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Sample records for mt simon sandstone

  1. Tidally dominated depositional environment for the Mt. Simon Sandstone in central Illinois

    SciTech Connect (OSTI)

    Sargent, M.L.; Lasemi, Z. (Illinois State Geological Survey, Champaign, IL (United States))

    1993-03-01

    Several hundred feet of core from the upper part of the Mt. Simon in central Illinois have been examined macroscopically. Grain sizes and their systematics, bedding characteristics, sedimentary structures, and relationships among beds show that the upper Mt. Simon Sandstone is composed of a series of fining-upward cycles up to 10 m (30 feet) thick. A typical cycle consists, in ascending order, of a sandy subtidal facies, a mixed sand and mud intertidal-flat facies, and a muddy upper tidal-flat facies upward through the succession, the maximum and average grain size becomes progressively finer and the cycles thinner. The lower sandstone of each cycle contains beds that are massive to cross bedded and cross laminated; some beds show scoured reactivation surfaces. A few cycles contain a middle unit characterized by flaser and lenticular bedding and abundant mudcracks. Mudcracks also are common in the shale beds at the top of each cycle. Sedimentary structures such as reactivation surfaces, flaser and lenticular bedding, and mudcracks suggest that these cycles were deposited in peritidal environments. The presence of Skolithos in some cycles suggests very shallow marine conditions. The within-cycle upward fining is caused by regression or progradation that reflects a progressive decrease in current velocity from subtidal to intertidal parts of the tidal flat. Frequent flooding of the tidal flat resulted in repeated fining-upward cycles within the upper part of the Mt. Simon Sandstone.

  2. CO2 flood tests on whole core samples of the Mt. Simon sandstone, Illinois Basin

    SciTech Connect (OSTI)

    O'Connor, William K.; Rush, Gilbert E.

    2005-09-01

    Geological sequestration of CO2, whether by enhanced oil recovery (EOR), coal-bed methane (CBM) recovery, or saline aquifer injection is a promising near-term sequestration methodology. While tremendous experience exists for EOR, and CBM recovery has been demonstrated in existing fields, saline aquifer injection studies have only recently been initiated. Studies evaluating the availability of saline aquifers suitable for CO2 injection show great potential, however, the long-term fate of the CO2 injected into these ancient aqueous systems is still uncertain. For the subject study, a series of laboratory-scale CO2 flood tests were conducted on whole core samples of the Mt. Simon sandstone from the Illinois Basin. By conducting these tests on whole core samples rather than crushed core, an evaluation of the impact of the CO2 flood on the rock mechanics properties as well as the geochemistry of the core and brine solution has been possible. This empirical data could provide a valuable resource for the validation of reservoir models under development for these engineered CO2 systems.

  3. SIMON

    E-Print Network [OSTI]

    oil intrins~que de chaque oeuvre en langues diff6rentes peuvent #12;100 SIMONE MONSONI~,GO-EMESE KIS ~tre

  4. Structural and tectonic implications of pre-Mt. Simon strata -- or a lack of such -- in the western part of the Illinois basin

    SciTech Connect (OSTI)

    Sargent, M.L. (Illinois State Geological Survey, Champaign, IL (United States))

    1993-03-01

    The discovery of a pre-Mt. Simon lithic arenite (arkose) in southwestern Ohio has lead to reevaluation of many basement tests in the region. Several boreholes in adjacent states have been reexamined by others and are now believed to bottom in the Middle Run Formation. Seismic-reflection sections in western Ohio and Indiana have indicated pre-Mt. Simon basins filled with layered rocks that are interpreted to be Middle Run, however, the pre-Mt. Simon basins and east of Illinois. Samples from Illinois basement tests were reexamined to determine whether they had encountered similar strata. All reported crystalline-basement tests in Illinois show diagnostic igneous textures and mineralogical associations. Coarsely crystalline samples in cores show intergrown subhedral grains of quartz, microcline, and sodic plagioclase. Medium-crystalline rocks in cuttings samples show numerous examples of micrographic intergrowths of quartz and K-feldspar. This texture cannot be authigenically grown in a sediment and probably could not have survived a single cycle of erosion and deposition. Aphanitic rocks show porphyritic and spherulitic textures that are distinctly igneous and would be destroyed by weathering. Substantial relief on the Precambrian crystalline surface in Illinois is postulated for major structural features like the LaSalle Anticlinorium, the Sparta Shelf, the Ste. Genevieve Fault zone, etc. Paleotopographic relief up to 300 m (1,000 feet) is documented from drilling on the western flank of the basin.

