correlate the frequencies of the dominant peaks over a range of cavity depth. The foregoing considerations provide evidence that pronounced flow tones can be generated from a fully-turbulent inflow at very low Mach number, including the limiting case of fully-developed turbulent flow in a pipe. These tones can arise even for the extreme case of a cavity having a length over an order of magnitude longer than its depth. Suppression of tones is generally achieved if the cavity is sufficiently shallow.

  10. Assessing the Impact of Animal Waste Lagoon Seepage on the Geochemistry of an Underlying Shallow Aquifer

    SciTech Connect (OSTI)

    McNab, W W; Singleton, M J; Moran, J E; Esser, B K

    2006-03-07

    Dairy facilities and similar confined animal operation settings pose a significant nitrate contamination threat via oxidation of animal wastes and subsequent transport to shallow groundwater. While nitrate contamination resulting from application of animal manure as fertilizer to fields is well recognized, the impact of manure lagoon leakage on groundwater quality is less well characterized. In this study, a dairy facility located in the southern San Joaquin Valley of California has been instrumented with monitoring wells as part of a two-year multidisciplinary study to evaluate nitrate loading and denitrification associated with facility operations. Among multiple types of data collected from the site, groundwater and surface water samples have been analyzed for major cations, anions, pH, oxidation-reduction potential, dissolved organic carbon, and selected dissolved gases (CO{sub 2}, CH{sub 4}, N{sub 2}, Ar, Ne). Modeling of putative geochemical processes occurring within the dairy site manure lagoons shows substantial off-gassing of CO{sub 2} and CH{sub 4} in response to mineralization of organic matter. The gas ebullition appears to strip dissolved gases, including Ar and Ne, from the lagoon water leaving concentrations that are undersaturated with respect to the atmosphere. The resulting fractionated dissolved gas signature serves as an effective tracer for the lagoon water in the underlying shallow groundwater and can be used to constrain inverse geochemical models that assess mixing fractions of lagoon water and local groundwater water. Together with ion exchange and mineral equilibria reactions, identification of lagoon seepage helps explain key attributes of the local groundwater chemistry, including input and cycling of nitrogen, across the site.

  11. Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) Science Plan

    SciTech Connect (OSTI)

    Fast, JD; Berg, LK

    2015-12-01

    Cumulus convection is an important component in the atmospheric radiation budget and hydrologic cycle over the Southern Great Plains and over many regions of the world, particularly during the summertime growing season when intense turbulence induced by surface radiation couples the land surface to clouds. Current convective cloud parameterizations contain uncertainties resulting in part from insufficient coincident data that couples cloud macrophysical and microphysical properties to inhomogeneities in boundary layer and aerosol properties. The Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) campaign is designed to provide a detailed set of measurements that are needed to obtain a more complete understanding of the life cycle of shallow clouds by coupling cloud macrophysical and microphysical properties to land surface properties, ecosystems, and aerosols. HI-SCALE consists of 2, 4-week intensive observational periods, one in the spring and the other in the late summer, to take advantage of different stages and distribution of “greenness” for various types of vegetation in the vicinity of the Atmospheric Radiation and Measurement (ARM) Climate Research Facility’s Southern Great Plains (SGP) site as well as aerosol properties that vary during the growing season. Most of the proposed instrumentation will be deployed on the ARM Aerial Facility (AAF) Gulfstream 1 (G-1) aircraft, including those that measure atmospheric turbulence, cloud water content and drop size distributions, aerosol precursor gases, aerosol chemical composition and size distributions, and cloud condensation nuclei concentrations. Routine ARM aerosol measurements made at the surface will be supplemented with aerosol microphysical properties measurements. The G-1 aircraft will complete transects over the SGP Central Facility at multiple altitudes within the boundary layer, within clouds, and above clouds.

  12. Scientific Objectives of the Gulf of Mexico Gas Hydrate JIP Leg II Drilling

    SciTech Connect (OSTI)

    Jones, E.; Latham, T.; McConnell, D.; Frye, M.; Hunt, J.; Shedd, W.; Shelander, D.; Boswell, R.M.; Rose, K.K.; Ruppel, C.; Hutchinson, D.; Collett, T.; Dugan, B.; Wood, W.

    2008-05-01

    The Gulf of Mexico Methane Hydrate Joint Industry Project (JIP) has been performing research on marine gas hydrates since 2001 and is sponsored by both the JIP members and the U.S. Department of Energy. In 2005, the JIP drilled the Atwater Valley and Keathley Canyon exploration blocks in the Gulf of Mexico to acquire downhole logs and recover cores in silt- and clay-dominated sediments interpreted to contain gas hydrate based on analysis of existing 3-D seismic data prior to drilling. The new 2007-2009 phase of logging and coring, which is described in this paper, will concentrate on gas hydrate-bearing sands in the Alaminos Canyon, Green Canyon, and Walker Ridge protraction areas. Locations were selected to target higher permeability, coarser-grained lithologies (e.g., sands) that have the potential for hosting high saturations of gas hydrate and to assist the U.S. Minerals Management Service with its assessment of gas hydrate resources in the Gulf of Mexico. This paper discusses the scientific objectives for drilling during the upcoming campaign and presents the results from analyzing existing seismic and well log data as part of the site selection process. Alaminos Canyon 818 has the most complete data set of the selected blocks, with both seismic data and comprehensive downhole log data consistent with the occurrence of gas hydrate-bearing sands. Preliminary analyses suggest that the Frio sandstone just above the base of the gas hydrate stability zone may have up to 80% of the available sediment pore space occupied by gas hydrate. The proposed sites in the Green Canyon and Walker Ridge areas are also interpreted to have gas hydrate-bearing sands near the base of the gas hydrate stability zone, but the choice of specific drill sites is not yet complete. The Green Canyon site coincides with a 4-way closure within a Pleistocene sand unit in an area of strong gas flux just south of the Sigsbee Escarpment. The Walker Ridge site is characterized by a sand

  13. Interannual Modulation of Subtropical Atlantic Boreal Summer Dust Variability by ENSO

    SciTech Connect (OSTI)

    DeFlorio, Mike; Goodwin, Ian D.; Cayan, Dan; Miller, Arthur J.; Ghan, Steven J.; Pierce, David; Russell, Lynn M.; Singh, Balwinder

    2016-01-01

    Dust variability in the climate system has been studied for several decades, yet there remains an incomplete understanding of the dynamical mechanisms controlling interannual and decadal variations in dust transport. The sparseness of multi-year observational datasets has limited our understanding of the relationship between climate variations and atmospheric dust. We use available observations and a century-length fully coupled Community Earth System Model (CESM) simulation to show that the El Niño- Southern Oscillation (ENSO) exerts a control on North African dust transport during boreal summer. In CESM, this relationship is stronger over the dusty tropical North Atlantic than near Barbados, one of the few sites having a multi-decadal observed record. During strong La Niña summers in CESM, a statistically significant increase in lower tropospheric easterly wind is associated with an increase in North African dust transport over the Atlantic. Barbados dust and Pacific SST variability are only weakly correlated in both observations and CESM, suggesting that other processes are controlling the crossbasin variability of dust. We also use our CESM simulation to show that the relationship between downstream North African dust transport and ENSO fluctuates on multidecadal timescales and may be modulated by the North Atlantic Oscillation (NAO). Our findings indicate that existing observations of dust over the tropical North Atlantic are not extensive enough to completely describe the variability of dust and dust transport, and demonstrate the importance of global models to supplement and interpret observational records.

  14. The Gulf Oil Spill: Ecogenomics and Ecoresilience (Keynote - 2011 JGI User Meeting)

    ScienceCinema (OSTI)

    Hazen, Terry [LBNL

    2011-06-03

    The U.S. Department of Energy Joint Genome Institute (JGI) invited scientists interested in the application of genomics to bioenergy and environmental issues, as well as all current and prospective users and collaborators, to attend the annual DOE JGI Genomics of Energy & Environment Meeting held March 22-24, 2011 in Walnut Creek, Calif. The emphasis of this meeting was on the genomics of renewable energy strategies, carbon cycling, environmental gene discovery, and engineering of fuel-producing organisms. The meeting features presentations by leading scientists advancing these topics. Berkeley Lab microbial ecologist Terry Hazen delivers a keynote on "The Gulf Oil Spill: Ecogenomics and Ecoresilience" at the 6th Genomics of Energy & Environment Meeting on March 22, 2011.

  15. Oil, Water, and Wildlife: The Gulf of Mexico Disaster and Related Environmental Issues

    ScienceCinema (OSTI)

    Bickman, John W. [Purdue University, West Lafayette, Indiana, United States

    2010-09-01

    The BP Macondo oil field spill in the Gulf of Mexico is the largest oil spill in U.S. history and has the potential to impact sea turtle and marine mammal populations, and others. This presentation will review the genotoxic effects of oil exposure in wildlife and discuss the potential for an oil spill to impact wildlife populations. Whereas some aspects of a spill are predictable, each spill is different because oils are highly variable, as are the environments in which they occur. The presentation will discuss what has been learned from previous spills, including the Exxon Valdez and the soviet oil legacy in Azerbaijan, and the potential dangers of offshore oil development in the Arctic. Related Purdue University research efforts in oil-spill related engineering and science also will be highlighted.

  16. The Gulf Oil Spill: Ecogenomics and Ecoresilience (Keynote - 2011 JGI User Meeting)

    SciTech Connect (OSTI)

    Hazen, Terry [LBNL] [LBNL

    2011-03-22

    The U.S. Department of Energy Joint Genome Institute (JGI) invited scientists interested in the application of genomics to bioenergy and environmental issues, as well as all current and prospective users and collaborators, to attend the annual DOE JGI Genomics of Energy & Environment Meeting held March 22-24, 2011 in Walnut Creek, Calif. The emphasis of this meeting was on the genomics of renewable energy strategies, carbon cycling, environmental gene discovery, and engineering of fuel-producing organisms. The meeting features presentations by leading scientists advancing these topics. Berkeley Lab microbial ecologist Terry Hazen delivers a keynote on "The Gulf Oil Spill: Ecogenomics and Ecoresilience" at the 6th Genomics of Energy & Environment Meeting on March 22, 2011.

  17. Radiocarbon-Based Ages and Growth Rates of Bamboo Corals from the Gulf of Alaska

    SciTech Connect (OSTI)

    Roark, E B; Guilderson, T P; Flood-Page, S; Dunbar, R B; Ingram, B L; Fallon, S J; McCulloch, M

    2004-12-12

    Deep-sea coral communities have long been recognized by fisherman as areas that support large populations of commercial fish. As a consequence, many deep-sea coral communities are threatened by bottom trawling. Successful management and conservation of this widespread deep-sea habitat requires knowledge of the age and growth rates of deep-sea corals. These organisms also contain important archives of intermediate and deep-water variability, and are thus of interest in the context of decadal to century-scale climate dynamics. Here, we present {Delta}{sup 14}C data that suggest that bamboo corals from the Gulf of Alaska are long-lived (75-126 years) and that they acquire skeletal carbon from two distinct sources. Independent verification of our growth rate estimates and coral ages is obtained by counting seasonal Sr/Ca cycles and probable lunar cycle growth bands.

  18. Prospecting with pressures, temperatures, and velocities in the northwest Gulf of Mexico

    SciTech Connect (OSTI)

    Enciso, G. ); Griffith, D.P. )

    1993-09-01

    In the northwest Gulf of Mexico, an empirical relationship exists between subsurface pressure, bottom-hole temperature, and seismic velocity. The pressure, velocity, and temperature patterns are controlled by sedimentation and faulting. Hydrologic fluid pressures and resulting fluid flow can be predicted and mapped by making use of mud weights, seismic velocities, and bottom-hole temperatures. Pressure, velocity, and temperature data have been compiled into extensive computer databases. This has allowed us to manipulate the data for the preparation of regional hydrodynamic head, seismic interval velocity, and isotherm maps. The application of this pressure-velocity-temperature relationship has led to the detection of an underpressured reservoir in the Oligocene's clastic section of southwest Louisiana. The prediction of the sandy underpressured zone with interval velocity analysis provides a useful tool to explore seismically for the fluviodeltaic sands in this area.

  19. Inversion of salt diapirs and sedimentary bed observations: Gulf Coast case histories

    SciTech Connect (OSTI)

    Petersen, K.; Lerche, I. )

    1993-09-01

    An inverse procedure is used to remove sediments from around salt diapirs in a manner consistent with evolution of the salt diapir, which also is determined self-consistently by the inverse procedure. The corresponding evolving stress and strain of the sediments are then calculated from use of specified Lame constants, and the times and spatial domains identified where the Coulomb-Mohr rock failure criterion is satisfied, thereby yielding estimates of fault and fracture locations. In addition, the combined evolutionary picture is used to assess thermal focusing by the highly conductive evolving salt, so that thermal anomalies in relation to hydrocarbon maturation around the evolving salt and structural development of sediment bed upturning and salt overhang evolution can be timed better relative to hydrocarbon emplacement. Several examples from the Gulf of Mexico are analyzed using this new inversion procedure.

  20. Oil, Water, and Wildlife: The Gulf of Mexico Disaster and Related Environmental Issues

    SciTech Connect (OSTI)

    Bickman, John W.

    2010-08-04

    The BP Macondo oil field spill in the Gulf of Mexico is the largest oil spill in U.S. history and has the potential to impact sea turtle and marine mammal populations, and others. This presentation will review the genotoxic effects of oil exposure in wildlife and discuss the potential for an oil spill to impact wildlife populations. Whereas some aspects of a spill are predictable, each spill is different because oils are highly variable, as are the environments in which they occur. The presentation will discuss what has been learned from previous spills, including the Exxon Valdez and the soviet oil legacy in Azerbaijan, and the potential dangers of offshore oil development in the Arctic. Related Purdue University research efforts in oil-spill related engineering and science also will be highlighted.

  1. Summary Report on Information Technology Integration Activities For project to Enhance NASA Tools for Coastal Managers in the Gulf of Mexico and Support Technology Transfer to Mexico

    SciTech Connect (OSTI)

    Gulbransen, Thomas C.

    2009-04-27

    Deliverable to NASA Stennis Space Center summarizing summarizes accomplishments made by Battelle and its subcontractors to integrate NASA's COAST visualization tool with the Noesis search tool developed under the Gulf of Mexico Regional Collaborative project.

  2. Effectiveness of Shallow Temperatures Surveys to Target a Geothermal Reservoir at Previously Explored Sites at McGee Mountain, Nevada

    Broader source: Energy.gov [DOE]

    DOE Geothermal Peer Review 2010 - Presentation. Project Objectives: To evaluate the cost-effectiveness of two innovative technologies in early-stage geothermal exploration:a) shallow (2m) survey; b) hydroprobe; and Identify a geothermal resource at the project site.

  3. Results from shallow research drilling at Inyo Domes, Long Valley Caldera, California and Salton Sea geothermal field, Salton Trough, California

    SciTech Connect (OSTI)

    Younker, L.W.; Eichelberger, J.C.; Kasameyer, P.W.; Newmark, R.L.; Vogel, T.A.

    1987-09-01

    This report reviews the results from two shallow drilling programs recently completed as part of the United States Department of Energy Continental Scientific Drilling Program. The purpose is to provide a broad overview of the objectives and results of the projects, and to analyze these results in the context of the promise and potential of research drilling in crustal thermal regimes. The Inyo Domes drilling project has involved drilling 4 shallow research holes into the 600-year-old Inyo Domes chain, the youngest rhyolitic event in the coterminous United States and the youngest volcanic event in Long Valley Caldera, California. The purpose of the drilling at Inyo was to understand the thermal, chemical and mechanical behavior of silicic magma as it intrudes the upper crust. This behavior, which involves the response of magma to decompression and cooling, is closely related to both eruptive phenomena and the establishment of hydrothermal circulation. The Salton Sea shallow research drilling project involved drilling 19 shallow research holes into the Salton Sea geothermal field, California. The purpose of this drilling was to bound the thermal anomaly, constrain hydrothermal flow pathways, and assess the thermal budget of the field. Constraints on the thermal budget links the local hydrothermal system to the general processes of crustal rifting in the Salton Trough.

  4. Permeability and porosity of hydrate-bearing sediments in the northern Gulf of Mexico

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Daigle, Hugh; Cook, Ann; Malinverno, Alberto

    2015-10-14

    Hydrate-bearing sands are being actively explored because they contain the highest concentrations of hydrate and are the most economically recoverable hydrate resource. However, relatively little is known about the mechanisms or timescales of hydrate formation, which are related to methane supply, fluid flux, and host sediment properties such as permeability. We used logging-while-drilling data from locations in the northern Gulf of Mexico to develop an effective medium theory-based model for predicting permeability based on clay-sized sediment fraction. The model considers permeability varying between sand and clay endpoint permeabilities that are defined from laboratory data. We verified the model using permeabilitymore » measurements on core samples from three boreholes, and then used the model to predict permeability in two wells drilled in Walker Ridge Block 313 during the Gulf of Mexico Gas Hydrate Joint Industry Project Leg II expedition in 2009. We found that the cleanest sands (clay-sized fraction <0.05) had intrinsic (hydrate-free) permeability contrasts of 5-6 orders of magnitude with the surrounding clays, which is sufficient to provide focused hydrate formation due to advection of methane from a deep source or diffusion of microbial methane from nearby clay layers. In sands where the clay-sized fraction exceeds 0.05, the permeability reduces significantly and focused flow is less pronounced. In these cases, diffusion of dissolved microbial methane is most likely the preferred mode of methane supply for hydrate formation. In conclusion, our results provide important constraints on methane supply mechanisms in the Walker Ridge area and have global implications for evaluating rates of methane migration and hydrate formation in hydrate-bearing sands.« less

  5. Permeability and porosity of hydrate-bearing sediments in the northern Gulf of Mexico

    SciTech Connect (OSTI)

    Daigle, Hugh; Cook, Ann; Malinverno, Alberto

    2015-10-14

    Hydrate-bearing sands are being actively explored because they contain the highest concentrations of hydrate and are the most economically recoverable hydrate resource. However, relatively little is known about the mechanisms or timescales of hydrate formation, which are related to methane supply, fluid flux, and host sediment properties such as permeability. We used logging-while-drilling data from locations in the northern Gulf of Mexico to develop an effective medium theory-based model for predicting permeability based on clay-sized sediment fraction. The model considers permeability varying between sand and clay endpoint permeabilities that are defined from laboratory data. We verified the model using permeability measurements on core samples from three boreholes, and then used the model to predict permeability in two wells drilled in Walker Ridge Block 313 during the Gulf of Mexico Gas Hydrate Joint Industry Project Leg II expedition in 2009. We found that the cleanest sands (clay-sized fraction <0.05) had intrinsic (hydrate-free) permeability contrasts of 5-6 orders of magnitude with the surrounding clays, which is sufficient to provide focused hydrate formation due to advection of methane from a deep source or diffusion of microbial methane from nearby clay layers. In sands where the clay-sized fraction exceeds 0.05, the permeability reduces significantly and focused flow is less pronounced. In these cases, diffusion of dissolved microbial methane is most likely the preferred mode of methane supply for hydrate formation. In conclusion, our results provide important constraints on methane supply mechanisms in the Walker Ridge area and have global implications for evaluating rates of methane migration and hydrate formation in hydrate-bearing sands.

  6. Sea Water Radiocarbon Evolution in the Gulf of Alaska: 2002 Observations

    SciTech Connect (OSTI)

    Guilderson, T P; Roark, E B; Quay, P D; Flood-Page, S R; Moy, C

    2005-04-08

    Oceanic uptake and transport of bomb radiocarbon as {sup 14}CO{sub 2} created by atmospheric nuclear weapons testing in the 1950s and 1960s has been a useful diagnostic to determine the carbon transfer between the ocean and atmosphere. In addition, the distribution of radiocarbon in the ocean can be used as a tracer of oceanic circulation. Results obtained from samples collected in the Gulf of Alaska in the summer of 2002 provide a direct comparison with results in the 1970s during GEOSECS and in the early 1990s during WOCE. The open gyre values are 20-40{per_thousand} more negative than those documented in 1991 and 1993 (WOCE) although the general trends as a function of latitude are reproduced. Surface values are still significantly higher than pre-bomb levels ({approx}-105{per_thousand} or lower). In the central gyre, we observe {Delta}{sup 14}C-values that are lower in comparison to GEOSECS (stn 218) and WOCE P16/P17 to a density of {approx}26.8{sigma}t. This observation is consistent with the overall decrease in surface {Delta}{sup 14}C values, and reflects the erosion of the bomb-{sup 14}C transient. We propose that erosion of the bomb-{sup 14}C transient is accomplished by entrainment of low {sup 14}C water via vertical exchange within the Gulf of Alaska and replenishment of surface and sub-thermocline waters with waters derived from the far northwest Pacific.

  7. Review of the NURE Assessment of the U.S. Gulf Coast Uranium Province

    SciTech Connect (OSTI)

    Hall, Susan M.

    2013-09-15

    Historic exploration and development were used to evaluate the reliability of domestic uranium reserves and potential resources estimated by the U.S. Department of Energy national uranium resource evaluation (NURE) program in the U.S. Gulf Coast Uranium Province. NURE estimated 87 million pounds of reserves in the $30/lb U{sub 3}O{sub 8} cost category in the Coast Plain uranium resource region, most in the Gulf Coast Uranium Province. Since NURE, 40 million pounds of reserves have been mined, and 38 million pounds are estimated to remain in place as of 2012, accounting for all but 9 million pounds of U{sub 3}O{sub 8} in the reserve or production categories in the NURE estimate. Considering the complexities and uncertainties of the analysis, this study indicates that the NURE reserve estimates for the province were accurate. An unconditional potential resource of 1.4 billion pounds of U{sub 3}O{sub 8}, 600 million pounds of U{sub 3}O{sub 8} in the forward cost category of $30/lb U{sub 3}O{sub 8} (1980 prices), was estimated in 106 favorable areas by the NURE program in the province. Removing potential resources from the non-productive Houston embayment, and those reserves estimated below historic and current mining depths reduces the unconditional potential resource 33% to about 930 million pounds of U{sub 3}O{sub 8}, and that in the $30/lb cost category 34% to 399 million pounds of U{sub 3}O{sub 8}. Based on production records and reserve estimates tabulated for the region, most of the production since 1980 is likely from the reserves identified by NURE. The potential resource predicted by NURE has not been developed, likely due to a variety of factors related to the low uranium prices that have prevailed since 1980.

  8. Exploration model for shallow Silurian (Kankakee) carbonate reservoirs in western Illinois

    SciTech Connect (OSTI)

    Crockett, J.E.; Seyler, B.J.; Whitaker, S.

    1987-09-01

    Reservoirs in shallow (600-650 ft deep) basal Silurian Kankakee carbonates at Buckhorn consolidated, Siloam, and Kellerville oil fields in western Illinois have produced nearly 2 million bbl of oil, but were developed essentially by random drilling. A new exploration model that combines lithologic studies and isopach mapping has been developed at the Illinois State Geological Survey. Isopach mapping of Silurian and Devonian rocks between an organic facies in the Mississippian-Devonian New Albany Shale and the top of the Ordovician Maquoketa Shale reveals thickened sequences that coincide with most of the oil fields. These thickened intervals apparently reflect subtle paleovalleys eroded into the Maquoketa shale during the Ordovician-Silurian hiatus. During the initial Silurian marine transgression, these paleovalleys at the base of the Kankakee were filled with carbonates to form the thickened sequences. Differential erosion at the top of the Kankakee does not satisfactorily explain the locally thickened sequences in the Kankakee. Lithologic studies suggest that subsurface fluid flows concentrated along these paleovalleys contributed to subsequent diagenesis of valleyfill carbonates. Diagenetic alteration of these carbonates resulted in development of basal Kankakee reservoirs within the paleovalleys. This concept of Kankakee reservoirs occurring within paleovalleys at the Ordovician-Silurian unconformity is a new exploration model that can aid in the search for similar traps in western Illinois.

  9. Monitoring and Numerical Modeling of Shallow CO{sub 2} Injection, Greene County, Missouri

    SciTech Connect (OSTI)

    Rovey, Charles; Gouzie, Douglas; Biagioni, Richard

    2013-09-30

    The project titled Monitoring and Numerical Modeling of Shallow CO{sub 2} Injection, Greene County, Missouri provided training for three graduate students in areas related to carbon capture and storage. Numerical modeling of CO{sub 2} injection into the St. Francois aquifer at the Southwest Power Plant Site in Greene County, Missouri indicates that up to 4.1 x 10{sup 5} metric tons of CO{sub 2} per year could be injected for 30 years without exceeding a 3 MPa differential injection pressure. The injected CO{sub 2} would remain sequestered below the top of the overlying caprock (St. Francois confining unit) for more than 1000 years. Geochemical modeling indicates that portions of the injected CO{sub 2} will react rapidly with trace minerals in the aquifer to form various solid carbonate mineral phases. These minerals would store significant portions of injected CO{sub 2} over geologic time scales. Finally, a GIS data base on the pore-fluid chemistry of the overlying aquifer system in Missouri, the Ozark aquifer, was compiled from many sources. This data base could become useful in monitoring for leakage from future CO{sub 2} sequestration sites.

  10. Quantifying shallow subsurface water and heat dynamics using coupled hydrological-thermal-geophysical inversion

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Tran, Anh Phuong; Dafflon, Baptiste; Hubbard, Susan S.; Kowalsky, Michael B.; Long, Philip; Tokunaga, Tetsu K.; Williams, Kenneth H.

    2016-08-31

    Improving our ability to estimate the parameters that control water and heat fluxes in the shallow subsurface is particularly important due to their strong control on recharge, evaporation and biogeochemical processes. The objectives of this study are to develop and test a new inversion scheme to simultaneously estimate subsurface hydrological, thermal and petrophysical parameters using hydrological, thermal and electrical resistivity tomography (ERT) data. The inversion scheme – which is based on a nonisothermal, multiphase hydrological model – provides the desired subsurface property estimates in high spatiotemporal resolution. A particularly novel aspect of the inversion scheme is the explicit incorporation of themore » dependence of the subsurface electrical resistivity on both moisture and temperature. The scheme was applied to synthetic case studies, as well as to real datasets that were autonomously collected at a biogeochemical field study site in Rifle, Colorado. At the Rifle site, the coupled hydrological-thermal-geophysical inversion approach well predicted the matric potential, temperature and apparent resistivity with the Nash–Sutcliffe efficiency criterion greater than 0.92. Synthetic studies found that neglecting the subsurface temperature variability, and its effect on the electrical resistivity in the hydrogeophysical inversion, may lead to an incorrect estimation of the hydrological parameters. The approach is expected to be especially useful for the increasing number of studies that are taking advantage of autonomously collected ERT and soil measurements to explore complex terrestrial system dynamics.« less

  11. Medium-speed diesel propulsion plant for new shallow-draft LPG tankers

    SciTech Connect (OSTI)

    Not Available

    1993-09-01

    Propulsion equipment from engine builder Krupp MaK and power transmission specialist Lohmann Stolterfoht has been specified for a series of liquefied petroleum gas tankers being built for various customers by Pattje Shipyards, of Waterhuizen, Holland. Pattje reports that the tankers are built using an innovative system of modular construction that has led to the very short building time of only nine months per ship. The tankers have a capacity of 4200 m[sup 3] of gas and a draft of only 5.2 m when fully loaded, to enable the use of shallow water ports. Further particulars of the vessels include an overall length of 100 m, beam dimension of 15.9 m and maximum speed of 14 knots. The tankers' propulsion system is based on a single, in-line, nine-cylinder type 9M453C medium-speed diesel from the [open quotes]C[close quotes] engine series of Krupp MaK, Kiel, Germany. The 33.8 L/cyl engine (bore 320 x stroke 420 mm) develops 3000 kW at 600 r/min. 2 figs.

  12. THE STELLAR MASS GROWTH OF BRIGHTEST CLUSTER GALAXIES IN THE IRAC SHALLOW CLUSTER SURVEY

    SciTech Connect (OSTI)

    Lin, Yen-Ting; Brodwin, Mark; Gonzalez, Anthony H.; Bode, Paul; Eisenhardt, Peter R. M.; Stanford, S. A.; Vikhlinin, Alexey

    2013-07-01

    The details of the stellar mass assembly of brightest cluster galaxies (BCGs) remain an unresolved problem in galaxy formation. We have developed a novel approach that allows us to construct a sample of clusters that form an evolutionary sequence, and have applied it to the Spitzer IRAC Shallow Cluster Survey (ISCS) to examine the evolution of BCGs in progenitors of present-day clusters with mass of (2.5-4.5) Multiplication-Sign 10{sup 14} M{sub Sun }. We follow the cluster mass growth history extracted from a high resolution cosmological simulation, and then use an empirical method that infers the cluster mass based on the ranking of cluster luminosity to select high-z clusters of appropriate mass from ISCS to be progenitors of the given set of z = 0 clusters. We find that, between z = 1.5 and 0.5, the BCGs have grown in stellar mass by a factor of 2.3, which is well-matched by the predictions from a state-of-the-art semi-analytic model. Below z = 0.5 we see hints of differences in behavior between the model and observation.

  13. Hα star formation rates of z > 1 galaxy clusters in the IRAC shallow cluster survey

    SciTech Connect (OSTI)

    Zeimann, Gregory R.; Stanford, S. A.; Brodwin, Mark; Gonzalez, Anthony H.; Mancone, Conor; Snyder, Gregory F.; Stern, Daniel; Eisenhardt, Peter; Dey, Arjun; Moustakas, John

    2013-12-20

    We present Hubble Space Telescope near-IR spectroscopy for 18 galaxy clusters at 1.0 Shallow Cluster Survey. We use Wide Field Camera 3 grism data to spectroscopically identify Hα emitters in both the cores of galaxy clusters as well as in field galaxies. We find a large cluster-to-cluster scatter in the star formation rates within a projected radius of 500 kpc, and many of our clusters (∼60%) have significant levels of star formation within a projected radius of 200 kpc. A stacking analysis reveals that dust reddening in these star-forming galaxies is positively correlated with stellar mass and may be higher in the field than the cluster at a fixed stellar mass. This may indicate a lower amount of gas in star-forming cluster galaxies than in the field population. Also, Hα equivalent widths of star-forming galaxies in the cluster environment are still suppressed below the level of the field. This suppression is most significant for lower mass galaxies (log M {sub *} < 10.0 M {sub ☉}). We therefore conclude that environmental effects are still important at 1.0

  14. Leakage of CO2 from geologic storage: Role of secondaryaccumulation at shallow depth

    SciTech Connect (OSTI)

    Pruess, K.

    2007-05-31

    Geologic storage of CO2 can be a viable technology forreducing atmospheric emissions of greenhouse gases only if it can bedemonstrated that leakage from proposed storage reservoirs and associatedhazards are small or can be mitigated. Risk assessment must evaluatepotential leakage scenarios and develop a rational, mechanisticunderstanding of CO2 behavior during leakage. Flow of CO2 may be subjectto positive feedbacks that could amplify leakage risks and hazards,placing a premium on identifying and avoiding adverse conditions andmechanisms. A scenario that is unfavorable in terms of leakage behavioris formation of a secondary CO2 accumulation at shallow depth. This paperdevelops a detailed numerical simulation model to investigate CO2discharge from a secondary accumulation, and evaluates the role ofdifferent thermodynamic and hydrogeologic conditions. Our simulationsdemonstrate self-enhancing as well as self-limiting feedbacks.Condensation of gaseous CO2, 3-phase flow of aqueous phase -- liquid CO2-- gaseous CO2, and cooling from Joule-Thomson expansion and boiling ofliquid CO2 are found to play important roles in the behavior of a CO2leakage system. We find no evidence that a subsurface accumulation of CO2at ambient temperatures could give rise to a high-energy discharge, aso-called "pneumatic eruption."

  15. Geochemical and physical properties of soils and shallow sediments at the Savannah River Site

    SciTech Connect (OSTI)

    Looney, B.B.; Eddy, C.A.; Ramdeen, M.; Pickett, J. ); Rogers, V. . Savannah River Site Savannah River Lab., Aiken, SC ); Scott, M.T.; Shirley, P.A. )

    1990-08-31

    A program to characterize the geochemical and physical properties of the unimpacted soils and shallow sediments at the Savannah River Site (SRS) has been completed. The maximum, minimum, median, standard deviation, and mean values for metals, radionuclides, inorganic anions, organic compounds, and agricultural indicator parameters are summarized for six soil series that were identified as representative of the 29 soil series at SRS. The soils from unimpacted areas of SRS are typical of soils found in moderately aggressive weathering environments, including the southeastern United States. Appendix 8 organic compounds were detected in all samples. Since these constituents are not generally present in soil, this portion of the investigation was intended to assess possible laboratory artifacts. An additional objective of the SRS Soil Study was to determine if the composition of the split spoon sampler biased chemical analysis of the soils. Twenty-five duplicate samples were analyzed for a number of metals, radiological and agricultural parameters, and organics by two laboratories currently contracted with to analyze samples during waste site characterization. In all cases, the absolute values of the average differences are relatively small compared to the overall variability in the population. 31 refs., 14 figs., 48 tabs.

  16. Pen Branch fault program: Consolidated report on the seismic reflection surveys and the shallow drilling

    SciTech Connect (OSTI)

    Stieve, A.L.; Stephenson, D.E.; Aadland, R.K.

    1991-03-23

    The Pen Branch fault was identified in the subsurface at the Savannah River Site (SRS) in 1989 based upon interpretation of earlier seismic reflection surveys and other geologic investigations (Seismorgraph Services Incorp., 1973; Chapman and DiStefano, 1989; Snipes, Fallaw and Price, 1989). A program was initiated at that time to determine the capability of the fault to release seismic energy (Price and others, 1989) as defined in the Nuclear Regulatory Commission regulatory guidelines, 10 CFR 100 Appendix A. This report presents the results of the Pen Branch fault investigation based on data acquired from seismic reflection surveys and shallow drilling across the fault completed at this time. The Earth Science Advisory Committee (ESAC) has reviewed the results of these investigations and unanimously agrees with the conclusion of Westinghouse Savannah River Company (WSRC) that the Pen Branch fault is a non-capable fault. ESAC is a committee of 12 earth science professionals from academia and industry with the charter of providing outside peer review of SRS geotechnical, seismic, and ground water modeling programs.

  17. Shallow gas well drilling with coiled tubing in the San Juan Basin

    SciTech Connect (OSTI)

    Moon, R.G.; Ovitz, R.W.; Guild, G.J.; Biggs, M.D.

    1996-12-31

    Coiled tubing is being utilized to drill new wells, for re-entry drilling to deepen or laterally extend existing wells, and for underbalanced drilling to prevent formation damage. Less than a decade old, coiled tubing drilling technology is still in its inaugral development stage. Initially, utilizing coiled tubing was viewed as a {open_quotes}science project{close_quotes} to determine the validity of performing drilling operations in-lieu of the conventional rotary rig. Like any new technology, the initial attempts were not always successful, but did show promise as an economical alternative if continued efforts were made in the refinement of equipment and operational procedures. A multiwell project has been completed in the San Juan Basin of Northwestern New Mexico which provides documentation indicating that coiled tubing can be an alternative to the conventional rotary rig. A 3-well pilot project, a 6-well project was completed uniquely utilizing the combined resources of a coiled tubing service company, a producing company, and a drilling contractor. This combination of resources aided in the refinement of surface equipment, personnel, mud systems, jointed pipe handling, and mobilization. The results of the project indicate that utilization of coiled tubing for the specific wells drilled was an economical alternative to the conventional rotary rig for drilling shallow gas wells.

  18. Improving Parameterization of Entrainment Rate for Shallow Convection with Aircraft Measurements and Large-Eddy Simulation

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Lu, Chunsong; Liu, Yangang; Zhang, Guang J.; Wu, Xianghua; Endo, Satoshi; Cao, Le; Li, Yueqing; Guo, Xiaohao

    2016-02-01

    This work examines the relationships of entrainment rate to vertical velocity, buoyancy, and turbulent dissipation rate by applying stepwise principal component regression to observational data from shallow cumulus clouds collected during the Routine AAF [Atmospheric Radiation Measurement (ARM) Aerial Facility] Clouds with Low Optical Water Depths (CLOWD) Optical Radiative Observations (RACORO) field campaign over the ARM Southern Great Plains (SGP) site near Lamont, Oklahoma. The cumulus clouds during the RACORO campaign simulated using a large eddy simulation (LES) model are also examined with the same approach. The analysis shows that a combination of multiple variables can better represent entrainment ratemore » in both the observations and LES than any single-variable fitting. Three commonly used parameterizations are also tested on the individual cloud scale. A new parameterization is therefore presented that relates entrainment rate to vertical velocity, buoyancy and dissipation rate; the effects of treating clouds as ensembles and humid shells surrounding cumulus clouds on the new parameterization are discussed. Physical mechanisms underlying the relationships of entrainment rate to vertical velocity, buoyancy and dissipation rate are also explored.« less

  19. A Low-threshold Analysis of CDMS Shallow-site Data

    SciTech Connect (OSTI)

    Akerib, D.S.; Attisha, M.J.; Baudis, L.; Bauer, D.A.; Bolozdynya, A.I.; Brink, P.L.; Bunker, R.; Cabrera, B.; Caldwell, D.O.; Chang, C.L.; Clarke, R.M.; Cooley, J.; Crisler, M.B.; Cushman, P.; DeJongh, F.; Dixon, R.; Driscoll, D.D.; Filippini, J.; Funkhouser, S.; Gaitskell, R.J.; Golwala, S.R.; /Caltech /Fermilab /Fermilab /Colorado U., Denver /Case Western Reserve U. /Texas A-M /Minnesota U. /UC, Berkeley /UC, Berkeley /Caltech /Stanford U., Phys. Dept. /UC, Santa Barbara /Stanford U., Phys. Dept. /Minnesota U. /Queen's U., Kingston /Minnesota U. /St. Olaf Coll. /Florida U. /LBL, Berkeley /UC, Berkeley /Texas A-M /UC, Santa Barbara /Syracuse U. /UC, Berkeley /Princeton U. /Case Western Reserve U. /Stanford U., Phys. Dept. /UC, Santa Barbara /Fermilab /Santa Clara U.

    2012-06-04

    Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four {approx}224 g germanium and two {approx}105 g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of {approx}1 and {approx}2 keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9 GeV/c{sup 2}. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4 GeV/c{sup 2}.

  20. Multilayer shallow shelf approximation: Minimisation formulation, finite element solvers and applications

    SciTech Connect (OSTI)

    Jouvet, Guillaume

    2015-04-15

    In this paper, a multilayer generalisation of the Shallow Shelf Approximation (SSA) is considered. In this recent hybrid ice flow model, the ice thickness is divided into thin layers, which can spread out, contract and slide over each other in such a way that the velocity profile is layer-wise constant. Like the SSA (1-layer model), the multilayer model can be reformulated as a minimisation problem. However, unlike the SSA, the functional to be minimised involves a new penalisation term for the interlayer jumps of the velocity, which represents the vertical shear stresses induced by interlayer sliding. Taking advantage of this reformulation, numerical solvers developed for the SSA can be naturally extended layer-wise or column-wise. Numerical results show that the column-wise extension of a Newton multigrid solver proves to be robust in the sense that its convergence is barely influenced by the number of layers and the type of ice flow. In addition, the multilayer formulation appears to be naturally better conditioned than the one of the first-order approximation to face the anisotropic conditions of the sliding-dominant ice flow of ISMIP-HOM experiments.

  1. Identification of technical problems encountered in the shallow land burial of low-level radioactive wastes

    SciTech Connect (OSTI)

    Jacobs, D.G.; Epler, J.S.; Rose, R.R.