  5. Sandstone ? Brine + GH Sandstone ? Brine 200 200 Sandstone ...

    E-Print Network [OSTI]

    santos@gauss ()

    Sandstone ? Brine + GH. Sandstone ? Brine. 200. 200. Sandstone ? Brine. x. z. 800. Vp=2200 m/s. Vs=1250 m/sSigma=1 S/m. Vp=4100 m/s. Vs=2300 ...

  6. Sequence-Stratigraphic Analysis of the Rollins and the Cozzette Sandstone Members, the Upper Cretaceous Mount Garfield Formation of the Piceance Basin, Colorado.

    E-Print Network [OSTI]

    Ouaichouche, Fatma Zahra

    2011-08-31

    Sequence-stratigraphic study of the Cozzette and the Rollins Sandstone members, of the Mt. Garfield Formation of the Mesaverde Group, in the southern part of the Piceance basin (western Colorado), utilizes mainly well-log data along with limited...

  7. Utilization of the St. Peter Sandstone in the Illinois Basin for CO2 Sequestration

    SciTech Connect (OSTI)

    Will, Robert; Smith, Valerie; Leetaru, Hannes

    2014-09-30

    This project is part of a larger project co-funded by the United States Department of Energy (US DOE) under cooperative agreement DE-FE0002068 from 12/08/2009 through 9/31/2014. The study is to evaluate the potential of formations within the Cambro-Ordovician strata above the Mt. Simon Sandstone as potential targets for carbon dioxide (CO2) sequestration in the Illinois and Michigan Basins. This report evaluates the potential injectivity of the Ordovician St. Peter Sandstone. The evaluation of this formation was accomplished using wireline data, core data, pressure data, and seismic data acquired through funding in this project as well as existing data from two additional, separately funded projects: the US DOE funded Illinois Basin – Decatur Project (IBDP) being conducted by the Midwest Geological Sequestration Consortium (MGSC) in Macon County, Illinois, and the Illinois Industrial Carbon Capture and Sequestration (ICCS) Project funded through the American Recovery and Reinvestment Act (ARRA), which received a phase two award from DOE. This study addresses the question of whether or not the St. Peter Sandstone may serve as a suitable target for CO2 sequestration at locations within the Illinois Basin where it lies at greater depths (below the underground source of drinking water (USDW)) than at the IBDP site. The work performed included numerous improvements to the existing St. Peter reservoir model created in 2010. Model size and spatial resolution were increased resulting in a 3 fold increase in the number of model cells. Seismic data was utilized to inform spatial porosity distribution and an extensive core database was used to develop porosity-permeability relationships. The analysis involved a Base Model representative of the St. Peter at “in-situ” conditions, followed by the creation of two hypothetical models at in-situ + 1,000 feet (ft.) (300 m) and in-situ + 2,000 ft. (600 m) depths through systematic depthdependent adjustment of the Base Model parameters. Properties for the depth shifted models were based on porosity versus depth relationship extracted from the core database followed by application of the porosity-permeability relationship. Each of the three resulting models were used as input to dynamic simulations with the single well injection target of 3.2 million tons per annum (MTPA) for 30 years using an appropriate fracture gradient based bottom hole pressure limit for each injection level. Modeling results are presented in terms of well bottomhole pressure (BHP), injection rate profiles, and three-dimensional (3D) saturation and differential pressure volumes at selected simulation times. Results suggest that the target CO2 injection rate of 3.2 MTPA may be achieved in the St. Peter Sandstone at in-situ conditions and at the in-situ +1,000 ft. (300 m) depth using a single injector well. In the latter case the target injection rate is achieved after a ramp up period which is caused by multi-phase flow effects and thus subject to increased modeling uncertainty. Results confirm that the target rate may not be achieved at the in-situ +2,000 ft. (600 m) level even with multiple wells. These new modeling results for the in-situ case are more optimistic than previous modeling results. This difference is attributed to the difference in methods and data used to develop model permeability distributions. Recommendations for further work include restriction of modeling activity to the in-situ +1,000 ft. (300 m) and shallower depth interval, sensitivity and uncertainty analysis, and refinement of porosity and permeability estimates through depth and area selective querying of the available core database. It is also suggested that further modeling efforts include scope for evaluating project performance in terms of metrics directly related to the Environmental Protection Agency (EPA) Class VI permit requirements for the area of review (AoR) definition and post injection site closure monitoring.

  8. CO{sub 2} Injectivity, Storage Capacity, Plume Size, and Reservoir and Seal Integrity of the Ordovician St. Peter Sandstone and the Cambrian Potosi Formation in the Illnois Basin

    SciTech Connect (OSTI)

    Hannes Leetaru; Alan Brown; Donald Lee; Ozgur Senel; Marcia Coueslan

    2012-05-01

    The Cambro-Ordovician strata of the Illinois and Michigan Basins underlie most of the states of Illinois, Indiana, Kentucky, and Michigan. This interval also extends through much of the Midwest of the United States and, for some areas, may be the only available target for geological sequestration of CO{sub 2}. We evaluated the Cambro-Ordovician strata above the basal Mt. Simon Sandstone reservoir for sequestration potential. The two targets were the Cambrian carbonate intervals in the Knox and the Ordovician St. Peter Sandstone. The evaluation of these two formations was accomplished using wireline data, core data, pressure data, and seismic data from the USDOE-funded Illinois Basin â?? Decatur Project being conducted by the Midwest Geological Sequestration Consortium in Macon County, Illinois. Interpretations were completed using log analysis software, a reservoir flow simulator, and a finite element solver that determines rock stress and strain changes resulting from the pressure increase associated with CO{sub 2} injection. Results of this research suggest that both the St. Peter Sandstone and the Potosi Dolomite (a formation of the Knox) reservoirs may be capable of storing up to 2 million tonnes of CO{sub 2} per year for a 20-year period. Reservoir simulation results for the St. Peter indicate good injectivity and a relatively small CO{sub 2} plume. While a single St. Peter well is not likely to achieve the targeted injection rate of 2 million tonnes/year, results of this study indicate that development with three or four appropriately spaced wells may be sufficient. Reservoir simulation of the Potosi suggest that much of the CO{sub 2} flows into and through relatively thin, high permeability intervals, resulting in a large plume diameter compared with the St. Peter.

  9. Stochastic reconstruction of sandstones C. Manwart,1

    E-Print Network [OSTI]

    Torquato, Salvatore

    Stochastic reconstruction of sandstones C. Manwart,1 S. Torquato,2 and R. Hilfer1,3 1 Institut fu to generate a stochastic model for a Berea sandstone and a Fontainebleau sandstone, with each a prescribed two and the original sandstones. Also, the mean survival time of a random walker in the pore space is reproduced

  10. Contractional deformation of porous sandstone: Insights from the Aztec Sandstone, SE Nevada, USA

    E-Print Network [OSTI]

    Fossen, Haakon

    Contractional deformation of porous sandstone: Insights from the Aztec Sandstone, SE Nevada, USA Available online 19 March 2015 Keywords: Sevier thrusting Porous sandstone deformation Deformation bands Contractional deformation a b s t r a c t Contractional deformation of highly porous sandstones is poorly

  11. Permeability Evolution during Deformation of Siliciclastic Sandstones

    E-Print Network [OSTI]

    Permeability Evolution during Deformation of Siliciclastic Sandstones from Moab, Utah O. Kwon1 Core; 0.33-ft)- diameter cores of four sandstones from the Moab area to investigate the effect of total. Sandstones with low bulk porosities (Dewey Bridge and Slickrock Subkha) exhibited an increase in permeability

  12. Operation Sandstone: 1948. Technical report

    SciTech Connect (OSTI)

    Berkhouse, L.H.; Hallowell, J.H.; McMullan, F.W.; Davis, S.E.; Jones, C.B.