    1980-03-01

    A review of problems encountered in the shallow land burial of low-level radioactive wastes has been made in support of the technical aspects of the National Low-Level Waste (LLW) Management Research and Development Program being administered by the Low-Level Waste Management Program Office, Oak Ridge National Laboratory. The operating histories of burial sites at six major DOE and five commercial facilities in the US have been examined and several major problems identified. The problems experienced st the sites have been grouped into general categories dealing with site development, waste characterization, operation, and performance evaluation. Based on this grouping of the problem, a number of major technical issues have been identified which should be incorporated into program plans for further research and development. For each technical issue a discussion is presented relating the issue to a particular problem, identifying some recent or current related research, and suggesting further work necessary for resolving the issue. Major technical issues which have been identified include the need for improved water management, further understanding of the effect of chemical and physical parameters on radionuclide migration, more comprehensive waste records, improved programs for performance monitoring and evaluation, development of better predictive capabilities, evaluation of space utilization, and improved management control.

  2. Scattering mechanisms in shallow undoped Si/SiGe quantum wells

    SciTech Connect (OSTI)

    Laroche, D.; Nielsen, E.; Lu, T. M.; Huang, S.-H.; Chuang, Y.; Li, J.-Y. Liu, C. W.

    2015-10-15

    We report the magneto-transport study and scattering mechanism analysis of a series of increasingly shallow Si/SiGe quantum wells with depth ranging from ∼ 100 nm to ∼ 10 nm away from the heterostructure surface. The peak mobility increases with depth, suggesting that charge centers near the oxide/semiconductor interface are the dominant scattering source. The power-law exponent of the electron mobility versus density curve, μ ∝ n{sup α}, is extracted as a function of the depth of the Si quantum well. At intermediate densities, the power-law dependence is characterized by α ∼ 2.3. At the highest achievable densities in the quantum wells buried at intermediate depth, an exponent α ∼ 5 is observed. We propose and show by simulations that this increase in the mobility dependence on the density can be explained by a non-equilibrium model where trapped electrons smooth out the potential landscape seen by the two-dimensional electron gas.

  3. Scattering mechanisms in shallow undoped Si/SiGe quantum wells

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Laroche, Dominique; Huang, S. -H.; Nielsen, Erik; Chuang, Y.; Li, J. -Y.; Liu, C. W.; Lu, Tzu -Ming

    2015-10-07

    We report the magneto-transport study and scattering mechanism analysis of a series of increasingly shallow Si/SiGe quantum wells with depth ranging from ~ 100 nm to ~ 10 nm away from the heterostructure surface. The peak mobility increases with depth, suggesting that charge centers near the oxide/semiconductor interface are the dominant scattering source. The power-law exponent of the electron mobility versus density curve, μ ∝ nα, is extracted as a function of the depth of the Si quantum well. At intermediate densities, the power-law dependence is characterized by α ~ 2.3. At the highest achievable densities in the quantum wellsmore » buried at intermediate depth, an exponent α ~ 5 is observed. Lastly, we propose and show by simulations that this increase in the mobility dependence on the density can be explained by a non-equilibrium model where trapped electrons smooth out the potential landscape seen by the two-dimensional electron gas.« less

  4. Scattering mechanisms in shallow undoped Si/SiGe quantum wells

    SciTech Connect (OSTI)

    Laroche, Dominique; Huang, S. -H.; Nielsen, Erik; Chuang, Y.; Li, J. -Y.; Liu, C. W.; Lu, Tzu -Ming

    2015-10-07

    We report the magneto-transport study and scattering mechanism analysis of a series of increasingly shallow Si/SiGe quantum wells with depth ranging from ~ 100 nm to ~ 10 nm away from the heterostructure surface. The peak mobility increases with depth, suggesting that charge centers near the oxide/semiconductor interface are the dominant scattering source. The power-law exponent of the electron mobility versus density curve, μ ∝ nα, is extracted as a function of the depth of the Si quantum well. At intermediate densities, the power-law dependence is characterized by α ~ 2.3. At the highest achievable densities in the quantum wells buried at intermediate depth, an exponent α ~ 5 is observed. Lastly, we propose and show by simulations that this increase in the mobility dependence on the density can be explained by a non-equilibrium model where trapped electrons smooth out the potential landscape seen by the two-dimensional electron gas.

  5. Diagenetic overprint of original depositional architecture in a shallow water carbonate reservoir, Permian Basin, Texas

    SciTech Connect (OSTI)

    Ruppel, S.C.; Lucia, F.J. )

    1996-01-01

    Permian shallow-water carbonate reservoirs are highly heterogeneous because of complex variations in depositional facies produced by high-frequency sea level rise and fall. Accordingly, establishment of a cycle stratigraphic framework is fundamental to defining reservoir heterogeneity. Because nearly all of these reservoirs have experienced multiple episodes of dolomitization and sulfate emplacement, however, permeability is a n of diagenetic overprint. The extent to which diagenesis can affect permeability development is dramatically displayed in the Grayburg Formation (middle Permian) at South Cowden field, Weit Texas. Three scales of cyclicity contribute to original depositional facies heterogeneity in the Grayburg; high-frequency cycles, averaging 3 meters in thickness, constitute the fundamental architectural element in the main reservoir interval. Despite original depositional heterogeneity due to this cyclicity, however, permeability development is substantially the result of two diagenetic events: (1) dolomite diagenesis in vertically burrowed wackestones and packstones and (2) late alteration and removal of anhydrite. Dolomite diagenesis in vertically burrowed wackestones and packstones has produced irregular vertical zones of higher permeability in mud-dominated bases of high-frequency cycles in leeward ramp-crest highstand successions. Because dolomite diagenesis is concentrated in burrowed highstand successions, the distribution of resultant permeability trends is partly constrained by patterns of longterm accommodation and high frequency cyclicity. Anhydrite diagenesis, which is characterized by conversion to gypsum or by complete removal of sulfate, is developed along basinward margins of the field and cross cuts original depositional framework.

  6. Diagenetic overprint of original depositional architecture in a shallow water carbonate reservoir, Permian Basin, Texas

    SciTech Connect (OSTI)

    Ruppel, S.C.; Lucia, F.J.

    1996-12-31

    Permian shallow-water carbonate reservoirs are highly heterogeneous because of complex variations in depositional facies produced by high-frequency sea level rise and fall. Accordingly, establishment of a cycle stratigraphic framework is fundamental to defining reservoir heterogeneity. Because nearly all of these reservoirs have experienced multiple episodes of dolomitization and sulfate emplacement, however, permeability is a n of diagenetic overprint. The extent to which diagenesis can affect permeability development is dramatically displayed in the Grayburg Formation (middle Permian) at South Cowden field, Weit Texas. Three scales of cyclicity contribute to original depositional facies heterogeneity in the Grayburg; high-frequency cycles, averaging 3 meters in thickness, constitute the fundamental architectural element in the main reservoir interval. Despite original depositional heterogeneity due to this cyclicity, however, permeability development is substantially the result of two diagenetic events: (1) dolomite diagenesis in vertically burrowed wackestones and packstones and (2) late alteration and removal of anhydrite. Dolomite diagenesis in vertically burrowed wackestones and packstones has produced irregular vertical zones of higher permeability in mud-dominated bases of high-frequency cycles in leeward ramp-crest highstand successions. Because dolomite diagenesis is concentrated in burrowed highstand successions, the distribution of resultant permeability trends is partly constrained by patterns of longterm accommodation and high frequency cyclicity. Anhydrite diagenesis, which is characterized by conversion to gypsum or by complete removal of sulfate, is developed along basinward margins of the field and cross cuts original depositional framework.

  7. Catagenesis of organic matter of oil source rocks in Upper Paleozoic coal formation of the Bohai Gulf basin (eastern China)

    SciTech Connect (OSTI)

    Li, R.X.; Li, Y.Z.; Gao, Y.W.

    2007-05-15

    The Bohai Gulf basin is the largest petroliferous basin in China. Its Carboniferous-Permian deposits are thick (on the average, ca. 600 m) and occur as deeply as 5000 m. Coal and carbonaceous shale of the Carboniferous Taiyuan Formation formed in inshore plain swamps. Their main hydrocarbon-generating macerals are fluorescent vitrinite, exinite, alginite, etc. Coal and carbonaceous shale of the Permian Shanxi Formation were deposited in delta-alluvial plain. Their main hydrocarbon-generating macerals are vitrinite, exinite, etc. The carbonaceous rocks of these formations are characterized by a high thermal maturity, with the vitrinite reflectance R{sub 0} > 2.0%. The Bohai Gulf basin has been poorly explored so far, but it is highly promising for natural gas.

  8. Characterizing Natural Gas Hydrates in the Deep Water Gulf of Mexico: Applications for Safe Exploration and Production Activities

    SciTech Connect (OSTI)

    Bent, Jimmy

    2014-05-31

    In 2000 Chevron began a project to learn how to characterize the natural gas hydrate deposits in the deep water portion of the Gulf of Mexico (GOM). Chevron is an active explorer and operator in the Gulf of Mexico and is aware that natural gas hydrates need to be understood to operate safely in deep water. In August 2000 Chevron worked closely with the National Energy Technology Laboratory (NETL) of the United States Department of Energy (DOE) and held a workshop in Houston, Texas to define issues concerning the characterization of natural gas hydrate deposits. Specifically, the workshop was meant to clearly show where research, the development of new technologies, and new information sources would be of benefit to the DOE and to the oil and gas industry in defining issues and solving gas hydrate problems in deep water.

  9. Continental shelf processes affecting the oceanography of the South Atlantic Bight. Progress report, 1 June 1980-1 June 1981

    SciTech Connect (OSTI)

    Atkinson, L P

    1981-02-01

    Research progress is reported in studies of the oceanography of the South Atlantic Bight during the spring transition period. Volume I contains preliminary results of GABEX-I. (ACR)

  10. A Reassessment of the Integrated Impact of Tropical Cyclones on Surface Chlorophyll in the Western Subtropical North Atlantic

    SciTech Connect (OSTI)

    Foltz, Gregory R.; Balaguru, Karthik; Leung, Lai-Yung R.

    2015-02-28

    The impact of tropical cyclones on surface chlorophyll concentration is assessed in the western subtropical North Atlantic Ocean during 19982011. Previous studies in this area focused on individual cyclones and gave mixed results regarding the importance of tropical cyclone-induced mixing for changes in surface chlorophyll. Using a more integrated and comprehensive approach that includes quantification of cyclone-induced changes in mixed layer depth, here it is shown that accumulated cyclone energy explains 22% of the interannual variability in seasonally-averaged (JuneNovember) chlorophyll concentration in the western subtropical North Atlantic, after removing the influence of the North Atlantic Oscillation (NAO). The variance explained by tropical cyclones is thus about 70% of that explained by the NAO, which has well-known impacts in this region. It is therefore likely that tropical cyclones contribute significantly to interannual variations of primary productivity in the western subtropical North Atlantic during the hurricane season.

  11. Summary of Training Workshop on the Use of NASA tools for Coastal Resource Management in the Gulf of Mexico

    SciTech Connect (OSTI)

    Judd, Chaeli; Judd, Kathleen S.; Gulbransen, Thomas C.; Thom, Ronald M.

    2009-03-01

    A two-day training workshop was held in Xalapa, Mexico from March 10-11 2009 with the goal of training end users from the southern Gulf of Mexico states of Campeche and Veracruz in the use of tools to support coastal resource management decision-making. The workshop was held at the computer laboratory of the Institute de Ecologia, A.C. (INECOL). This report summarizes the results of that workshop and is a deliverable to our NASA client.

  12. Short-Term Energy Outlook Supplement: 2015 Outlook for Gulf of Mexico Hurricane-Related Production Outages

    Gasoline and Diesel Fuel Update (EIA)

    4 Outlook for Gulf of Mexico Hurricane-Related Production Outages June 2014 Independent Statistics & Analysis www.eia.gov U.S. Department of Energy Washington, DC 20585 U.S. Energy Information Administration | STEO Supplement: 2014 Hurricane Outlook i This report was prepared by the U.S. Energy Information Administration (EIA), the statistical and analytical agency within the U.S. Department of Energy. By law, EIA's data, analyses, and forecasts are independent of approval by any other

  13. Short-Term Energy Outlook Supplement: 2013 Outlook for Gulf of Mexico Hurricane-Related Production Outages

    U.S. Energy Information Administration (EIA) Indexed Site

    3 Outlook for Gulf of Mexico Hurricane-Related Production Outages June 2013 Independent Statistics & Analysis www.eia.gov U.S. Department of Energy Washington, DC 20585 U.S. Energy Information Administration | STEO Supplement: 2013 Hurricane Outlook i This report was prepared by the U.S. Energy Information Administration (EIA), the statistical and analytical agency within the U.S. Department of Energy. By law, EIA's data, analyses, and forecasts are independent of approval by any other

  14. Virginia Offshore Wind Technology Advancement Project on the Atlantic Outer Continental Shelf Offshore Virginia Revised Environmental Assessment

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    the Interior Bureau of Ocean Energy Management Office of Renewable Energy Programs OCS EIS/EA BOEM 2015-031 Virginia Offshore Wind Technology Advancement Project on the Atlantic Outer Continental Shelf Offshore Virginia Revised Environmental Assessment OCS EIS/EA BOEM 2015-031 Virginia Offshore Wind Technology Advancement Project on the Atlantic Outer Continental Shelf Offshore Virginia Revised Environmental Assessment Author Bureau of Ocean Energy Management Office of Renewable Energy Programs

  15. Saharan dust as a causal factor of hemispheric asymmetry in aerosols and cloud cover over the tropical Atlantic Ocean

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Kishcha, Pavel; Da Sliva, Arlindo; Starobinets, Boris; Long, Charles N.; Kalashnikova, Olga; Alpert, Pinhas

    2015-07-09

    Meridional distribution of aerosol optical thickness (AOT) over the tropical Atlantic Ocean (30°N – 30°S) was analyzed to assess seasonal variations of meridional AOT asymmetry. Ten-year MERRA Aerosol Reanalysis (MERRAero) data (July 2002 – June 2012) confirms that the Sahara desert emits a significant amount of dust into the atmosphere over the Atlantic Ocean. Only over the Atlantic Ocean did MERRAero show that desert dust dominates other aerosol species and is responsible for meridional aerosol asymmetry between the tropical North and South Atlantic. Over the 10-year period under consideration, both MISR measurements and MERRAero data showed a pronounced meridional AOTmore » asymmetry. The meridional AOT asymmetry, characterized by the hemispheric ratio (RAOT) of AOT averaged separately over the North and over the South Atlantic, was about 1.7. Seasonally, meridional AOT asymmetry over the Atlantic was the most pronounced between March and July, when dust presence is maximal (RAOT ranged from 2 to 2.4). There was no noticeable meridional aerosol asymmetry in total AOT from September to October. During this period the contribution of carbonaceous aerosols to total AOT in the South Atlantic was comparable to the contribution of dust aerosols to total AOT in the North Atlantic. During the same 10-year period, MODIS cloud fraction (CF) data showed that there was no noticeable asymmetry in meridional CF distribution in different seasons (the hemispheric ratio of CF ranged from 1.0 to 1.2). MODIS CF data illustrated significant cloud cover (CF of 0.7 – 0.9) with limited precipitation ability along the Saharan Air Layer.« less

  16. Saharan dust as a causal factor of hemispheric asymmetry in aerosols and cloud cover over the tropical Atlantic Ocean

    SciTech Connect (OSTI)

    Kishcha, Pavel; Da Sliva, Arlindo; Starobinets, Boris; Long, Charles N.; Kalashnikova, Olga; Alpert, Pinhas

    2015-07-09

    Meridional distribution of aerosol optical thickness (AOT) over the tropical Atlantic Ocean (30°N – 30°S) was analyzed to assess seasonal variations of meridional AOT asymmetry. Ten-year MERRA Aerosol Reanalysis (MERRAero) data (July 2002 – June 2012) confirms that the Sahara desert emits a significant amount of dust into the atmosphere over the Atlantic Ocean. Only over the Atlantic Ocean did MERRAero show that desert dust dominates other aerosol species and is responsible for meridional aerosol asymmetry between the tropical North and South Atlantic. Over the 10-year period under consideration, both MISR measurements and MERRAero data showed a pronounced meridional AOT asymmetry. The meridional AOT asymmetry, characterized by the hemispheric ratio (RAOT) of AOT averaged separately over the North and over the South Atlantic, was about 1.7. Seasonally, meridional AOT asymmetry over the Atlantic was the most pronounced between March and July, when dust presence is maximal (RAOT ranged from 2 to 2.4). There was no noticeable meridional aerosol asymmetry in total AOT from September to October. During this period the contribution of carbonaceous aerosols to total AOT in the South Atlantic was comparable to the contribution of dust aerosols to total AOT in the North Atlantic. During the same 10-year period, MODIS cloud fraction (CF) data showed that there was no noticeable asymmetry in meridional CF distribution in different seasons (the hemispheric ratio of CF ranged from 1.0 to 1.2). MODIS CF data illustrated significant cloud cover (CF of 0.7 – 0.9) with limited precipitation ability along the Saharan Air Layer.

  17. Airborne CH2O measurements over the North Atlantic during the 1997 NARE campaign: Instrument comparisons and distributions

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Fried, Alan; Lee, Yin -Nan; Frost, Greg; Wert, Bryan; Henry, Bruce; Drummond, James R.; Hubler, Gerd; Jobson, Tom

    2002-02-27

    Here, formaldehyde measurements from two independent instruments are compared with photochemical box model calculations. The measurements were made on the NOAA P-3 aircraft as part of the 1997 North Atlantic Regional Experiment (NARE 1997). After examining the possible reasons for the model-measurement discrepancy, we conclude that there are probably one or more additional unknown sources of CH2O in the North Atlantic troposphere.

  18. Outer continental shelf oil and gas activities in the South Atlantic (US) and their onshore impacts. South Atlantic summary report update

    SciTech Connect (OSTI)

    Havran, K.J.

    1983-01-01

    An update of the South Atlantic Summary Report 2, this report provides current information about Outer Continental Shelf (OCS) oil- and gas-related activities and their onshore impacts for the period June 1982 to February, 1983. The geographical area covered by the report extends from north of Cape Hatteras, North Carolina to Cape Canaveral, Florida. The information is designed to assist in planning for the onshore effects associated with offshore oil and gas development. It covers lease and transportation strategies and the nature and location of onshore facilities. An appendix summarizes related state and federal studies. 11 references, 2 tables.

  19. Selectively reducing offshore royalty rates in the Gulf of Mexico could increase oil production and federal government revenue

    SciTech Connect (OSTI)

    Bowsher, C.A.

    1985-05-10

    The US government leases large areas in the Outer Continental Shelf in the Gulf of Mexico for the development of oil resources and receives royalties on the oil produced. Conventional methods of oil recovery have recovered or are expected to recover about half of the 16 billion barrels of oil discovered in this area. Other oil recovery methods, collectively known as enhanced oil recovery (EOR), could potentially increase production by about 1 billion barrels of oil. EOR in the Gulf is expensive and does not appear to be economically justified in most cases. Under existing economic conditions and federal policies, GAO's review indicates that utilizing EOR methods will probably produce only about 10 percent of the additional recoverable oil. However, financial incentives in the form of royalty reductions could increase both oil production and federal government revenue if applied on a project-by-project basis. Universal applications of royalty reduction for EOR, however, while achieving increased oil production, would not increase federal government revenue. GAO recommends that the Department of the Interior's Minerals Management Service initiate action that would allow for selective royalty reductions for EOR projects in the Gulf in instances where both total oil production and federal government revenue will increase. 6 figs., 1 tab.

  20. The influence of cut off lows on sulfate burdens over the North Atlantic during April, 1987

    SciTech Connect (OSTI)

    Benkovitz, C.M.; Miller, M.A.; Schwartz, S.E.; Kwon, O.U.

    2001-01-14

    The authors have presented examples from a modeling study of the development of sulfur burdens over North America, the North Atlantic Ocean and Europe during April, 1987 using observation-derived meteorological data to represent the actual conditions for this period, focusing on the influence of cut-off lows on SO{sub 2} and sulfate column burdens over the North Atlantic Ocean. The analysis demonstrates that these systems can serve either as sources or sinks of sulfate, and that the major factor governing their resulting effect is the position during its formative stages relative to (a) sources of moisture, and (b) sulfur emissions, which regulates the availability of sulfur, cloud liquid water for sulfur oxidation, and the amount of precipitation for sulfate removal produced in the later stages of the life cycle.