    1983-12-19

    SANDSTONE was a three-detonation atmospheric nuclear weapon test series conducted during the spring of 1948 at Enewetak Atoll in the Marshall Islands. Report emphasis is on the radiological safety of the personnel. Available records on personnel exposure are summarized.

  13. Saving Mt. Fuji

    E-Print Network [OSTI]

    Hacker, Randi

    2013-09-12

    Broadcast Transcript: Mt. Fuji, or Fujisan is it is known here in Japan, has just been added to Unesco's World Heritage list as a cultural asset, honoring it for providing thousands of years of inspiration to artists, poets ...

  14. Pipeline MT Instructions Identification Number

    E-Print Network [OSTI]

    Hong, Don

    Pipeline MT Instructions Identification Number For identification purposes, you will be assigned a special identification number. M# You can activate your MT email, login to PipelineMT to register for classes or pay tuition and fees. Activating the MTSU Email and PipelineMT accounts: Visit the website

  15. TOUGHREACT Testing in High Ionic Strength Brine Sandstone Systems

    E-Print Network [OSTI]

    Xu, Tianfu

    2008-01-01

    High Ionic Strength Brine Sandstone Systems Tianfu Xu Earthwith H2S and SO2 in a sandstone formation, Chemical Geology,system using a Gulf Coast sandstone saline formation. 2.

  16. IMPROVING SANDSTONE MATRIX STIMULATION OF OIL

    E-Print Network [OSTI]

    Abu-Khamsin, Sidqi

    IMPROVING SANDSTONE MATRIX STIMULATION OF OIL WELLS BY GAS PRECONDITIONING M. A. Aggour, M. Al, Dhahran, Saudi Arabia ABSTRACT Experience has shown that for sandstone formations, oil wells respond to matrix acidizing in a different manner as compared to gas wells. For oil wells, the improvement

  17. Formation of slot-shaped borehole breakout within weakly cemented sandstones

    E-Print Network [OSTI]

    Nakagawa, Seiji; Tomutsa, Liviu; Myer, Larry R.

    2008-01-01

    within weakly cemented sandstones Seiji Nakagawa, Liviusynthetic high-porosity sandstone with controlled porosity

  18. Loading rate dependence of permeability evolution in porous aeolian sandstones

    E-Print Network [OSTI]

    Loading rate dependence of permeability evolution in porous aeolian sandstones Ira O. Ojala, Bryne on the permeability of porous sandstones by carrying out triaxial compression tests at four different temperatures effective stress and axial strain for the Locharbriggs sandstone. The Clashach sandstone exhibits a linear

  19. Simon Gervais Professor of Finance

    E-Print Network [OSTI]

    Reif, John H.

    Simon Gervais Professor of Finance Faculty CoDirector of the Center for Financial Excellence Simon Gervais is a Full Professor of Finance at The Fuqua School of Business. Prior to joining Fuqua in 2003, he was an Assistant Professor of Finance at the Wharton School of the University of Pennsylvania

  20. Gas Permeability of Fractured Sandstone/Coal Samples under Variable Confining Pressure

    E-Print Network [OSTI]

    Liu, Weiqun; Li, Yushou; Wang, Bo

    2010-01-01

    Permeability of Fractured Sandstone/Coal Samples Smeulders,8 Gas Permeability of Fractured Sandstone/Coal Samples underthe fractured samples of sandstone and coal and obtain their

  1. Herpetocetine (Cetacea: Mysticeti) dentaries from the Upper Miocene Santa Margarita Sandstone of Central California

    E-Print Network [OSTI]

    Boessenecker, Robert W.

    2011-01-01

    from the Santa Margarita Sandstone in Santa Cruz County,Miocene Santa Margarita Sandstone of Central California10–12 Ma) Santa Margarita Sandstone of Central California

  2. Methane Hydrate Dissociation by Depressurization in a Mount Elbert Sandstone Sample: Experimental Observations and Numerical Simulations

    E-Print Network [OSTI]

    Kneafsey, T.

    2012-01-01

    in a Mount Elbert Sandstone Sample: Experimentalsample of hydrate-bearing sandstone from the Mount Elbertsample of hydrate-bearing sandstone from the Mount Elbert

  3. Running head: Diagenesis of Beacon Sandstone Diagenetic history of Triassic sandstone from the Beacon Supergroup in

    E-Print Network [OSTI]

    Boyer, Edmond

    1 Running head: Diagenesis of Beacon Sandstone Diagenetic history of Triassic sandstone from of shallow burial diagenesis, contact diagenesis (temperatures of 200-300şC), and post-contact diagenesis, on the basis of petrographic and geochemical analyses. Shallow burial diagenesis is characterised by minor

  4. Aspects of Simon's Algorithm Frank Rioux

    E-Print Network [OSTI]

    Rioux, Frank

    that implements Simon's algoritm by two different, but equivalent methods. The matrices representing the quantum

  5. Eolian sabkha sandstones in the Nugget Sandstone (Jurassic), Vernal area, Utah

    SciTech Connect (OSTI)

    Schenk, C.J.; Peterson, F. (Geological Survey, Denver, CO (United States))

    1991-06-01

    The Jurassic Nugget Sandstone in the Vernal, Utah, area is characterized by thick (up to 25 m) sets of cross-stratified eolian dune sandstone separated by either erosional planar bounding surfaces or thin (mostly < 3 m) sandstones interpreted as sabkha sandstones. Structures in Nugget sabkha sandstones are predominantly wavy or irregular bedding and thin, remnant sets of dune cross-strata consisting of eolian ripple and avalanche strata. The types of sedimentary structures and erosional features in Nugget sabkha sandstones indicate a close relationship between sand deposition and erosion and fluctuations in the local water table. Thin, remnant eolian dune sets are common in Nugget sabkha sandstones. The remnant sets form when dunes migrating across a sabkha are partially wetted as the water table rises slightly (on a scale of tens of centimeters); the lower part of the dune with wetted sand remains on the sabkha as the rest of the dune continues to migrate. Typically, ripple strata of the dune apron and the toes of avalanche strata are preserved in dune remnants. The avalanche strata, being slightly coarser grained, are preferentially deflated, leaving microtopography. This topography is commonly filled in with ripple strata that form as dry sand again blows across the sabkha. Stacked sets of remnant dunes separated by erosional surfaces illustrate the control of sand deposition on eolian sabkhas by the local water table.

  6. RESEARCH PAPER Calculating the effective permeability of sandstone with

    E-Print Network [OSTI]

    Borja, Ronaldo I.

    RESEARCH PAPER Calculating the effective permeability of sandstone with multiscale lattice microtomo- graphic images of a sandstone, with sample resolution of 3.34 lm. We discuss the predictive

  7. Arsenic Occurrence, Mobility, and Retardation in Sandstone and

    E-Print Network [OSTI]

    Sahai, Nita

    Arsenic Occurrence, Mobility, and Retardation in Sandstone and Dolomite Formations of the Fox River were conducted on samples from the Sinnipee Group dolomite and St. Peter sandstone in eastern Wisconsin in the dolomite and sandstone. The released As sub- sequently sorbs on the ferric oxyhydroxides formed

  8. Radionuclide transport in sandstones with WIPP brine

    SciTech Connect (OSTI)

    Weed, H.C.; Bazan, F.; Fontanilla, J.; Garrison, J.; Rego, J.; Winslow, A.M.