  1. Advection, Moistening, and Shallow-to-deep Convection Transitions During the Initiation and Propagation of Madden-Julian Oscillation

    SciTech Connect (OSTI)

    Hagos, Samson M.; Feng, Zhe; Landu, Kiranmayi; Long, Charles N.

    2014-09-11

    Using observations from the 2011 AMIE/DYNAMO field campaign over the Indian Ocean and a high-resolution regional model simulation, the processes that lead to the rapid shallow-to-deep convection transitions associated with the initiation and eastward propagation of the Madden-Julian Oscillation (MJO) are examined. By tracking the evolution of the depth of several thousand individual model simulated precipitation features, the role of and the processes that control the observed midtropospheric moisture buildup ahead of the detection of deep convection are quantified at large and convection scales. The frequency of shallow-to-deep convection transitions is found to be sensitive to this midlevel moisture and large-scale uplift. This uplift along with the decline of large-scale drying by equator-ward advection causes the moisture buildup leading to the initiation of the MJO. Convection scale moisture variability and uplift, and large-scale zonal advection play secondary roles.

  2. Growth of tapered silica nanowires with a shallow U-shaped vapor chamber: Growth mechanism and structural and optical properties

    SciTech Connect (OSTI)

    Zhang, Danqing; Zhang, Xi Wei, Jianglin; Gu, Gangxu; Xiang, Gang

    2015-04-28

    Traditional chemical vapor deposition method modified with a shallow U-shaped vapor chamber has been used to synthesize tapered bamboo shoot-like (BS-like) amorphous SiO{sub 2} nanowires (NWs) on Si (100) substrates without catalyst. The key innovation of this approach lies in a creation of swirling flow of the reactant vapors during the growth, which leads to a harvest of tapered silica NWs with lengths up to several microns. The unique structures and corresponding luminescence properties of the BS-like NWs were studied and their relationship with the evaporated active reactants was explored. A thermodynamic model that considers the critical role of the vapor flow during the growth is proposed to understand the structural and optical features. The shallow U-shaped vapor chamber-aided approach may provide a viable way to tailor novel structure of NWs for potential applications in nano-devices.

  3. EOS7CA Version 1.0: TOUGH2 Module for Gas Migration in Shallow Subsurface Porous Media Systems

    Energy Science and Technology Software Center (OSTI)

    2015-06-22

    EOS7CA is a TOUGH2 module for mixtures of a non-condensible gas (NCG) and air (with or without a gas tracer), an aqueous phase, and water vapor. The user can select the NCG as being CO2, N2, or CH4. EOS7CA uses a cubic equation of state with a multiphase version of Darcy’s Law to model flow and transport of gas and aqueous phase mixtures over a range of pressures and temperatures appropriate to shallow subsurface porousmore » media systems. The limitation to shallow systems arises from the use of Henry’s Law for gas solubility which is appropriate for low pressures but begins to over-predict solubility starting at pressures greater than approximately 1 MPa (10 bar). The components modeled in EOS7CA are water, brine, NCG, gas tracer, air, and optional heat.« less

  4. EOS7CA Version 1.0: TOUGH2 Module for Gas Migration in Shallow Subsurface Porous Media Systems

    SciTech Connect (OSTI)

    Oldenburg, Curtis M.

    2015-06-22

    EOS7CA is a TOUGH2 module for mixtures of a non-condensible gas (NCG) and air (with or without a gas tracer), an aqueous phase, and water vapor. The user can select the NCG as being CO2, N2, or CH4. EOS7CA uses a cubic equation of state with a multiphase version of Darcy’s Law to model flow and transport of gas and aqueous phase mixtures over a range of pressures and temperatures appropriate to shallow subsurface porous media systems. The limitation to shallow systems arises from the use of Henry’s Law for gas solubility which is appropriate for low pressures but begins to over-predict solubility starting at pressures greater than approximately 1 MPa (10 bar). The components modeled in EOS7CA are water, brine, NCG, gas tracer, air, and optional heat.

  5. Impact of induced seismic events on seal integrity, Texas Gulf Coast

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Nicot, Jean-Philippe; Meckel, Timothy A.; Carr, David A.; Oldenburg, Curtis M.

    2014-12-31

    Recent publications have suggested that large-scale CO2 injection could trigger earthquakes and that even small- to moderate-sized earthquakes may threaten the seal integrity of the injection zone, and potentially damage buildings and other surface structures. In this study, we compared seal thickness to estimated fault displacement due to a single hypothetical seismic event in a selected area of the Texas Gulf Coast comprising an offshore strip of state waters along two Texas counties. To evaluate the slip generated by a single seismic event, we compiled well log information on shale/sand sequences and seismic information on fault geometric characteristics of amore » section of Lower Miocene age. The section is thousands of feet thick and is overlain and underlain by marine shales (Amph. B and Anahuac, respectively) that are relatively easy to correlate between wells. The Amph. B. shale is the secondary and ultimate seal for all injection intervals in the Lower Miocene. Given its thickness, no realistic seismic event or small series of seismic events will offset it significantly. However, this may not be true of smaller local primary seals. An analysis of geophysical logs of a total of 71 wells yielded a total of 2,871 sand / shale binary intervals. An analysis of the dedicated 3D seismic survey counted 723 fault traces at five roughly horizontal horizons within the Lower Miocene Fault displacement estimated using the product of the fault length times an uncertain multiplier coefficient assumed to follow a triangular distribution with a 10-3 to 10-5 range and a mode of 8 × 10-5. We then compared estimated single-event fault displacements to seal thicknesses by means of a Monte-Carlo analysis. Only 1.8% of thickness/displacement pairs display a displacement greater than 20% of the seal thickness. Only 0.26% of the pairs result in a displacement of half the seal thickness and only 0.05% of thickness/displacement pairs result in a clear seal rupture. The next step

  6. Impact of induced seismic events on seal integrity, Texas Gulf Coast

    SciTech Connect (OSTI)

    Nicot, Jean-Philippe; Meckel, Timothy A.; Carr, David A.; Oldenburg, Curtis M.

    2014-12-31

    Recent publications have suggested that large-scale CO2 injection could trigger earthquakes and that even small- to moderate-sized earthquakes may threaten the seal integrity of the injection zone, and potentially damage buildings and other surface structures. In this study, we compared seal thickness to estimated fault displacement due to a single hypothetical seismic event in a selected area of the Texas Gulf Coast comprising an offshore strip of state waters along two Texas counties. To evaluate the slip generated by a single seismic event, we compiled well log information on shale/sand sequences and seismic information on fault geometric characteristics of a section of Lower Miocene age. The section is thousands of feet thick and is overlain and underlain by marine shales (Amph. B and Anahuac, respectively) that are relatively easy to correlate between wells. The Amph. B. shale is the secondary and ultimate seal for all injection intervals in the Lower Miocene. Given its thickness, no realistic seismic event or small series of seismic events will offset it significantly. However, this may not be true of smaller local primary seals. An analysis of geophysical logs of a total of 71 wells yielded a total of 2,871 sand / shale binary intervals. An analysis of the dedicated 3D seismic survey counted 723 fault traces at five roughly horizontal horizons within the Lower Miocene Fault displacement estimated using the product of the fault length times an uncertain multiplier coefficient assumed to follow a triangular distribution with a 10-3 to 10-5 range and a mode of 8 × 10-5. We then compared estimated single-event fault displacements to seal thicknesses by means of a Monte-Carlo analysis. Only 1.8% of thickness/displacement pairs display a displacement greater than 20% of the seal thickness. Only 0.26% of the pairs result in a displacement of half the seal thickness and only 0.05% of thickness/displacement pairs result in

  7. Atlantic Coastal Experiment VI: R/V KNORR cruise, 23 August--11 September 1980, data report

    SciTech Connect (OSTI)

    Behrens, W.; von Bock, K.

    1983-01-01

    An investigation of the influence of estuaries on the ecosystem of the Mid-Atlantic Bight was undertaken. Data were collected from excursions into the Hudson, Delaware and Chesapeake estuaries, three across-shelf and one along-shelf transects, and two time series stations. In all, 139 stations were occupied and 164 XBT soundings were taken. In addition to standard hydrographic measurements, nutrient , chlorophyll, particulate carbon and nitrogen, 14C, 15N, DNA, particle size, FTD, phytoplankton and zooplankton analyses were made.

  8. Corrective measures technology for shallow land burial at arid sites: field studies of biointrusion barriers and erosion control

    SciTech Connect (OSTI)

    Nyhan, J.W.; Hakonson, T.E.; Lopez, E.A.

    1986-03-01

    The field research program involving corrective measures technologies for arid shallow land burial (SLB) sites is described. Results of field testing of a biointrusion barrier installed at a close-out waste disposal site (Area B) at Los Alamos are presented. Soil erosion and infiltration of water into a simulated trench cap with various surface treatments were measured, and the interaction between erosion control and subsurface water dynamics is discussed relative to waste management.

  9. EVALUATION OF FROST HEAVE ON WASTE TRANSFER LINES WITH SHALLOW DEPTHS IN DST (DOUBLE SHELL TANK) FARMS

    SciTech Connect (OSTI)

    HAQ MA

    2009-05-12

    The purpose of this document is to evaluate the effect of frost heave on waste transfer lines with shallow depths in DST farms. Because of the insulation, well compacted sandy material around waste transfer lines, the type of sandy and gravel soil, and relatively low precipitation at Hanford site, it is concluded that waste transfer lines with one foot of soil covers (sandy cushion material and insulation) are not expected to undergo frost heave damaging effects.

  10. Bicarbonate Impact on U(VI) Bioreduction in a Shallow Alluvial Aquifer

    SciTech Connect (OSTI)

    Long, Philip E.; Williams, Kenneth H.; Davis, James A.; Fox, Patricia M.; Wilkins, Michael J.; Yabusaki, Steven B.; Fang, Yilin; Waichler, Scott R.; Berman, Elena S.; Gupta, Manish; Chandler, Darrell P.; Murray, Christopher J.; Peacock, Aaron D.; Giloteaux, L.; Handley, Kim M.; Lovley, Derek R.; Banfield, Jillian F.

    2015-02-01

    Field-scale biostimulation and desorption tracer experiments conducted in a uranium (U) contaminated, shallow alluvial aquifer have provided insight into the coupling of microbiology, biogeochemistry, and hydrogeology that control U mobility in the subsurface. Initial experiments successfully tested the concept that Fe-reducing bacteria such as Geobacter sp. could enzymatically reduce soluble U(VI) to insoluble U(IV) during in situ electron donor amendment (Anderson et al. 2003, Williams et al. 2011). In parallel, in situ desorption tracer tests using bicarbonate amendment demonstrated rate-limited U(VI) desorption (Fox et al. 2012). These results and prior laboratory studies underscored the importance of enzymatic U(VI)-reduction and suggested the ability to combine desorption and bioreduction of U(VI). Here we report the results of a new field experiment in which bicarbonate-promoted uranium desorption and acetate amendment were combined and compared to an acetate amendment-only experiment in the same experimental plot. Results confirm that bicarbonate amendment to alluvial aquifer desorbs U(VI) and increases the abundance of Ca-uranyl-carbonato complexes. At the same time, that the rate of acetate-promoted enzymatic U(VI) reduction was greater in the presence of added bicarbonate in spite of the increased dominance of Ca-uranyl-carbonato aqueous complexes. A model-simulated peak rate of U(VI) reduction was ~3.8 times higher during acetate-bicarbonate treatment than under acetate-only conditions. Lack of consistent differences in microbial community structure between acetate-bicarbonate and acetate-only treatments suggest that a significantly higher rate of U(VI) reduction the bicarbonate-impacted sediment may be due to a higher intrinsic rate of microbial reduction induced by elevated concentrations of the bicarbonate oxyanion. The findings indicate that bicarbonate amendment may be useful in improving the engineered bioremediation of uranium in aquifers.

  11. Geological and reservoir characterization of shallow-shelf carbonate fields, Southern Paradox Basin, Utah

    SciTech Connect (OSTI)

    Chidsey, T.C. Jr.; Eby, D.E.

    1996-12-31

    The Paradox basin of Utah, Colorado, and Arizona contains nearly 100 small oil fields producing from carbonate mounds within the Pennsylvanian (Desmoinesian) Paradox Formation. These fields typically have one to three wells with primary per field production ranging from 700 MBO to 2 MMBO at a 15-20% recovery rate. Five fields (Anasazi, Mule, Blue Hogan, Heron North, and Runway) within the Navajo Nation of southeastern Utah have been evaluated for CO{sub 2}-flood projects based upon geological characterization and reservoir modeling. Conventional cores from the five fields show that three compositional reservoir types are present: (1) phylloid algal, (2) bioclastic calcarenite, and (3) bryozoan-dominated. Phylloid algal mounds are abundant in four of the five fields, and exhibit the best overall porosity and permeability. This mound type developed where shallow water depths and low energy allowed establishment of calcareous algal colonies possibly on paleohighs. The principal reservoir rock is algal bafflestone composed mostly of the phylloid Ivanovia and occasionally dolomitized. The Heron North field is a bioclastic calcarenite reservoir. It represents high-energy conditions resulting in carbonate beaches developed over foreshore carbonate rubble. The principal reservoir rocks are grainstones and rudstones having grain-selective dissolution and complete dolomitization. Bryozoan-dominated mounds present in Runway field developed in quiet, below wave-base settings that appear to be localized along Mississippian fault blocks trends. The principal reservoir rocks are bindstone and framestone with no dolomitization. The resulting model suggests that CO{sub 2} miscible flooding of these and other small carbonate reservoirs in the Paradox basin could significantly increase ultimate recovery of oil.

  12. Geological and reservoir characterization of shallow-shelf carbonate fields, Southern Paradox Basin, Utah

    SciTech Connect (OSTI)

    Chidsey, T.C. Jr. ); Eby, D.E. )

    1996-01-01

    The Paradox basin of Utah, Colorado, and Arizona contains nearly 100 small oil fields producing from carbonate mounds within the Pennsylvanian (Desmoinesian) Paradox Formation. These fields typically have one to three wells with primary per field production ranging from 700 MBO to 2 MMBO at a 15-20% recovery rate. Five fields (Anasazi, Mule, Blue Hogan, Heron North, and Runway) within the Navajo Nation of southeastern Utah have been evaluated for CO[sub 2]-flood projects based upon geological characterization and reservoir modeling. Conventional cores from the five fields show that three compositional reservoir types are present: (1) phylloid algal, (2) bioclastic calcarenite, and (3) bryozoan-dominated. Phylloid algal mounds are abundant in four of the five fields, and exhibit the best overall porosity and permeability. This mound type developed where shallow water depths and low energy allowed establishment of calcareous algal colonies possibly on paleohighs. The principal reservoir rock is algal bafflestone composed mostly of the phylloid Ivanovia and occasionally dolomitized. The Heron North field is a bioclastic calcarenite reservoir. It represents high-energy conditions resulting in carbonate beaches developed over foreshore carbonate rubble. The principal reservoir rocks are grainstones and rudstones having grain-selective dissolution and complete dolomitization. Bryozoan-dominated mounds present in Runway field developed in quiet, below wave-base settings that appear to be localized along Mississippian fault blocks trends. The principal reservoir rocks are bindstone and framestone with no dolomitization. The resulting model suggests that CO[sub 2] miscible flooding of these and other small carbonate reservoirs in the Paradox basin could significantly increase ultimate recovery of oil.

  13. ANALYTICAL MODELS OF EXOPLANETARY ATMOSPHERES. I. ATMOSPHERIC DYNAMICS VIA THE SHALLOW WATER SYSTEM

    SciTech Connect (OSTI)

    Heng, Kevin; Workman, Jared E-mail: jworkman@coloradomesa.edu

    2014-08-01

    Within the context of exoplanetary atmospheres, we present a comprehensive linear analysis of forced, damped, magnetized shallow water systems, exploring the effects of dimensionality, geometry (Cartesian, pseudo-spherical, and spherical), rotation, magnetic tension, and hydrodynamic and magnetic sources of friction. Across a broad range of conditions, we find that the key governing equation for atmospheres and quantum harmonic oscillators are identical, even when forcing (stellar irradiation), sources of friction (molecular viscosity, Rayleigh drag, and magnetic drag), and magnetic tension are included. The global atmospheric structure is largely controlled by a single key parameter that involves the Rossby and Prandtl numbers. This near-universality breaks down when either molecular viscosity or magnetic drag acts non-uniformly across latitude or a poloidal magnetic field is present, suggesting that these effects will introduce qualitative changes to the familiar chevron-shaped feature witnessed in simulations of atmospheric circulation. We also find that hydrodynamic and magnetic sources of friction have dissimilar phase signatures and affect the flow in fundamentally different ways, implying that using Rayleigh drag to mimic magnetic drag is inaccurate. We exhaustively lay down the theoretical formalism (dispersion relations, governing equations, and time-dependent wave solutions) for a broad suite of models. In all situations, we derive the steady state of an atmosphere, which is relevant to interpreting infrared phase and eclipse maps of exoplanetary atmospheres. We elucidate a pinching effect that confines the atmospheric structure to be near the equator. Our suite of analytical models may be used to develop decisively physical intuition and as a reference point for three-dimensional magnetohydrodynamic simulations of atmospheric circulation.

  14. Integrated test plan for a shallow high resolution compressional seismic reflection demonstration

    SciTech Connect (OSTI)

    Narbutovskih, S.M.

    1994-08-04

    This integrated test plan describes the demonstration of a surface high resolution seismic reflection acquisition system using swept source technology. Compressional wave data will be collected along a previously occupied seismic line associated with a recent seismic survey north of the 300 Area. The swept source system will be employed testing two very different high resolution vibrator sources, one with a frequency range from 10 to 500 Hz and a smaller unit with a range from 20 to 1,500 Hz. This will enable a precursory comparison of two vibrator data sets with standard impulse data. The data will be evaluated for the presence of reflected energy, signal strength, frequency content and signal-to-noise ratio. If the water table can be distinguished from the Hanford/Ringold formation contact, then the high permeability Hanford-filled channels can be mapped. Next, if details on the configuration of the Ringold middle mud can be discerned, this will allow detecting fluid pathway through the mud and confirm the depositional nature of this unit. Finally, by mapping the extent of the lower confining mud unit, areas where the polluted unconfined and lower confined aquifers communicate might be located. Another source and acquisition method will also be tested by gathering data along the same seismic line. This system uses a lightweight source that produces a high-velocity shock wave that strikes the earth`s surface causing an acoustic wave to propagate downward. The acquisition method is nonconventional and is reported to eliminate obstructing noise such as groundroll and air blast. It is unexpected that this system will have the imaging ability of the vibratory systems. However it could prove to be economical for shallow applications when only compressional energy is needed.

  15. Methods for Quantifying Shallow-Water Habitat Availability in the Missouri River

    SciTech Connect (OSTI)

    Hanrahan, Timothy P.; Larson, Kyle B.

    2012-04-09

    As part of regulatory requirements for shallow-water habitat (SWH) restoration, the U.S. Army Corps of Engineers (USACE) completes periodic estimates of the quantity of SWH available throughout the lower 752 mi of the Missouri River. To date, these estimates have been made by various methods that consider only the water depth criterion for SWH. The USACE has completed estimates of SWH availability based on both depth and velocity criteria at four river bends (hereafter called reference bends), encompassing approximately 8 river miles within the lower 752 mi of the Missouri River. These estimates were made from the results of hydraulic modeling of water depth and velocity throughout each bend. Hydraulic modeling of additional river bends is not expected to be completed for deriving estimates of available SWH. Instead, future estimates of SWH will be based on the water depth criterion. The objective of this project, conducted by the Pacific Northwest National Laboratory for the USACE Omaha District, was to develop geographic information system methods for estimating the quantity of available SWH based on water depth only. Knowing that only a limited amount of water depth and channel geometry data would be available for all the remaining bends within the lower 752 mi of the Missouri River, the intent was to determine what information, if any, from the four reference bends could be used to develop methods for estimating SWH at the remaining bends. Specifically, we examined the relationship between cross-section channel morphology and relative differences between SWH estimates based on combined depth and velocity criteria and the depth-only criterion to determine if a correction factor could be applied to estimates of SWH based on the depth-only criterion. In developing these methods, we also explored the applicability of two commonly used geographic information system interpolation methods (TIN and ANUDEM) for estimating SWH using four different elevation data

  16. Geologic development and characteristics of the continental margins, Gulf of Mexico. Research report, 1983-1986

    SciTech Connect (OSTI)

    Coleman, J.M.; Prior, D.B.; Roberts, H.H.

    1986-01-01

    The continental slope of the Gulf Basin covers more than 500,000 sq km and consists of smooth and gently sloping surfaces, prominent escarpments, knolls, intraslope basins, and submarine canyons and channels. It is an area of extremely diverse topographic and sedimentologic conditions. The slope extends from the shelf break, roughly at the 200 m isobath, to the upper limit of the continental rise, at a depth of 2800 m. The most-complex province in the basin, and the one of most interest to the petroleum industry, is the Texas-Louisiana slope, occupying 120,000 sq km and in which bottom slopes range from < 1 deg to > 20 deg around the knolls and basins. The near-surface geology and topography of the slope are functions of the interplay between episodes of rapid shelf-edge and slope progradation and contemporaneous modification of the depositional sequence by diapirism. Development of discrete depo-centers throughout the Neogene results in rapid shelf-edge progradation, often in excess of 15-20 km/my. This rapid progradation of the shelf edge leads to development of thick wedges of sediment accumulation on the continental slope. Oversteeping, high pore pressures in rapidly deposited soft sediments and changes in eustatic sea level cause subaqueous slope instabilities such as landsliding and debris flows. Large scale features such as shelf edge separation scars and landslide related canyons often results from such processes.

  17. Business and technical overview of the Gulf of Mexico deep-water play

    SciTech Connect (OSTI)

    Van Den Berg, A.N.; Dirks, W.K. )

    1993-09-01

    A steadily growing volume of publicly available data (well logs, speculative seismic surveys, press releases, etc.) strongly suggests that the deep-water part of the Gulf of Mexico contains large reserves of recoverable hydrocarbons. Well logs available through the minerals management Service Order 4 Release Program indicate at least 25 potentially developable accumulations have been found, some 14 of which had been publicized at the time of this paper. We estimate that industry has spent more than $4 billion nominal to discover at least 1.5 billion bbl of oil equivalent, of which only a small fraction has been developed and produced. Most volumetrically significant deep-water discoveries can be geographically grouped into six [open quotes]corridors[close quotes] in which industry collaboration in terms of shared infrastructure, operating principles, service company support, etc., seems inevitable. Given the tremendous technical challenges and uncertainties associated with the play, coupled with the high cost of building, installing, and operating deep-water production systems, industry cooperation similar to that found in some international arenas will be critical to achieving production in this promising new area of an established basin.

  18. Using landscape typologies to model socioecological systems: Application to agriculture of the United States Gulf Coast

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Preston, Benjamin L.; King, Anthony Wayne; Mei, Rui; Nair, Sujithkumar Surendran

    2016-02-11

    Agricultural enterprises are vulnerable to the effects of climate variability and change. Improved understanding of the determinants of vulnerability and adaptive capacity in agricultural systems is important for projecting and managing future climate risk. At present, three analytical tools dominate methodological approaches to understanding agroecological vulnerability to climate: process-based crop models, empirical crop models, and integrated assessment models. A common weakness of these approaches is their limited treatment of socio-economic conditions and human agency in modeling agroecological processes and outcomes. This study proposes a framework that uses spatial cluster analysis to generate regional socioecological typologies that capture geographic variance inmore » regional agricultural production and enable attribution of that variance to climatic, topographic, edaphic, and socioeconomic components. This framework was applied to historical corn production (1986-2010) in the U.S. Gulf of Mexico region as a testbed. The results demonstrate that regional socioeconomic heterogeneity is an important driving force in human dominated ecosystems, which we hypothesize, is a function of the link between socioeconomic conditions and the adaptive capacity of agricultural systems. Meaningful representation of future agricultural responses to climate variability and change is contingent upon understanding interactions among biophysical conditions, socioeconomic conditions, and human agency their incorporation in predictive models.« less

  19. Upper Pleistocene-to-Holocene depositional sequences in the north-central Gulf of Mexico

    SciTech Connect (OSTI)

    Bowland, C. ); Wood, L.J. )

    1991-03-01

    Upper Quaternary depositional sequences and their systems tracts can be delineated in the Main Pass area using minisparker seismic data. Core collected by the Gulf of Mexico Outer Shelf/Slope Research Consortium (Amoco, ARCO, BP, Chevron, Elf-Aquitaine, Exxon, Marathon, Mobil, and Texaco) sampled these systems tracts on one site in Main Pass 303. At the shelfbreak, a distinct change in depositional style occurs across the latest Wisconsinan sequence boundary. Widespread progradational systems (late highstand systems tract) below become focused into discrete depocenters with predominantly aggradational deposits (lowstand systems tract) above. Focusing was probably a result of localized high subsidence rates due to salt movement, progradation into rapidly deepening water, and, possibly, stabilization of sediment transport paths on the exposed shelf. No age-equivalent submarine canyons are present in this area. The oldest mappable systems tract is a highstand systems tract deposited during stage 3 interstadial and the early-to-middle stage 2 glacial. The overlying transgressive systems tract was deposited coeval with the stage 2-stage 1 transition. It thins in a land-ward direction, except where an updip depocenter was present. At the corehole site, the transgressive systems tract consists of fining-upward deposits ranging from medium-grained sands to clays. The transgressive systems tract includes small slope-front-fill lenses deposited on the uppermost slope above and adjacent to lowstand deltaic depocenters. These lenses likely comprise silt and clay derived from either reworking of lowstand deltas or sediment bypassing the outer shelf.

  20. An analysis of uranium dispersal and health effects using a Gulf War case study.

    SciTech Connect (OSTI)

    Marshall, Albert Christian

    2005-07-01

    The study described in this report used mathematical modeling to estimate health risks from exposure to depleted uranium (DU) during the 1991 Gulf War for both U.S. troops and nearby Iraqi civilians. The analysis found that the risks of DU-induced leukemia or birth defects are far too small to result in an observable increase in these health effects among exposed veterans or Iraqi civilians. Only a few veterans in vehicles accidentally struck by U.S. DU munitions are predicted to have inhaled sufficient quantities of DU particulate to incur any significant health risk (i.e., the possibility of temporary kidney damage from the chemical toxicity of uranium and about a 1% chance of fatal lung cancer). The health risk to all downwind civilians is predicted to be extremely small. Recommendations for monitoring are made for certain exposed groups. Although the study found fairly large calculational uncertainties, the models developed and used are generally valid. The analysis was also used to assess potential uranium health hazards for workers in the weapons complex. No illnesses are projected for uranium workers following standard guidelines; nonetheless, some research suggests that more conservative guidelines should be considered.

  1. Assessment of damage to the desert surfaces of Kuwait due to the Gulf War

    SciTech Connect (OSTI)

    El-Baz, F. . Center for Remote Sensing); Al-Ajmi, D. . Environmental and Earth Sciences Div.)

    1993-01-01

    This is a preliminary report on a joint research project by Boston University and the Kuwait Institute for Scientific Research that commenced in April 1992. The project aim is to establish the extent and nature of environmental damage to the desert surface and coastal zone of Kuwait due to the Gulf War and its aftermath. Change detection image enhancement techniques were employed to enhance environmental change by comparison of Landsat Thematic Mapper images obtained before the wars and after the cessation of the oil and well fires. Higher resolution SPOT images were also utilized to evaluate the nature of the environmental damage to specific areas. The most prominent changes were due to: (1) the deposition of oil and course-grained soot on the desert surface as a result of oil rain'' from the plume that emanated from the oil well fires; (2) the formation of hundreds of oil lakes, from oil seepage at the damaged oil well heads; (3) the mobilization of sand and dust and (4) the pollution of segments of the coastal zone by the deposition of oil from several oil spills. Interpretation of satellite image data are checked in the field to confirm the observations, and to assess the nature of the damage. Final results will be utilized in establishing the needs for remedial action to counteract the harmful effects of the various types of damage to the environment of Kuwait.

  2. Summary of the Mid-Atlantic conference on small-scale hydropower in the Mid-Atlantic states: resolution of the barriers impeding its development

    SciTech Connect (OSTI)

    Not Available

    1980-05-01

    The workshop was conducted to bring together interested persons to examine and discuss the major problems associated with small-scale hydroelectric dam development in the Mid-Atlantic region. The conference opened with an introductory panel which outlined the objectives and the materials available to conference participants. Two of the workshops discussed problems and policy responses raised by state and Federal regulation. The other two workshops concerned economic issues confronting small-scale hydro development and the operation and usefulness of the systems dynamics model under development by the Thayer School of Engineering at Dartmouth. Various Federal and state programs designed to stimulate small-scale hydro development were discussed. A plenary session completed the workshops.

  3. Sedimentation pulse in the NE Gulf of Mexico following the 2010 DWH blowout

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Brooks, Gregg R.; Larson, Rebekka A.; Schwing, Patrick T.; Romero, Isabel; Moore, Christopher; Reichart, Gert -Jan; Jilbert, Tom; Chanton, Jeff P.; Hastings, David W.; Overholt, Will A.; et al

    2015-07-14

    The objective of this study was to investigate the impacts of the Deepwater Horizon (DWH) oil discharge at the seafloor as recorded in bottom sediments of the DeSoto Canyon region in the northeastern Gulf of Mexico. Through a close coupling of sedimentological, geochemical, and biological approaches, multiple independent lines of evidence from 11 sites sampled in November/December 2010 revealed that the upper ~1 cm depth interval is distinct from underlying sediments and results indicate that particles originated at the sea surface. Consistent dissimilarities in grain size over the surficial ~1 cm of sediments correspond to excess 234Th depths, which indicatesmore » a lack of vertical mixing (bioturbation), suggesting the entire layer was deposited within a 4–5 month period. In addition, a time series from four deep-sea sites sampled up to three additional times over the following two years revealed that excess 234Th depths, accumulation rates, and 234Th inventories decreased rapidly, within a few to several months after initial coring. The interpretation of a rapid sedimentation pulse is corroborated by stratification in solid phase Mn, which is linked to diagenesis and redox change, and the dramatic decrease in benthic formanifera density that was recorded in surficial sediments. Results are consistent with a brief depositional pulse that was also reported in previous studies of sediments, and marine snow formation in surface waters closer to the wellhead during the summer and fall of 2010. Although sediment input from the Mississippi River and advective transport may influence sedimentation on the seafloor in the DeSoto Canyon region, we conclude based on multidisciplinary evidence that the sedimentation pulse in late 2010 is the product of marine snow formation and is likely linked to the DWH discharge.« less

  4. Sedimentation pulse in the NE Gulf of Mexico following the 2010 DWH blowout

    SciTech Connect (OSTI)

    Brooks, Gregg R.; Larson, Rebekka A.; Schwing, Patrick T.; Romero, Isabel; Moore, Christopher; Reichart, Gert -Jan; Jilbert, Tom; Chanton, Jeff P.; Hastings, David W.; Overholt, Will A.; Marks, Kala P.; Kostka, Joel E.; Holmes, Charles W.; Hollander, David; Chin, Wei -Chun

    2015-07-14

    The objective of this study was to investigate the impacts of the Deepwater Horizon (DWH) oil discharge at the seafloor as recorded in bottom sediments of the DeSoto Canyon region in the northeastern Gulf of Mexico. Through a close coupling of sedimentological, geochemical, and biological approaches, multiple independent lines of evidence from 11 sites sampled in November/December 2010 revealed that the upper ~1 cm depth interval is distinct from underlying sediments and results indicate that particles originated at the sea surface. Consistent dissimilarities in grain size over the surficial ~1 cm of sediments correspond to excess 234Th depths, which indicates a lack of vertical mixing (bioturbation), suggesting the entire layer was deposited within a 4–5 month period. In addition, a time series from four deep-sea sites sampled up to three additional times over the following two years revealed that excess 234Th depths, accumulation rates, and 234Th inventories decreased rapidly, within a few to several months after initial coring. The interpretation of a rapid sedimentation pulse is corroborated by stratification in solid phase Mn, which is linked to diagenesis and redox change, and the dramatic decrease in benthic formanifera density that was recorded in surficial sediments. Results are consistent with a brief depositional pulse that was also reported in previous studies of sediments, and marine snow formation in surface waters closer to the wellhead during the summer and fall of 2010. Although sediment input from the Mississippi River and advective transport may influence sedimentation on the seafloor in the DeSoto Canyon region, we conclude based on multidisciplinary evidence that the sedimentation pulse in late 2010 is the product of marine snow formation and is likely linked to the DWH discharge.

  5. Reservoir facies architecture in a micro-tidal barrier system, Frio formation, Texas Gulf Coast

    SciTech Connect (OSTI)

    Galloway, W.E.

    1984-04-01

    Barrier-bar sand bodies are a complex mosaic of barrier-core, shore-face, inlet-fill, tidal-delta, and back-barrier facies. In addition, sandbody stratigraphy and internal depositional architecture are determined by the progradational, aggradational, or transgressive origin of the barrier complex. The Frio barrier/strandplain system of the middle Texas Gulf Coast has produced more than 3 billion bbl of oil. Examination of the Greta, Glasscock, and 41-A sands in West Ranch field illustrates the variability of barrier reservoirs. Each reservoir is a mosaic of variably interconnected compartments having sheet, tab, pod, or channel geometries. Conventional facies analysis (isolith and log-pattern mapping and limited core examination) combined with semiquantitative delineation of hydrocarbon-saturation distribution using resistivity logs defined the facies components of each reservoir. The 41-A sand consists of juxtaposed progradational barrier-core, inlet-fill, and flood tidal-delta units. The Glasscock sand is largely a transgressive barrier-flat and washover-fan deposit. The Greta sand is a complex of aggradational barrier-core and inlet-fill facies. Productive attributes of each reservoir are influenced by its facies architecture and attendant relative permeabilities. Natural water drive is ineffective in the volumetrically restricted transgressive Glasscock reservoir. Permeability distribution in the 41-A reservoir is facies defined. Erratic injection response, irregular oil-water contact advance, and variable water/oil ratios observed during the productive history of individual reservoirs document localized facies effects on fluid flow. Spatial variation of the gas/oil ratio may also reflect facies distribution.

  6. Land subsidence along the northeastern Texas Gulf coast: Effects of deep hydrocarbon production

    SciTech Connect (OSTI)

    Sharp, J.M. Jr.; Hill, D.W.

    1995-04-01

    The Texas Gulf of Mexico coast is experiencing high (5-11 mm/yr) rates of relative sea level (RSL) rise that are the sum of subsidence and eustatic sea level (ESL) rise. Even higher rates are associated with areas of ground-water pumping from confined aquifers. We investigate the possibility of deep petroleum production as a cause for the high regional rates of subsidence. The northeast Texas coast was chosen for the study because it has a high rate of RSL rise, very limited groundwater production, and a long history of petroleum production. We examine in detail the Big Hill and Fannett fields, for which adequate bottom hole pressure (BHP) and well log data are available. The hypothesis of deep petroleum production is tested in three ways. First, industry BHP tests show many of the fields are depressurized to far below hydrostatic pressures. Second, analysis of BHP data over time in the Big Hill and Fannett fields indicates that some zones in these fields were below hydrostatic when production commenced. This indicates that depressurization from production in neighboring fields or zones within the same filed is not limited to the production zone. Third, three models for subsidence (a general 1-D regional model, an intra-reservoir model, and a reservoir bounding layer model), using reasonable hydrogeological parameters, predict subsidence within the inferred range of data. The latter two models use data from the Big Hill and Fannett fields. Additional verification of the hypothesis that deep petroleum production is causing or accelerating regional subsidence will require the collection and analysis of data on the subsurface hydrogeological parameters and detailed measure ments of the spatial and temporal distribution of subsidence along the Texas Coast.

  7. Steam Dryer Segmentation and Packaging at Grand Gulf Nuclear Station - 13577

    SciTech Connect (OSTI)

    Kreitman, Paul J.; Sirianni, Steve R.; Pillard, Mark M.

    2013-07-01

    Entergy recently performed an Extended Power Up-rate (EPU) on their Grand Gulf Nuclear Station, near Port Gibson, Mississippi. To support the EPU, a new Steam Dryer Assembly was installed during the last refueling outage. Due to limited access into the containment, the large Replacement Steam Dryer (RSD) had to be brought into the containment in pieces and then final assembly was completed on the refueling floor before installation into the reactor. Likewise, the highly contaminated Original Steam Dryer (OSD) had to be segmented into manageable sections, loaded into specially designed shielded containers, and rigged out of containment where they will be safely stored until final disposal is accomplished at an acceptable waste repository. Westinghouse Nuclear Services was contracted by Entergy to segment, package and remove the OSD from containment. This work was performed on critical path during the most recent refueling outage. The segmentation was performed underwater to minimize radiation exposure to the workers. Special hydraulic saws were developed for the cutting operations based on Westinghouse designs previously used in Sweden to segment ABB Reactor Internals. The mechanical cutting method was selected because of its proven reliability and the minimal cutting debris that is generated by the process. Maintaining stability of the large OSD sections during cutting was accomplished using a custom built support stand that was installed into the Moisture Separator Pool after the Moisture Separator was installed back in the reactor vessel. The OSD was then moved from the Steam Dryer Pool to the Moisture Separator Pool for segmentation. This scenario resolved the logistical challenge of having two steam dryers and a moisture separator in containment simultaneously. A water filtration/vacuum unit was supplied to maintain water clarity during the cutting and handling operations and to collect the cutting chips. (authors)

  8. Metagenomics, metatranscriptomics and single cell genomics reveal functional response of active Oceanospirillales to Gulf oil spill

    SciTech Connect (OSTI)

    Mason, Olivia U.; Hazen, Terry C.; Borglin, Sharon; Chain, Patrick S. G.; Dubinsky, Eric A.; Fortney, Julian L.; Han, James; Holman, Hoi-Ying N.; Hultman, Jenni; Lamendella, Regina; Mackelprang, Rachel; Malfatti, Stephanie; Tom, Lauren M.; Tringe, Susannah G.; Woyke, Tanja; Zhou, Jizhong; Rubin, Edward M.; Jansson, Janet K.

    2012-06-12

    The Deepwater Horizon oil spill in the Gulf of Mexico resulted in a deep-sea hydrocarbon plume that caused a shift in the indigenous microbial community composition with unknown ecological consequences. Early in the spill history, a bloom of uncultured, thus uncharacterized, members of the Oceanospirillales was previously detected, but their role in oil disposition was unknown. Here our aim was to determine the functional role of the Oceanospirillales and other active members of the indigenous microbial community using deep sequencing of community DNA and RNA, as well as single-cell genomics. Shotgun metagenomic and metatranscriptomic sequencing revealed that genes for motility, chemotaxis and aliphatic hydrocarbon degradation were significantly enriched and expressed in the hydrocarbon plume samples compared with uncontaminated seawater collected from plume depth. In contrast, although genes coding for degradation of more recalcitrant compounds, such as benzene, toluene, ethylbenzene, total xylenes and polycyclic aromatic hydrocarbons, were identified in the metagenomes, they were expressed at low levels, or not at all based on analysis of the metatranscriptomes. Isolation and sequencing of two Oceanospirillales single cells revealed that both cells possessed genes coding for n-alkane and cycloalkane degradation. Specifically, the near-complete pathway for cyclohexane oxidation in the Oceanospirillales single cells was elucidated and supported by both metagenome and metatranscriptome data. The draft genome also included genes for chemotaxis, motility and nutrient acquisition strategies that were also identified in the metagenomes and metatranscriptomes. These data point towards a rapid response of members of the Oceanospirillales to aliphatic hydrocarbons in the deep sea.