    1981-02-01

    Retardation factors (R) have been measured for the transport of /sup 3/H, /sup 95m/Tc, and /sup 85/Sr in WIPP brine using St. Peter, Berea, Kayenta, and San Felipe sandstone cores. If tritium is assumed to have R=1, /sup 95m/Tc has R=1.0 to 1.3 and therefore is essentially not retarded. Strontium-85 has R = 1.0 to 1.3 on St. Peter, Berea, and Kayenta, but R=3 on San Felipe. This is attributed to sorption on the matrix material of San Felipe, which has 45 volume % matrix compared with 1 to 10 volume % for the others. Retardation factors (R/sub s/) for /sup 85/Sr calculated from static sorption measurements are unity for all the sandstones. Therefore, the static and transport results for /sup 85/Sr disagree in the case of San Felipe, but agree for St. Peter, Berea, and Kayenta.

  9. Superconformal Chern-Simons Theories

    E-Print Network [OSTI]

    John H. Schwarz

    2004-11-23

    We explore the possibilities for constructing Lagrangian descriptions of three-dimensional superconformal classical gauge theories that contain a Chern-Simons term, but no kinetic term, for the gauge fields. Classes of such theories with N = 1 and N = 2 supersymmetry are found. However, interacting theories of this type with N = 8 supersymmetry do not exist.

  10. 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...

  11. PARAMETROS ENTRADA EN CGS (Table 1 sandstone 1 in GPY ...

    E-Print Network [OSTI]

    PARAMETROS ENTRADA EN CGS (Table 1 sandstone 1 in GPY paper 2009 pp N5) CAPA 1 ------------------------------------ 100.d0 dsize (domain size (cm)) ...

  12. Seawater can damage Saudi sandstone oil reservoirs

    SciTech Connect (OSTI)

    Dahab, A.S. (King Saud Univ., Riyadh (SA))

    1990-12-10

    Experiments have shown that formation damage from waterflooding of the Aramco and Alkhafji sandstones of Saudi Arabia will not occur if the salinity of the injected brines is higher than 20% NaCl. Because the connate water in these reservoirs has a high salt content of up to 231,000 ppm, Saudi oil fields are almost always susceptible to formation damage when flooded with seawater (about 38,500 ppm). The productive behavior of a reservoir can be affected by clay crystals developed within rock pores.

  13. Factors controlling permeability of cataclastic deformation bands and faults in porous sandstone reservoirs

    E-Print Network [OSTI]

    Fossen, Haakon

    Factors controlling permeability of cataclastic deformation bands and faults in porous sandstone March 2015 Available online 18 April 2015 Keywords: Cataclastic band Permeability Porous sandstone Fluid and their petrophysical properties is essential for realistic characterization of deformed sandstone reservoirs

  14. Measurement of accessible reactive surface area in a sandstone, with application to CO2 mineralization

    E-Print Network [OSTI]

    Landrot, G.

    2013-01-01

    3D characterization of sandstone by means of X-ray computedof the Fontainebleau sandstone. Geochim. Cosmochim. Acta 68,imaging study of three sandstones. Chem. Geol. 265, 198-208

  15. Depositional environment and reservoir morphology of the Upper Wilcox sandstones, Katy gas field, Waller County, Texas 

    E-Print Network [OSTI]

    DePaul, Gilbert John

    1979-01-01

    and structural characteristics of the field. The Upper Wilcox is divided into the following units, in ascending order, "First Lower Massive" sandstones and "D", "C", "B", "A", "Second Wilcox" and "First Wilcox" interbedded sandstones and shales. The reservoir... and are generally abruptly overla1n by sandstones with sharp or erosional bases. The sandstones change laterally to thin sandstones interlaminated with thick shales. The thick sandstones are submarine, constructional- channel deposits with associated thin...

  16. Disseminated `jigsaw piece' dolomite in Upper Jurassic shelf sandstones, Central North Sea: an example of cement growth

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Disseminated `jigsaw piece' dolomite in Upper Jurassic shelf sandstones, Central North Sea authigenesis in highly bioturbated marine sandstones. The dolomite is present throughout the Franklin Sandstone throughout the sandstones, irrespective of detrital grain size or clay content. Dolomite authigenesis

  17. Architecture of the upper Sego Sandstone, Book Cliffs, Utah 

    E-Print Network [OSTI]

    Birkhead, Stanley Scott

    2006-04-12

    ................................................................................................................... 22 SEDIMENTOLOGY.................................................................................................... 26 Marine Shale with Wavy Sandstones............................................................... 26 Highly... surfaces. The cross-section defines an 8.5 kilometer section that begins in Sego Canyon outside of Thompson Springs, Figure 12-Bedding diagram of major facies transitions with sedimentary logs overlain. SEDIMENTOLOGY Upper Sego Sandstone deposits can...