  9. SUPPORT OF GULF OF MEXICO HYDRATE RESEARCH CONSORTIUM: ACTIVITIES TO SUPPORT ESTABLISHMENT OF A SEA FLOOR MONITORING STATION PROJECT

    SciTech Connect (OSTI)

    J. Robert Woolsey; Tom McGee; Carol Lutken; Elizabeth Stidham

    2006-06-01

    The Gulf of Mexico Hydrates Research Consortium (GOM-HRC) was established in 1999 to assemble leaders in gas hydrates research. The Consortium is administered by the Center for Marine Resources and Environmental Technology, CMRET, at the University of Mississippi. The primary objective of the group is to design and emplace a remote monitoring station or sea floor observatory (MS/SFO) on the sea floor in the northern Gulf of Mexico by the year 2007, in an area where gas hydrates are known to be present at, or just below, the sea floor. This mission, although unavoidably delayed by hurricanes and other disturbances, necessitates assembling a station that will monitor physical and chemical parameters of the marine environment, including sea water and sea-floor sediments, on a more-or-less continuous basis over an extended period of time. In 2005, biological monitoring, as a means of assessing environmental health was added to the mission of the MS/SFO. Establishment of the Consortium has succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among researchers in the arena of gas hydrates research. Complementary expertise, both scientific and technical, has been assembled to promote innovative research methods and construct necessary instrumentation. The observatory has now achieved a microbial dimension in addition to the geophysical and geochemical components it had already included. Initial components of the observatory, a probe that collects pore-fluid samples and another that records sea floor temperatures, were deployed in Mississippi Canyon 118 in May of 2005. Follow-up deployments, planned for fall 2005, had to be postponed due to the catastrophic effects of Hurricane Katrina (and later, Rita) on the Gulf Coast. Every effort was made to locate and retain the services of a suitable vessel and submersibles or Remotely Operated Vehicles (ROVs) following the storms and the loss of the contracted vessel

  10. The erosion-corrosion of copper-based and nickel-based alloys in warm polluted Arabian Gulf seawater

    SciTech Connect (OSTI)

    Carew, J.A.; Islam, M.

    1994-12-31

    This paper presents the results of an investigation of the erosion-corrosion behavior of copper-nickel alloys (90:10 Cu/Ni and 7030 Cu/Ni), nickel-copper alloy UNS N04400 and nickel-based alloys (UNS N06022, N06030 and UNS S32550) used as heat exchanger tubes, in warm flowing Arabian Gulf seawater containing up to 5 ppm of sulphide ions. Visual and optical examinations of the internal surfaces of the tubes were carried out to compare the susceptibilities to erosion-corrosion attack of the different alloys, taking into consideration the nature of the product films formed.

  11. Design and operating characteristics of cathodic protection systems associated with large seawater intake reinforced concrete structures in the Arabian Gulf

    SciTech Connect (OSTI)

    Ali, M.; Chaudhary, Z.; Al-Muhid, T.M.M.

    1999-07-01

    The large reinforced concrete seawater intake structures, which are part of a cooling system in several petrochemical plants located in the Arabian Gulf, have been catholically protected to arrest chloride-induced corrosion of the steel reinforcement. The cathodic protection systems have an operating history of 1--5 years. The design and operating features of the cathodic protection systems are described and discussed. Monitoring data of each system collected over the years since commissioning of the systems are described and discussed to evaluate performance of each system.

  12. Ecology of Juvenile Salmon in Shallow Tidal Freshwater Habitats of the Lower Columbia River, 2007–2010

    SciTech Connect (OSTI)

    Johnson, Gary E.; Storch, Adam; Skalski, J. R.; Bryson, Amanda J.; Mallette, Christine; Borde, Amy B.; Van Dyke, E.; Sobocinski, Kathryn L.; Sather, Nichole K.; Teel, David; Dawley, Earl M.; Ploskey, Gene R.; Jones, Tucker A.; Zimmerman, Shon A.; Kuligowski, D. R.

    2011-03-01

    The TFM study was designed to investigate the ecology and early life history of juvenile salmonids within shallow (<5 m) tidal freshwater habitats of the LCRE. We started collecting field data in June 2007. Since then, monthly sampling has occurred in the vicinity of the Sandy River delta (rkm 192–208) and at other sites and times in lower river reaches of tidal freshwater (rkm 110 to 141). This report provides a comprehensive synthesis of data covering the field period from June 2007 through April 2010.

  13. Hydrologic and geologic aspects of low-level radioactive-waste site management. [Shallow land burial at Oak Ridge

    SciTech Connect (OSTI)

    Cutshall, N.H.; Vaughan, N.D.; Haase, C.S.; Olsen, C.R.; Huff, D.D.

    1982-01-01

    Hydrologic and geologic site characterization is a critical phase in development of shallow land-burial sites for low-level radioactive-waste disposal, especially in humid environments. Structural features such as folds, faults, and bedding and textural features such as formation permeability, porosity, and mineralogy all affect the water balance and water movement and, in turn, radionuclide migration. Where these features vary over short distance scales, detailed mapping is required in order to enable accurate model predictions of site performance and to provide the basis for proper design and planning of site-disposal operations.

  14. Stabilizing shallow color centers in diamond created by nitrogen delta-doping using SF{sub 6} plasma treatment

    SciTech Connect (OSTI)

    Osterkamp, Christian; Lang, Johannes; Scharpf, Jochen; Mller, Christoph; McGuinness, Liam Paul; Naydenov, Boris Jelezko, Fedor; Diemant, Thomas; Behm, R. Jrgen

    2015-03-16

    Here we report the fabrication of stable, shallow (<5?nm) nitrogen-vacancy (NV) centers in diamond by nitrogen delta doping at the last stage of the chemical vapor deposition growth process. The NVs are stabilized after treating the diamond in SF{sub 6} plasma, otherwise the color centers are not observed, suggesting a strong influence from the surface. X-ray photoelectron spectroscopy measurements show the presence of only fluorine atoms on the surface, in contrast to previous studies, indicating very good surface coverage. We managed to detect hydrogen nuclear magnetic resonance signal from protons in the immersion oil, revealing a depth of the NVs of about 5?nm.

  15. Monitoring Potential Transport of Radioactive Contaminants in Shallow Ephemeral Channels: FY 2012

    SciTech Connect (OSTI)

    Miller, Julianne J.; Mizell, Steve A.; McCurdy, Greg; Campbell, Scott A.

    2012-09-01

    The US Department of Energy (DOE) National Nuclear Security Administration (NNSA), Nevada Site Office (NSO), Environmental Management’s Soils Activity has authorized the Desert Research Institute (DRI) to conduct field assessments of potential sediment transport of contaminated soil from Corrective Action Unit (CAU) 550, Smoky Contamination Area (CA), during precipitation runoff events. CAU 550 includes Corrective Action Sites (CASs) 08-23-03, 08-23-04, 08-23-06, and 08-23-07; these CASs are associated with tests designated Ceres, Smoky, Oberon, and Titania, respectively. Field measurements at the T-4 Atmospheric Test Site, CAU 370, suggest that radioactive material may have migrated along a shallow ephemeral drainage that traverses the site (NNSA/NSO, 2009). (It is not entirely clear how contaminated soils got into their present location at the T-4 Site, but flow to the channel has been redirected and the contamination does not appear to be migrating at present.) Although DRI initially looked at the CAU 370 site, given that it could not be confirmed that migration of contamination into the channel was natural, an alternate study site was selected at CAU 550. Aerial surveys in selected portions of the Nevada National Security Site (NNSS) also suggest that radioactivity may be migrating along ephemeral channels in Areas 3, 8, 11, 18, and 25 (Colton, 1999). Figure 1 shows the results of a low-elevation aerial survey (Colton, 1999) in Area 8. The numbered markers in Figure 1 identify ground zero for three safety experiments conducted in 1958 [Oberon (number 1), Ceres (number 2), and Titania (number 4)] and a weapons effects test conducted in 1964, Mudpack (number 3). This survey suggests contaminants may be migrating down the ephemeral channels that traverse CAU 550. Note particularly the lobe of higher concentration extending southeastward at the south end of the high concentration area marked as number 3 in Figure 1. CAU 550 in Area 8 of the NNSS was selected for

  16. Potential Economic Impacts from Offshore Wind in the Mid-Atlantic Region (Fact Sheet)

    SciTech Connect (OSTI)

    Keyser, D.; Tegen, S.; Flores, F.; Zammit, D.; Kraemer, M.; Miles, J.

    2014-01-01

    Offshore wind is a clean, renewable source of energy and can be an economic driver in the United States. To better understand the employment opportunities and other potential regional economic impacts from offshore wind development, the U.S. Department of Energy (DOE) funded research that focuses on four regions of the country. The studies use multiple scenarios with various local job and domestic manufacturing content assumptions. Each regional study uses the new offshore wind Jobs and Economic Development Impacts (JEDI) model, developed by the National Renewable Energy Laboratory. This fact sheet summarizes the potential economic impacts for the Mid-Atlantic region.

  17. Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data

    SciTech Connect (OSTI)

    Saracino-Brown, Jocelyn; Smith, Courtney; Gilman, Patrick

    2013-07-01

    The Wind Program hosted a two-day workshop on July 24-25, 2012 with scientists and regulators engaged in marine ecological survey, modeling, and database efforts pertaining to the waters of the Mid-Atlantic region. The workshop was planned by Federal agency, academic, and private partners to promote collaboration between ongoing offshore ecological survey efforts, and to promote the collaborative development of complementary predictive models and compatible databases. The meeting primarily focused on efforts to establish and predict marine mammal, seabird, and sea turtle abundance, density, and distributions extending from the shoreline to the edge of the Exclusive Economic Zone between Nantucket Sound, Massachusetts and Cape Hatteras, North Carolina.

  18. Support of Publication Costs, Atlantic Meridional Overturning Circulation Special Issue of Deep Sea Research II Journal

    SciTech Connect (OSTI)

    Amy Honchar

    2012-11-12

    The contribution of funds from DOE supported publication costs of a special issue of Deep Sea Research arising from presentations at the First U.S. Atlantic Meridional Overturning Circulation (AMOC) Meeting held 4-6 May, 2009 to review the US implementation plan and its coordination with other monitoring activities. The special issue includes a total of 16 papers, including publications from three DOE-supported investigators (ie Sevellec, F., and A.V. Fedorov; Hu et. al., and Wan et. al.,). The special issue addresses DOE interests in understanding and simulation/modeling of abrupt climate change.

  19. DOE Designates Southwest Area and Mid-Atlantic Area National Interest Electric Transmission Corridors

    Broader source: Energy.gov [DOE]

    U.S. Department of Energy (DOE) Assistant Secretary for Electricity Delivery and Energy Reliability Kevin M. Kolevar today announced the Department's designation of two National Interest Electric Transmission Corridors (National Corridors) -- the Mid-Atlantic Area National Interest Electric Transmission Corridor, and the Southwest Area National Interest Electric Transmission Corridor. These corridors include areas in two of the Nation's most populous regions with growing electricity congestion problems. The Department based its designations on data and analysis showing that persistent transmission congestion exists in these two areas.

  20. Modulation of extremes in the Atlantic region by modes of climate variability/change: A mechanistic coupled regional model study

    SciTech Connect (OSTI)

    Saravanan, Ramalingam

    2015-01-09

    During the course of this project, we have accomplished the following: 1) Explored the parameter space of component models to minimize regional model bias 2) Assessed the impact of air-sea interaction on hurricanes, focusing in particular on the role of the oceanic barrier layer 3) Contributed to the activities of the U.S. CLIVAR Hurricane Working Group 4) Assessed the impact of lateral and lower boundary conditions on extreme flooding events in the U.S. Midwest in regional model simulations 5) Analyzed the concurrent impact of El Nio-Southern Oscillation and Atlantic Meridional Mode on Atlantic Hurricane activity using observations and regional model simulations

  1. Estimated Fall Chinook Salmon Survival to Emergence in Dewatered Redds in a Shallow Side Channel of the Columbia River

    SciTech Connect (OSTI)

    McMichael, Geoffrey A.; Rakowski, Cynthia L.; James, B B.; Lukas, Joe

    2005-08-01

    Fall Chinook salmon (Oncorhynchus tshawytscha) often spawn in the tailraces of large hydroelectric dams on the Columbia River. Redds built in shallow habitats downstream of these dams may be periodically dewatered due to hydropower operations prior to the emergence of fry. To determine whether fall Chinook salmon redds were successful in a shallow area subjected to periodic dewatering downstream of Wanapum Dam on the Columbia River, we installed 7 redd caps and monitored fry emergence. Large numbers of live fry were captured from the redds between March 9 and May 18, 2003. Estimated survival from egg to fry for these redds, which were all subjected to some degree of dewatering during the incubation and post-hatch intragravel rearing period, ranged from 16.1 to 63.2 percent and averaged 27.8 percent (assuming 4,500 eggs/redd). The peak emergence date ranged from April 1 to 29, with the average peak about April 14, 2003. Mean fork length of fall Chinook salmon emerging from individual redds ranged from 38.3 to 41.2 mm, and lengths of fish emerging from individual redds increased throughout the emergence period.

  2. Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore

    SciTech Connect (OSTI)

    Cohen, D.A.; Shedlock, R.J.

    1986-01-01

    The Cowles Unit of Indiana Dunes National Lakeshore in Porter County, northwest Indiana, contains a broad dune-beach complex along the southern shoreline of Lake Michigan and a large wetland, called the Great Marsh, that occupies the lowland between the shoreline dunes and an older dune-beach complex farther inland. Water levels and water quality in the surficial aquifer were monitored from 1977 to 1984 near settling ponds on adjacent industrial property at the western end of the Cowles Unit. Since 1980, when the settling pond bottoms were sealed, these intradunal lowlands contained standing water only during periods of high snowmelt or rainfall. Water level declines following the cessation of seepage ranged from 6 feet at the eastern-most settling pond to nearly 14 feet at the western-most pond. No general pattern of water table decline was observed in the Great Marsh or in the shoreline dune complex at distances > 3,000 ft east or north of the settling ponds. Since the settling ponds were sealed, the concentration of boron has decreased while concentrations of cadmium, arsenic, zinc, and molybdenum in shallow ground-water downgradient of the ponds show no definite trends in time. Arsenic, boron and molybdenum have remained at concentrations above those of shallow groundwater in areas unaffected by settling pond seepage. 11 refs., 10 figs., 1 tab.

  3. Volume and accessibility of entrained (solution) methane in deep geopressured reservoirs - tertiary formations of the Texas Gulf Coast. Final report

    SciTech Connect (OSTI)

    Gregory, A.R.; Dodge, M.M.; Posey, J.S.; Morton, R.A.

    1980-10-01

    The objective of this project was to appraise the total volume of in-place methane dissolved in formation waters of deep sandstone reservoirs of the onshore Texas Gulf Coast within the stratigraphic section extending from the base of significant hydrocarbon production (8000 ft)* to the deepest significant sandstone occurrence. The area of investigation is about 50,000 mi/sup 2/. Factors that determine the total methane resource are reservoir bulk volume, porosity, and methane solubility; the latter is controlled by the temperature, pressure, and salinity of formation waters. Regional assessment of the volume and the distribution of potential sandstone reservoirs was made from a data base of 880 electrical well logs, from which a grid of 24 dip cross sections and 4 strike cross sections was constructed. Solution methane content in each of nine formations or divisions of formations was determined for each subdivision. The distribution of solution methane in the Gulf Coast was described on the basis of five reservoir models. Each model was characterized by depositional environment, reservoir continuity, porosity, permeability, and methane solubility.

  4. Why the Gulf War still matters: Foreign perspectives on the war and the future of international security. Report No. 16

    SciTech Connect (OSTI)

    Garrity, P.J.

    1993-07-01

    This report summarizes the main findings of a Center for National Security Studies (CNSS) project that examined how a number of nations other than the United States have reacted to the course and outcome of the Persian Gulf War of 1991. The project was built around studies of key countries on which the Gulf War might reasonably be expected to have had a significant impact: Argentina, the ASEAN states, Brazil, China, Cuba, Egypt, France, Germany, India, Iran, Iraq, Israel, Italy, Japan, Jordan, Libya, North Korea, Russia, Saudi Arabia, South Korea, Spain, Syria, Taiwan, the United Kingdom, Vietnam, and the states of the former Yugoslavia. These country studies were written by well-recognized independent experts following a common set of guidelines provided by CNSS. When the country studies were completed, they were reviewed and supplemented through a series of peer assessments and workshops. The report represents a synthesis of material generated through this process, and is intended to stimulate thought and further analysis on the critical topics discussed herein.

  5. Seismic stratigraphy of Long Island platform, United States Atlantic Continental Margin

    SciTech Connect (OSTI)

    Jowett, R.A.; Hutchinson, D.R.

    1987-09-01

    Approximately 2000 km of single- and multichannel seismic reflection profiles collected over the Long Island platform on the US Atlantic continental margin show that the basement beneath the platform was rifted prior to the separation of Africa from North America and that it subsided after the separation. Postrift sediment thicknesses range from less than 1 km in the northwest part of the platform to several kilometers in the southeast, near the Atlantis and Nantucket rift basins. Flanking the platform are the Georges Bank basin to the east and Baltimore Canyon Trough to the south, where sedimentary rocks are 10-15 km thick. Nine major unconformities have been delineated in analysis of the seismic profiles. The most conspicuous unconformities are correlated with the end of rifting and the upper surfaces of the Bathonian, Tithonian, Albian, Turonian-Coniacian, Maestrichtian, upper Eocene, mid-Oligocene, and mid-Miocene sections. Ages are determined by tracing reflectors and unconformities to the COST (Continental Offshore Stratigraphic Test), AMCOR (Atlantic Margin Coring Project), and coastal wells. Several of these unconformities coincide with pronounced fluctuations in the Vail curve of relative sea level.

  6. Clay mineralogy of Lower Cretaceous deep-sea fan sediments, western North Atlantic basin

    SciTech Connect (OSTI)

    Holmes, M.A.

    1986-05-01

    The Lower Cretaceous of the eastern North American continent was a time of extensive deltaic progradation. The effects of deltaic deposition on sedimentation in the western North Atlantic were unknown until May 1982, when, at Deep Sea Drilling Project Site 603 off Cape Hatteras, over 260 m of micaceous, muddy turbidites were recovered that correlate with deltaic progradation on eastern North America. The results of clay mineral studies from onshore and offshore equivalents indicate that during the Cretaceous, some sorting of clay minerals by transport processes occurred. Kaolinite tends to accumulate in continental environments, illite in transitional to marine environments, and smectite in deep sea sediments as pelagic clay. In the sediments from the western North Atlantic, illite tended to be more abundant in thick bedded sandy muds, whereas kaolinite tended to be more abundant in thin bedded muddy sands. Although the occurrence of illite and kaolinite in pelagic sediments indicates a general increased terrigenous influence, the results of this study indicate that these two clays behave independently in these sediments. The presence of large amounts of kaolinite at certain levels in these sediments corresponds to phases of maximum deep-sea fan development, and so indicates a more direct input of continental material, with less sorting of sediments by continental and shelf processes (pericontinental fractionation) prior to redeposition.

  7. Using Snow Fences to Augument Fresh Water Supplies in Shallow Arctic Lakes

    SciTech Connect (OSTI)

    Stuefer, Svetlana

    2013-03-31

    This project was funded by the U.S. Department of Energy, National Energy Technology Laboratory (NETL) to address environmental research questions specifically related to Alaska?s oil and gas natural resources development. The focus of this project was on the environmental issues associated with allocation of water resources for construction of ice roads and ice pads. Earlier NETL projects showed that oil and gas exploration activities in the U.S. Arctic require large amounts of water for ice road and ice pad construction. Traditionally, lakes have been the source of freshwater for this purpose. The distinctive hydrological regime of northern lakes, caused by the presence of ice cover and permafrost, exerts influence on lake water availability in winter. Lakes are covered with ice from October to June, and there is often no water recharge of lakes until snowmelt in early June. After snowmelt, water volumes in the lakes decrease throughout the summer, when water loss due to evaporation is considerably greater than water gained from rainfall. This balance switches in August, when air temperature drops, evaporation decreases, and rain (or snow) is more likely to occur. Some of the summer surface storage deficit in the active layer and surface water bodies (lakes, ponds, wetlands) is recharged during this time. However, if the surface storage deficit is not replenished (for example, precipitation in the fall is low and near?surface soils are dry), lake recharge is directly affected, and water availability for the following winter is reduced. In this study, we used snow fences to augment fresh water supplies in shallow arctic lakes despite unfavorable natural conditions. We implemented snow?control practices to enhance snowdrift accumulation (greater snow water equivalent), which led to increased meltwater production and an extended melting season that resulted in lake recharge despite low precipitation during the years of the experiment. For three years (2009, 2010

  8. Pore size distribution and methane equilibrium conditions at Walker Ridge Block 313, northern Gulf of Mexico

    SciTech Connect (OSTI)

    Bihani, Abhishek; Daigle, Hugh; Cook, Ann; Glosser, Deborah; Shushtarian, Arash

    2015-12-15

    Coexistence of three methane phases (liquid (L), gas (G), hydrate (H)) in marine gas hydrate systems may occur according to in-situ pressure, temperature, salinity and pore size. In sediments with salinity close to seawater, a discrete zone of three-phase (3P) equilibrium may occur near the base of the regional hydrate stability zone (RHSZ) due to capillary effects. The existence of a 3P zone influences the location of the bottom-simulating reflection (BSR) and has implications for methane fluxes at the base of the RHSZ. We studied hydrate stability conditions in two wells, WR313-G and WR313-H, at Walker Ridge Block 313 in the northern Gulf of Mexico. We determined pore size distributions (PSD) by constructing a synthetic nuclear magnetic resonance (NMR) relaxation time distribution. Correlations were obtained by non-linear regression on NMR, gamma ray, and bulk density logs from well KC-151 at Keathley Canyon. The correlations enabled construction of relaxation time distributions for WR313-G and WR313-H, which were used to predict PSD through comparison with mercury injection capillary pressure measurements. With the computed PSD, L+H and L+G methane solubility was determined from in-situ pressure and temperature. The intersection of the L+G and L+H curves for various pore sizes allowed calculation of the depth range of the 3P equilibrium zone. As in previous studies at Blake Ridge and Hydrate Ridge, the top of the 3P zone moves upwards with increasing water depth and overlies the bulk 3P equilibrium depth. In clays at Walker Ridge, the predicted thickness of the 3P zone is approximately 35 m, but in coarse sands it is only a few meters due to the difference in absolute pore sizes and the width of the PSD. The thick 3P zone in the clays may explain in part why the BSR is only observed in the sand layers at Walker Ridge, although other factors may influence the presence or absence of a BSR.

  9. Geochemical Analyses of Surface and Shallow Gas Flux and Composition Over a Proposed Carbon Sequestration Site in Eastern Kentucky

    SciTech Connect (OSTI)

    Thomas Parris; Michael Solis; Kathryn Takacs

    2009-12-31

    Using soil gas chemistry to detect leakage from underground reservoirs (i.e. microseepage) requires that the natural range of soil gas flux and chemistry be fully characterized. To meet this need, soil gas flux (CO{sub 2}, CH{sub 4}) and the bulk (CO{sub 2}, CH{sub 4}) and isotopic chemistry ({delta}{sup 13}C-CO2) of shallow soil gases (<1 m, 3.3 ft) were measured at 25 locations distributed among two active oil and gas fields, an active strip mine, and a relatively undisturbed research forest in eastern Kentucky. The measurements apportion the biologic, atmospheric, and geologic influences on soil gas composition under varying degrees of human surface disturbance. The measurements also highlight potential challenges in using soil gas chemistry as a monitoring tool where the surface cover consists of reclaimed mine land or is underlain by shallow coals. For example, enrichment of ({delta}{sup 13}C-CO2) and high CH{sub 4} concentrations in soils have been historically used as indicators of microseepage, but in the reclaimed mine lands similar soil chemistry characteristics likely result from dissolution of carbonate cement in siliciclastic clasts having {delta}{sup 13}C values close to 0{per_thousand} and degassing of coal fragments. The gases accumulate in the reclaimed mine land soils because intense compaction reduces soil permeability, thereby impeding equilibration with the atmosphere. Consequently, the reclaimed mine lands provide a false microseepage anomaly. Further potential challenges arise from low permeability zones associated with compacted soils in reclaimed mine lands and shallow coals in undisturbed areas that might impede upward gas migration. To investigate the effect of these materials on gas migration and composition, four 10 m (33 ft) deep monitoring wells were drilled in reclaimed mine material and in undisturbed soils with and without coals. The wells, configured with sampling zones at discrete intervals, show the persistence of some of the

  10. Study of Reservoir Heterogencities and Structural Features Affecting Production in the Shallow Oil Zone, Eastern Elk Hills Area, California

    SciTech Connect (OSTI)

    Janice Gillespie

    2004-11-01

    Late Neogene (Plio-Pleistocene) shallow marine strata of the western Bakersfield Arch and Elk Hills produce hydrocarbons from several different reservoirs. This project focuses on the shallow marine deposits of the Gusher and Calitroleum reservoirs in the Lower Shallow Oil Zone (LSOZ). In the eastern part of the study area on the Bakersfield Arch at North and South Coles Levee field and in two wells in easternmost Elk Hills, the LSOZ reservoirs produce dry (predominantly methane) gas. In structurally higher locations in western Elk Hills, the LSOZ produces oil and associated gas. Gas analyses show that gas from the eastern LSOZ is bacterial and formed in place in the reservoirs, whereas gas associated with oil in the western part of the study area is thermogenic and migrated into the sands from deeper in the basin. Regional mapping shows that the gas-bearing LSOZ sands in the Coles Levee and easternmost Elk Hills area are sourced from the Sierra Nevada to the east whereas the oil-bearing sands in western Elk Hills appear to be sourced from the west. The eastern Elk Hills area occupied the basin depocenter, farthest from either source area. As a result, it collected mainly low-permeability offshore shale deposits. This sand-poor depocenter provides an effective barrier to the updip migration of gases from east to west. The role of small, listric normal faults as migration barriers is more ambiguous. Because our gas analyses show that the gas in the eastern LSOZ reservoirs is bacterial, it likely formed in-place near the reservoirs and did not have to migrate far. Therefore, the gas could have been generated after faulting and accumulated within the fault blocks as localized pools. However, bacterial gas is present in both the eastern AND western parts of Elk Hills in the Dry Gas Zone (DGZ) near the top of the stratigraphic section even though the measured fault displacement is greatest in this zone. Bacterial gas is not present in the west in the deeper LSOZ which

  11. Appendix A of the Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data

    SciTech Connect (OSTI)

    2013-07-01

    The Wind Program hosted a two-day workshop on July 24-25, 2012 with scientists and regulators engaged in marine ecological survey, modeling, and database efforts pertaining to the waters of the Mid-Atlantic region. This is the first appendix to the report, the workshop agenda.

  12. Appendix E of the Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data

    SciTech Connect (OSTI)

    2013-07-01

    The Wind Program hosted a two-day workshop on July 24-25, 2012 with scientists and regulators engaged in marine ecological survey, modeling, and database efforts pertaining to the waters of the Mid-Atlantic region. This is the fifth appendix to the report, the bibliography of references.

  13. Appendix C of the Final Report of the Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data

    SciTech Connect (OSTI)

    2013-07-01

    The Wind Program hosted a two-day workshop on July 24-25, 2012 with scientists and regulators engaged in marine ecological survey, modeling, and database efforts pertaining to the waters of the Mid-Atlantic region. This is the third appendix to the report, the compendium of pre-workshop answers.

  14. Formation of shallow boron emitters in crystalline silicon using flash lamp annealing: Role of excess silicon interstitials

    SciTech Connect (OSTI)

    Riise, Heine Nygard Azarov, Alexander; Svensson, Bengt G.; Monakhov, Edouard

    2015-07-13

    Shallow, Boron (B)-doped p{sup +} emitters have been realized using spin-on deposition and Flash Lamp Annealing (FLA) to diffuse B into monocrystalline float zone Silicon (Si). The emitters extend between 50 and 140 nm in depth below the surface, have peak concentrations between 9 × 10{sup 19 }cm{sup –3} and 3 × 10{sup 20 }cm{sup –3}, and exhibit sheet resistances between 70 and 3000 Ω/□. An exceptionally large increase in B diffusion occurs for FLA energy densities exceeding ∼93 J/cm{sup 2} irrespective of 10 or 20 ms pulse duration. The effect is attributed to enhanced diffusion of B caused by Si interstitial injection following a thermally activated reaction between the spin-on diffusant film and the silicon wafer.

  15. Water geochemistry and hydrogeology of the shallow aquifer at Roosevelt Hot Springs, southern Utah: A hot dry rock prospect

    SciTech Connect (OSTI)

    Vuataz, F.D.; Goff, F.

    1987-12-01

    On the western edge of the geothermal field, three deep holes have been drilled that are very hot but mostly dry. Two of them (Phillips 9-1 and Acord 1-26 wells) have been studied by Los Alamos National Laboratory for the Hot Dry Rock (HDR) resources evaluation program. A review of data and recommendations have been formulated to evaluate the HDR geothermal potential at Roosevelt. The present report is directed toward the study of the shallow aquifer of the Milford Valley to determine if the local groundwater would be suitable for use as make-up water in an HDR system. This investigation is the result of a cooperative agreement between Los Alamos and Phillips Petroleum Co., formerly the main operator of the Roosevelt Hot Springs Unit. The presence of these hot dry wells and the similar setting of the Roosevelt area to the prototype HDR site at Fenton Hill, New Mexico, make Roosevelt a very good candidate site for creation of another HDR geothermal system. This investigation has two main objectives: to assess the water geochemistry of the valley aquifer, to determine possible problems in future make-up water use, such as scaling or corrosion in the wells and surface piping, and to assess the hydrogeology of the shallow groundwaters above the HDR zone, to characterize the physical properties of the aquifer. These two objectives are linked by the fact that the valley aquifer is naturally contaminated by geothermal fluids leaking out of the hydrothermal reservoir. In an arid region where good-quality fresh water is needed for public water supply and irrigation, nonpotable waters would be ideal for an industrial use such as injection into an HDR energy extraction system. 50 refs., 10 figs., 10 tabs.

  16. Environmental characterization report for the Gulf Interior Region, Texas study area. [Oakwood, Palestine and Keechi salt domes

    SciTech Connect (OSTI)

    Not Available

    1982-10-01

    This report is published as a product of the National Waste Terminal Storage (NWTS) Program. The objective of this program is the development of terminal waste storage facilities in deep, stable geologic formations for high-level nuclear waste, including spent fuel elements from commercial power reactors and transuranic nuclear waste for which the federal government is responsible. The report is part of the area study phase and contains environmental information for the Texas Study Area of the Gulf Interior Region acquired from federal, state, and regional agencies. The data in this report meet the requirements of predetermined survey plans and will be used in determining locations of approximately 80 square kilometers (30 square miles) that will be further characterized. Information on surface water, atmosphere, background radiation, natural ecosystems, agricultural systems, demography, socioeconomics, land use, and transportation is presented. The environmental characterization will ensure that data on environmental values required by the National Environmental Policy Act (NEPA) of 1969 are available.

  17. Final Project Closeout Report for Sprint Hydrogen Fuel Cell (HFC) Deployment Project in California, Gulf Coast and Eastern Seaboard Markets

    SciTech Connect (OSTI)

    Kenny, Kevin; Bradley, Dwayne

    2015-09-01

    Sprint is one of the telecommunications industry leaders in the deployment of hydrogen fuel cell (HFC) systems to provide backup power for their mission critical wireless network facilities. With several hundred fuel cells commissioned in California, states in the gulf coast region, and along the upper eastern seaboard. A strong incentive for advancing the integration of fuel cells into the Sprint network came through the award of a Department of Energy (DOE) grant focused on Market Transformation activities for project (EE0000486). This grant was funded by the 2009 American Recovery and Reinvestment Act (ARRA). The funding provided by DOE ($7.295M) was allocated to support the installation of 260 new HFC systems, equipped with an on-site refillable Medium Pressure Hydrogen Storage Solution (MPHSS), as well as for the conversion of 21 low pressure hydrogen systems to the MPHSS, in hopes of reducing barriers to market acceptance.

  18. DEEPWATER SUBSEA LIQUID/GAS SEPARATION PROCESS UNDER LIVE OIL PRODUCTION CONDITIONS IN THE GULF OF MEXICO

    SciTech Connect (OSTI)

    E. T. Cousins

    2003-04-24

    This report includes technical progress made during the period October 2001 to October 2002. At the end of the first technical progress report the project was moving from feasibility of equipment design work to application of this equipment to the actual site for potential demonstration. The effort focuses on reservoir analysis cost estimations of not only the sub-sea processing unit but also the wells, pipelines, installation costs, operating procedures and economic modeling of the development scheme associated with these items. Geologic risk analysis was also part of the overall evaluation, which is factored into the probabilistic economic analysis. During this period two different potential sites in the Gulf of Mexico were analyzed and one site in Norway was initiated but not completed during the period. A summary of these activities and results are included here.

  19. Natural sulfur flux from the Gulf of Mexico: dimethyl sulfide, carbonyl sulfide, and sulfur dioxide. Technical report

    SciTech Connect (OSTI)

    Van Valin, C.C.; Luria, M.; Wellman, D.L.; Gunter, R.L.; Pueschel, R.F.

    1987-06-01

    Atmospheric measurements of natural sulfur compounds were performed over the northern Gulf of Mexico during the late summer months of 1984. Air samples were collected with an instrumented aircraft at elevations of 30-3500 m, during both day and night. Most air samples were representative of the clean maritime atmosphere, although some were from continental contaminated air during periods of offshore flow at the coastline. In all samples, carbonyl sulfide concentrations were within the range of 400-500 pptv. Conversely, the dimethyl sulfide concentrations showed significant variability: during clean atmospheric conditions the average of all measurements was 27 pptv, whereas under polluted conditions the average was 7 pptv. Measureable quantities of dimethyl sulfide (>5 pptv) were not observed above the boundary layer. The average sulfur dioxide concentration measured in the marine (clean) atmosphere was 215 pptv, which is consistent with the oxidation of dimethyl sulfide being its major source.

  20. SUPPORT OF GULF OF MEXICO HYDRATE RESEARCH CONSORTIUM: ACTIVITIES TO SUPPORT ESTABLISHMENT OF A SEA FLOOR MONITORING STATION PROJECT

    SciTech Connect (OSTI)

    Paul Higley; J. Robert Woolsey; Ralph Goodman; Vernon Asper; Boris Mizaikoff; Angela Davis; Bob A. Hardage; Jeffrey Chanton; Rudy Rogers

    2006-05-18

    The Gulf of Mexico Hydrates Research Consortium (GOM-HRC) was established in 1999 to assemble leaders in gas hydrates research. The primary objective of the group has been to design and emplace a remote monitoring station or sea floor observatory (MS/SFO) on the sea floor in the northern Gulf of Mexico by the year 2005, in an area where gas hydrates are known to be present at, or just below, the sea floor. This mission, although unavoidably delayed by hurricanes and other disturbances, necessitates assembling a station that will monitor physical and chemical parameters of the sea water and sea floor sediments on a more-or-less continuous basis over an extended period of time. Development of the station has always included the possibility of expanding its capabilities to include biological monitoring, as a means of assessing environmental health. This possibility has recently achieved reality via the National Institute for Undersea Science and Technology's (NIUST) solicitation for proposals for research to be conducted at the MS/SFO. Establishment of the Consortium has succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among researchers in the arena of gas hydrates research. Complementary expertise, both scientific and technical, has been assembled to promote innovative research methods and construct necessary instrumentation. The observatory has achieved a microbial dimension in addition to the geophysical and geochemical components it had already included. Initial components of the observatory, a probe that collects pore-fluid samples and another that records sea floor temperatures, were deployed in Mississippi Canyon 118 in May of 2005. Follow-up deployments, planned for fall 2005, have had to be postponed and the use of the vessel M/V Ocean Quest and its two manned submersibles sacrificed due to the catastrophic effects of Hurricane Katrina (and later, Rita) on the Gulf Coast. Every effort is being

  1. Support of Gulf of Mexico Hydrate Research Consortium: Activities to Support Establishment of a Sea Floor Monitoring Station Project

    SciTech Connect (OSTI)

    J. Robert Woolsey; Thomas M. McGee; Carol Blanton Lutken; Elizabeth Stidham

    2007-03-31

    The Gulf of Mexico Hydrates Research Consortium (GOM-HRC) was established in 1999 to assemble leaders in gas hydrates research. The Consortium is administered by the Center for Marine Resources and Environmental Technology, CMRET, at the University of Mississippi. The primary objective of the group is to design and emplace a remote monitoring station or sea floor observatory (MS/SFO) on the sea floor in the northern Gulf of Mexico by the year 2007, in an area where gas hydrates are known to be present at, or just below, the sea floor. This mission, although unavoidably delayed by hurricanes and other disturbances, necessitates assembling a station that will monitor physical and chemical parameters of the marine environment, including sea water and sea-floor sediments, on a more-or-less continuous basis over an extended period of time. In 2005, biological monitoring, as a means of assessing environmental health, was added to the mission of the MS/SFO. Establishment of the Consortium has succeeded in fulfilling the critical need to coordinate activities, avoid redundancies and communicate effectively among researchers in the arena of gas hydrates research. Complementary expertise, both scientific and technical, has been assembled to promote innovative research methods and construct necessary instrumentation. The observatory has now achieved a microbial dimension in addition to the geophysical, geological, and geochemical components it had already included. Initial components of the observatory, a probe that collects pore-fluid samples and another that records sea floor temperatures, were deployed in Mississippi Canyon 118 (MC118) in May of 2005. Follow-up deployments, planned for fall 2005, had to be postponed due to the catastrophic effects of Hurricane Katrina (and later, Rita) on the Gulf Coast. Station/observatory completion, anticipated for 2007, will likely be delayed by at least one year. These delays caused scheduling and deployments difficulties but many

  2. Hydrocarbon gases (free and sorbed) in waters and sediments of the mid-Atlantic ridge

    SciTech Connect (OSTI)

    Sudarikov, S.M.; Levshunova, S.P.

    1996-10-01

    Waters and sediments were sampled during the 10-th cruise of the R/V {open_quotes}Geolog Fersman{close_quotes} at several sites of the Mid-Atlantic rift zone. Extensive geochemical analyses including degasing of waters and sediments, luminescence-bituminological analyses, organic-carbon (OC) and C{sub 1}-C{sub 9} fraction content determining have been carried out. According to the microbiological investigations the 65% of the methane are thermogenic and 35% - bacterial. Correlation between bitumen and metals observed in waters may be explained by the formation of metal-organic complexes. Sediments from the Snake Pit field show high contents of bitumen (0.005%) and of C{sub 1}-C{sub 9} hydrocarbons. The process of hydrocarbons generation in ocean rift zones is treated as a result of the interaction between the OC and inorganic fluids containing hydrogen. We thank the Russian Fundamental Science Foundation for financial support.

  3. Causes of Ocean Surface temperature Changes in Atlantic andPacific Topical Cyclogenesis Regions

    SciTech Connect (OSTI)

    Santer, B.D.; Wigley, T.M.L.; Gleckler, P.J.; Bonfils, C.; Wehner, M.F.; AchutaRao, K.; Barnett, T.P.; Boyle, J.S.; Bruggemann, W.; Fiorino, M.; Gillett, N.; Hansen, J.E.; Jones, P.D.; Klein, S.A.; Meehl,G.A.; Raper, S.C.B.; Reynolds, R.W.; Stott, P.A.; Taylor, K.E.; Washington, W.M.