  18. Holographic Chern-Simons Defects

    E-Print Network [OSTI]

    Fujita, Mitsutoshi; Meyer, Rene; Sugimoto, Shigeki

    2016-01-01

    We study SU(N) Yang-Mills-Chern-Simons theory in the presence of defects that shift the Chern-Simons level from a holographic point of view by embedding the system in string theory. The model is a D3-D7 system in Type IIB string theory, whose gravity dual is given by the AdS soliton background with probe D7-branes attaching to the AdS boundary along the defects. We holographically renormalize the free energy of the defect system with sources, from which we obtain the correlation functions for certain operators naturally associated to these defects. We find interesting phase transitions when the separation of the defects as well as the temperature are varied. We also discuss some implications for the Fractional Quantum Hall Effect and for two-dimensional QCD.

  19. Harmonic Cheeger-Simons characters with applications

    E-Print Network [OSTI]

    Richard Green; Varghese Mathai

    2009-02-13

    We initiate the study of harmonic Cheeger-Simons characters, with applications to smooth versions of the Geometric Langlands program in the abelian case.

  20. Feldspar diagenesis in the Yowlumne sandstone, Kern County, California 

    E-Print Network [OSTI]

    Pike, John David

    1981-01-01

    reactions; (3) precipitation of minerals; and (4) mineral dissolution (Blatt et al, , 1972). Semi-permeable clay membranes commonly change pore water salinity in sandstones. If waters are flowing out of sandstones into shales, the sandstone waters... is reduced Ca~ may be released to pore waters by carbonate dis- solution as shown by the reaction: CaC03 + H+ = Ca~ + HCO3. (3) Reduction in pH may also promote hydrolysis of relatively unstable Ca-silicate minerals, such as plagioclase, selectively...

  1. Auxiliary Information for "Wind-blown sandstones cemented by sulfate and clay minerals in Gale

    E-Print Network [OSTI]

    Fischer, Woodward

    Auxiliary Information for "Wind-blown sandstones cemented by sulfate and clay minerals in Gale. Sharp exhibit features consistent with eolian sandstones that may be cemented by sulfates. As described to features observed in terrestrial eolian sandstones such as the Navajo sandstone in the southwestern U

  2. Solid As A Rock: The Utilization of Polyvinyl Acetate to Stabilize and Consolidate Museum Sandstone Objects

    E-Print Network [OSTI]

    Rock, Chris

    Solid As A Rock: The Utilization of Polyvinyl Acetate to Stabilize and Consolidate Museum Sandstone) commonly used sandstone in creating various objects. Sandstone slabs used in hearth construction these objects unstable. Sandstone is a porous rock. The heat treatment and weathering drives off water and makes

  3. Sandstone Acidizing Using Chelating Agents and their Interaction with Clays 

    E-Print Network [OSTI]

    George, Noble Thekkemelathethil 1987-

    2013-01-09

    in the application of acidizing, coreflood tests were performed on Berea and Bandera sandstone cores. Another disadvantage of mud acid has been the fast spending at clay mineral surfaces leading to depletion of acid strength, migration of fines, and formation...

  4. Acidizing of Sandstone Reservoirs Using HF and Organic Acids 

    E-Print Network [OSTI]

    Yang, Fei

    2012-10-19

    Mud acid, which is composed of HCl and HF, is commonly used to remove the formation damage in sandstone reservoirs. However, many problems are associated with HCl, especially at high temperatures. Formic-HF acids have served as an alternative...