    2006-01-31

    Previous research has identified links between changes in sea surface temperature (SST) and hurricane intensity. We use climate models to study the possible causes of SST changes in Atlantic and Pacific tropical cyclogenesis regions. The observed SST increases in these regions range from 0.32 to 0.67 C over the 20th century. The 22 climate models examined here suggest that century-timescale SST changes of this magnitude cannot be explained solely by unforced variability of the climate system, even under conservative assumptions regarding the magnitude of this variability. Model simulations that include external forcing by combined anthropogenic and natural factors are generally capable of replicating observed SST changes in both tropical cyclogenesis regions.

  4. Efficient Multifamily Homes in a Hot Humid Climate by Atlantic Housing Partners

    SciTech Connect (OSTI)

    Chaser, Dave; Martin, Eric

    2013-04-01

    With assistance from the Florida Solar Energy Center (FSEC) and its Building America Partnership for Improved Residential Construction (BA-PIRC), Atlantic Housing Partners (AHP) has implemented a high performance, systems engineered package of measures. This report demonstrates how the initiative achieves Building America (BA) goals of 30%-50% energy savings. Specifically, the goals are documented as being achieved in the new construction multifamily housing sector in the hot humid climate. Results from energy modeling of the high performance package are presented. The role of utility allowance calculations, used as part of the low-income housing tax credit process, to value those energy savings is discussed, as is customer satisfaction with heat pump water heaters.

  5. Efficient Multifamily Homes in a Hot-Humid Climate by Atlantic Housing Partners

    SciTech Connect (OSTI)

    Chasar, D.; Martin, E.

    2013-04-01

    With assistance from the Florida Solar Energy Center (FSEC) and its Building America Partnership for Improved Residential Construction (BA-PIRC), Atlantic Housing Partners (AHP) has implemented a high performance, systems engineered package of measures. This report demonstrates how the initiative achieves Building America (BA) goals of 30%-50% energy savings. Specifically, the goals are documented as being achieved in the new construction multifamily housing sector in the hot humid climate. Results from energy modeling of the high performance package are presented. The role of utility allowance calculations, used as part of the low-income housing tax credit process, to value those energy savings is discussed, as is customer satisfaction with heat pump water heaters.

  6. Design and Implementation of a C02 Flood Utilizing Advanced Reservoir Characterization and Horizontal Injection Wells in a Shallow Shelf Carbonate Approaching Waterflood Depletion

    SciTech Connect (OSTI)

    1997-08-01

    The objective is to utilize reservoir characteristics and advanced technologies to optimize the design of a carbon dioxide (CO2) project for the South Cowden Unit (SCU) located in Ector County, Texas. The SCU is a mature, relatively small, shallow shelf carbonate unit nearing waterflood depletion. Also the project seeks to demonstrate the performance and economic viability of the project in the field.

  7. RACORO continental boundary layer cloud investigations. 3. Separation of parameterization biases in single-column model CAM5 simulations of shallow cumulus

    SciTech Connect (OSTI)

    Lin, Wuyin; Liu, Yangang; Vogelmann, Andrew M.; Fridlind, Ann; Endo, Satoshi; Song, Hua; Feng, Sha; Toto, Tami; Li, Zhijin; Zhang, Minghua

    2015-06-19

    Climatically important low-level clouds are commonly misrepresented in climate models. The FAst-physics System TEstbed and Research (FASTER) project has constructed case studies from the Atmospheric Radiation Measurement (ARM) Climate Research Facility's Southern Great Plain site during the RACORO aircraft campaign to facilitate research on model representation of boundary-layer clouds. This paper focuses on using the single-column Community Atmosphere Model version 5 (SCAM5) simulations of a multi-day continental shallow cumulus case to identify specific parameterization causes of low-cloud biases. Consistent model biases among the simulations driven by a set of alternative forcings suggest that uncertainty in the forcing plays only a relatively minor role. In-depth analysis reveals that the model's shallow cumulus convection scheme tends to significantly under-produce clouds during the times when shallow cumuli exist in the observations, while the deep convective and stratiform cloud schemes significantly over-produce low-level clouds throughout the day. The links between model biases and the underlying assumptions of the shallow cumulus scheme are further diagnosed with the aid of large-eddy simulations and aircraft measurements, and by suppressing the triggering of the deep convection scheme. It is found that the weak boundary layer turbulence simulated is directly responsible for the weak cumulus activity and the simulated boundary layer stratiform clouds. Increased vertical and temporal resolutions are shown to lead to stronger boundary layer turbulence and reduction of low-cloud biases.

  8. Design and Implementation of a CO2 Flood Utilizing Advanced Reservoir Characterization and Horizontal Injection Wells In a Shallow Shelf Carbonate Approaching Waterflood Depletion, Class II

    SciTech Connect (OSTI)

    Czirr, K.L.; Gaddis, M.P.; Moshell, M.K.

    2002-02-21

    The principle objective of this project is to demonstrate the economic viability and widespread applicability of an innovative reservoir management and carbon dioxide (CO2) flood project development approach for improving CO2 flood project economics in shallow shelf carbonate (SSC) reservoirs.

  9. RACORO continental boundary layer cloud investigations. 3. Separation of parameterization biases in single-column model CAM5 simulations of shallow cumulus

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Lin, Wuyin; Liu, Yangang; Vogelmann, Andrew M.; Fridlind, Ann; Endo, Satoshi; Song, Hua; Feng, Sha; Toto, Tami; Li, Zhijin; Zhang, Minghua

    2015-06-19

    Climatically important low-level clouds are commonly misrepresented in climate models. The FAst-physics System TEstbed and Research (FASTER) project has constructed case studies from the Atmospheric Radiation Measurement (ARM) Climate Research Facility's Southern Great Plain site during the RACORO aircraft campaign to facilitate research on model representation of boundary-layer clouds. This paper focuses on using the single-column Community Atmosphere Model version 5 (SCAM5) simulations of a multi-day continental shallow cumulus case to identify specific parameterization causes of low-cloud biases. Consistent model biases among the simulations driven by a set of alternative forcings suggest that uncertainty in the forcing plays only amore » relatively minor role. In-depth analysis reveals that the model's shallow cumulus convection scheme tends to significantly under-produce clouds during the times when shallow cumuli exist in the observations, while the deep convective and stratiform cloud schemes significantly over-produce low-level clouds throughout the day. The links between model biases and the underlying assumptions of the shallow cumulus scheme are further diagnosed with the aid of large-eddy simulations and aircraft measurements, and by suppressing the triggering of the deep convection scheme. It is found that the weak boundary layer turbulence simulated is directly responsible for the weak cumulus activity and the simulated boundary layer stratiform clouds. Increased vertical and temporal resolutions are shown to lead to stronger boundary layer turbulence and reduction of low-cloud biases.« less

  10. EIS-0465: Pepco Holdings, Inc. Mid-Atlantic Power Path (MAPP) Project, Prince George's, Calvert, and Wicomico Counties, Maryland, and Sussex County, Delaware

    Broader source: Energy.gov [DOE]

    Pepco Holdings, Inc., cancelled its proposed Phase II of the Mid-Atlantic Power Pathway transmission line project and DOE cancelled preparation of an EIS on the potential environmental impacts of a proposed federal loan guarantee for the project.

  11. Comparison of Cenozoic Faulting at the Savannah River Site to Fault Characteristics of the Atlantic Coast Fault Province: Implications for Fault Capability

    SciTech Connect (OSTI)

    Cumbest, R.J.

    2000-11-14

    This study compares the faulting observed on the Savannah River Site and vicinity with the faults of the Atlantic Coastal Fault Province and concludes that both sets of faults exhibit the same general characteristics and are closely associated. Based on the strength of this association it is concluded that the faults observed on the Savannah River Site and vicinity are in fact part of the Atlantic Coastal Fault Province. Inclusion in this group means that the historical precedent established by decades of previous studies on the seismic hazard potential for the Atlantic Coastal Fault Province is relevant to faulting at the Savannah River Site. That is, since these faults are genetically related the conclusion of ''not capable'' reached in past evaluations applies.In addition, this study establishes a set of criteria by which individual faults may be evaluated in order to assess their inclusion in the Atlantic Coast Fault Province and the related association of the ''not capable'' conclusion.

  12. U.S. Total Propane (Consumer Grade) Prices by Sales Type

    Gasoline and Diesel Fuel Update (EIA)

    Area: U.S. East Coast (PADD 1) New England (PADD 1A) Central Atlantic (PADD 1B) Lower Atlantic (PADD 1C) Midwest (PADD 2) Gulf Coast (PADD 3) Rocky Mountain (PADD 4) West Coast ...

  13. No. 2 Diesel, Low-Sulfur Prices - Sales to End Users

    U.S. Energy Information Administration (EIA) Indexed Site

    Central Atlantic (PADD 1B) - - - - - - 1994-2016 Lower Atlantic (PADD 1C) - - - - - - 1994-2016 Midwest (PADD 2) - - - - - - 1994-2016 Gulf Coast (PADD 3) - - - - - - 1994-2016 Rocky Mountain (PADD 4) - - - - - - 1994-2016 West Coast (PADD 5)

  14. Airborne CH2O measurements over the North Atlantic during the 1997 NARE campaign: Instrument comparisons and distributions

    SciTech Connect (OSTI)

    Fried, Alan; Lee, Yin -Nan; Frost, Greg; Wert, Bryan; Henry, Bruce; Drummond, James R.; Hubler, Gerd; Jobson, Tom

    2002-02-27

    Here, formaldehyde measurements from two independent instruments are compared with photochemical box model calculations. The measurements were made on the NOAA P-3 aircraft as part of the 1997 North Atlantic Regional Experiment (NARE 1997). After examining the possible reasons for the model-measurement discrepancy, we conclude that there are probably one or more additional unknown sources of CH2O in the North Atlantic troposphere.

  15. Evaluating the Influence of Pore Architecture and Initial Saturation on Wettability and Relative Permeability in Heterogeneous, Shallow-Shelf Carbonates

    SciTech Connect (OSTI)

    Alan P. Byrnes; Saibal Bhattacharya; John Victorine; Ken Stalder

    2007-09-30

    Thin (3-40 ft thick), heterogeneous, limestone and dolomite reservoirs, deposited in shallow-shelf environments, represent a significant fraction of the reservoirs in the U.S. midcontinent and worldwide. In Kansas, reservoirs of the Arbuckle, Mississippian, and Lansing-Kansas City formations account for over 73% of the 6.3 BBO cumulative oil produced over the last century. For these reservoirs basic petrophysical properties (e.g., porosity, absolute permeability, capillary pressure, residual oil saturation to waterflood, resistivity, and relative permeability) vary significantly horizontally, vertically, and with scale of measurement. Many of these reservoirs produce from structures of less than 30-60 ft, and being located in the capillary pressure transition zone, exhibit vertically variable initial saturations and relative permeability properties. Rather than being simpler to model because of their small size, these reservoirs challenge characterization and simulation methodology and illustrate issues that are less apparent in larger reservoirs where transition zone effects are minor and most of the reservoir is at saturations near S{sub wirr}. These issues are further augmented by the presence of variable moldic porosity and possible intermediate to mixed wettability and the influence of these on capillary pressure and relative permeability. Understanding how capillary-pressure properties change with rock lithology and, in turn, within transition zones, and how relative permeability and residual oil saturation to waterflood change through the transition zone is critical to successful reservoir management and as advanced waterflood and improved and enhanced recovery methods are planned and implemented. Major aspects of the proposed study involve a series of tasks to measure data to reveal the nature of how wettability and drainage and imbibition oil-water relative permeability change with pore architecture and initial water saturation. Focus is placed on

  16. Long-Term Performance of Transuranic Waste Inadvertently Disposed in a Shallow Land Burial Trench at the Nevada Test Site

    SciTech Connect (OSTI)

    Gregory J. Shott; Vefa Yucel

    2009-07-16

    In 1986, 21 m3 of transuranic (TRU) waste was inadvertently disposed in a shallow land burial trench at the Area 5 Radioactive Waste Management Site on the Nevada Test Site. U.S. Department of Energy (DOE) TRU waste must be disposed in accordance with Title 40, Code of Federal Regulations (CFR), Part 191, Environmental Radiation Protection Standard for Management and Disposal of Spent Nuclear Fuel, High-Level, and Transuranic Radioactive Wastes. The Waste Isolation Pilot Plant is the only facility meeting these requirements. The National Research Council, however, has found that exhumation of buried TRU waste for disposal in a deep geologic repository may not be warranted when the effort, exposures, and expense of retrieval are not commensurate with the risk reduction achieved. The long-term risks of leaving the TRU waste in-place are evaluated in two probabilistic performance assessments. A composite analysis, assessing the dose from all disposed waste and interacting sources of residual contamination, estimates an annual total effective dose equivalent (TEDE) of 0.01 mSv, or 3 percent of the dose constraint. A 40 CFR 191 performance assessment also indicates there is reasonable assurance of meeting all requirements. The 40 CFR 191.15 annual mean TEDE for a member of the public is estimated to reach a maximum of 0.055 mSv at 10,000 years, or approximately 37 percent of the 0.15 mSv individual protection requirement. In both assessments greater than 99 percent of the dose is from co-disposed low-level waste. The simulated probability of the 40 CFR 191.13 cumulative release exceeding 1 and 10 times the release limit is estimated to be 0.0093 and less than 0.0001, respectively. Site characterization data and hydrologic process modeling support a conclusion of no groundwater pathway within 10,000 years. Monte Carlo uncertainty analysis indicates that there is reasonable assurance of meeting all regulatory requirements. Sensitivity analysis indicates that the results

  17. Evaluation of potential severe accidents during low power and shutdown operations at Grand Gulf, Unit 1: Summary of results. Volume 1

    SciTech Connect (OSTI)

    Whitehead, D.W.; Staple, B.D.; Daniel, S.L.

    1995-07-01

    During 1989 the Nuclear Regulatory Commission (NRC) initiated an extensive program to examine the potential risks during low power and shutdown operations. Two plants, Surry and Grand Gulf, were selected as the plants to be studied by Brookhaven National Laboratory (Surry) and Sandia National Laboratories (Grand Gulf). This report documents the work performed during the analysis of the Grand Gulf plant. A phased approach was used for the overall study. In Phase 1, the objectives were to identify potential vulnerable plant configurations, to characterize (on a high, medium, or low basis) the potential core damage accident scenario frequencies and risks, and to provide a foundation for a detailed Phase 2 analysis. It was in Phase 1 that the concept of plant operational states (POSs) was developed to allow the analysts to better represent the plant as it transitions from power operation to nonpower operation than was possible with the traditional technical specification divisions of modes of operation. This phase consisted of a coarse screening analysis performed for all POSs, including seismic and internal fire and flood for some POSs. In Phase 2, POS 5 (approximately cold shutdown as defined by Grand Gulf Technical Specifications) during a refueling outage was selected as the plant configuration to be analyzed based on the results of the Phase 1 study. The scope of the Level 1 study includes plant damage state analysis and uncertainty analysis and is documented in a multi-volume NUREG/CR report (i.e., NUREG/CR-6143). The internal events analysis is documented in Volume 2. Internal fire and internal flood analyses are documented in Volumes 3 and 4, respectively. A separate study on seismic analysis, documented in Volume 5, was performed for the NRC by Future Resources Associates, Inc. The Level 2/3 study of the traditional internal events is documented in Volume 6, and a summary of the results for all analyses is documented in Volume 1.

  18. Improved recovery from Gulf of Mexico reservoirs. Volume III (of 4): Characterization and simulation of representative resources. Final report, February 14, 1995--October 13, 1996

    SciTech Connect (OSTI)

    Kimbrell, W.C.; Bassiouni, Z.A.; Bourgoyne, A.T.

    1997-01-13

    Significant innovations have been made in seismic processing and reservoir simulation. In addition, significant advances have been made in deviated and horizontal drilling technologies. Effective application of these technologies along with improved integrated resource management methods offer opportunities to significantly increase Gulf of Mexico production, delay platform abandonments, and preserve access to a substantial remaining oil target for both exploratory drilling and advanced recovery processes. In an effort to illustrate the impact that these new technologies and sources of information can have upon the estimates of recoverable oil in the Gulf of Mexico, additional and detailed data was collected for two previously studied reservoirs: a South March Island reservoir operated by Taylor Energy and Gulf of Mexico reservoir operated by Mobil, whose exact location has been blind-coded at their request, and an additional third representative reservoir in the Gulf of Mexico, the KEKF-1 reservoir in West Delta Block 84 Field. The new data includes reprocessed 2-D seismic data, newly acquired 3-D data, fluid data, fluid samples, pressure data, well test data, well logs, and core data/samples. The new data was used to refine reservoir and geologic characterization of these reservoirs. Further laboratory investigation also provided additional simulation input data in the form of PVT properties, relative permeabilities, capillary pressures, and water compatibility. Geologic investigations were also conducted to refine the models of mud-rich submarine fan architectures used by seismic analysts and reservoir engineers. These results were also used, in part, to assist in the recharacterization of these reservoirs.

  19. Heavy metals in the near-surface aerosol over the Atlantic Ocean from 60 degree south to 54 degree north

    SciTech Connect (OSTI)

    Voelkening, J.; Heumann, K.G. )

    1990-11-20

    The particulate heavy metal concentrations of Cr, Fe, Ni, Cu, Zn, Cd, Tl, and Pb were determined in the atmosphere over the Atlantic Ocean from 60{degree}S to 54{degree}N with the definitive method of isotope dilution mass spectrometry. Fe was used as a reference element for the influence of crustal material calculating the corresponding enrichment factors EF(Fe) for the other metal traces. Tl showed the lowest abundance of all heavy metals with concentrations of less than 20 pg m{sup {minus}3} for all samples except those from the area around the English Channel. The concentration ranges for the other elements were Cr = <0.08-9 ng m{sup {minus}3}, Fe = <2.6-7,500 ng m{sup {minus}3}, Ni = <0.05-10 ng m{sup {minus}3}, Cu = <0.02-20 ng m{sup {minus}3}, Zn = <0.09-450 ng m{sup {minus}3}, Cd = <0.003-3.5 ng m{sup {minus}3}, and Pb = <0.05-200 ng m{sup {minus}3}. The lowest element concentrations were usually measured in the remote areas of the South Atlantic, whereas the highest ones were detected around the English Channel. Due to high Fe concentrations, a substantial influence of crustal material was observed in the atmosphere southeast of the South American continent, in the South Atlantic area of the southeast trades, and over the North Atlantic west of North Africa. EF(Fe) values for the most part less than 10 for Cr and Ni and less than 50 for Cu indicate that the influence of crustal material for these metals is much higher than for Zn, Cd, and Pb where EF(Fe) values between 500 and 5,000 had often been determined. This is due to anthropogenic and biological influences.

  20. Environmental and economic assessment of discharges from Gulf of Mexico Region oil and gas operations. Quarterly technical progress report, 23 June 1992--30 September 1992

    SciTech Connect (OSTI)

    Gettleson, D.A.

    1992-11-10

    A Sampling and Analysis Plan was prepared and submitted to a Scientific Review Committee for comment. Substantial comments relative to study objectives, sampling design, and sampling periods coupled with the passage of Hurricane Andrew precluded the scheduled initiation of sampling at offshore and coastal sites (Tasks 3 -- Environmental Field Sampling and Analysis of Naturally Occurring Radioactive Materials (NORM), Heavy Metals, and Organics and 4 -- Monitoring of the Recovery of Impacted Wetland and Open Bay Produced Water Discharge Sites in Coastal Louisiana and Texas). A proposed revised schedule has been prepared for Tasks 3 and 4. Task 5 (Assessment of Economic Impacts of Offshore and Coastal Discharge Requirements on Present and Future Operations in the Gulf of Mexico Region), activities have involved identification and collection of the necessary data for the economic analysis. Task 6 (Synthesis of Gulf of Mexico Region Consumption and Use Patterns), activities have included near completion of the literature review and a reevaluation of the data collection efforts relative to the wholesaler, process plant, and restaurant components. Task 7 (Technology Transfer Plan), work has been delayed due to the Tasks 3 and 4 delay and cancellation of the annual US Minerals Management Service Gulf of Mexico Region Information Transfer Meeting.