  5. Depositional environment of downdip Yegua (Eocene) sandstones, Jackson County, Texas 

    E-Print Network [OSTI]

    Whitten, Christopher James

    1988-01-01

    ft (2347. 0 to 2865. 1 m). The sandstones are isolated in thick marine shales in an area that was previously believed to lack sandstones of significant thickness. Cores from the field and from one wildcat well were described in order to interpret... like to thank the other members of my committee, Dr. James M. Mazzullo and Dr. Stephen A. Holditch for their suggestions and constructive criticism of the manuscript. Cores, logs, and core analysis were provided by Tenneco Oil Company, Cities...

  6. Permeability prediction and drainage capillary pressure simulation in sandstone reservoirs 

    E-Print Network [OSTI]

    Wu, Tao

    2005-02-17

    -1 PERMEABILITY PREDICTION AND DRAINAGE CAPILLARY PRESSURE SIMULATION IN SANDSTONE RESERVOIRS A Dissertation by TAO WU Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree... of DOCTOR OF PHILOSOPHY December 2004 Major Subject: Geology PERMEABILITY PREDICTION AND DRAINAGE CAPILLARY PRESSURE SIMULATION IN SANDSTONE RESERVOIRS A Dissertation by TAO WU Submitted to Texas A&M University in partial...

  7. Provenance and diagenesis of the Ivishak Sandstone, northern Alaska 

    E-Print Network [OSTI]

    Burch, Gary Kenneth

    1984-01-01

    PROVENANCE AND DIAGENESIS OF THE IVISHAK SANDSTONE, NORTHERN ALASKA A Thesis by GARY KENNETH BURCH Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for tbe degree of MASTER OF SCIENCE... August 1984 Major Subject: Geology PROVENANCE AND DIAGENESIS OF THE IVISHAK SANDSTONE, NORTHERN ALASKA A Thesis by GARY KENNETH BURGH Approved as to style and content by: Jam . Mazzullo (Chairman of Committee) Robert R. Berg (Member) Robert C...

  8. Portal Replication for Web Application Availability Via SOAP Simon Woodman, Graham Morgan & Simon Parkin

    E-Print Network [OSTI]

    Morgan, Graham

    Portal Replication for Web Application Availability Via SOAP Simon Woodman, Graham Morgan & Simon mechanism for achieving this is via the use of portals. A portal may provide clients with a single point. As a single point of access to many services, a portal may present a single point of failure. The provision

  9. Mt. Baker Geothermal Project | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver, Pennsylvania:(CTI PFAN) | OpenMt St HelensMt StMt.

  10. Gas Permeability of Fractured Sandstone/Coal Samples under Variable Confining Pressure

    E-Print Network [OSTI]

    Liu, Weiqun; Li, Yushou; Wang, Bo

    2010-01-01

    of Fractured Sandstone/Coal Samples Smeulders, D.M.J. ,stress on permeability of coal. Int. J. Rock Mech. Min. Sci.of Fractured Sandstone/Coal Samples under Variable Con?ning

  11. An investigation of the effectiveness of anhydrous mud acid to remove damage in sandstone formations 

    E-Print Network [OSTI]

    Haase, Dalan David

    1998-01-01

    The goal of this experimental research was to determine the reactivity of anhydrous mud acid with clay minerals present in sandstone formations and its ability to remove damage in sandstone acidizing. Berea core flood experiments were conducted...

  12. Material invariant properties and reconstruction of microstructure of sandstones by nanoindentation and microporoelastic analysis

    E-Print Network [OSTI]

    Bobko, Christopher Philip, 1981-

    2005-01-01

    The diversity of sandstones and sandstone properties that exist in nature pose a significant problem for engineers who deal with these materials, whether in oil well exploration and exploitation or art and architectural ...

  13. Forebulge influence on deposition of the Cretaceous Castlegate Sandstone, Book Cliffs, Utah, U.S.A.

    E-Print Network [OSTI]

    Hoffmeister, Kathryn E.

    2011-08-31

    Analysis of facies changes and paleocurrent directions of the incised valley fill of the Late Cretaceous Castlegate Sandstone supports a reinterpretation of the axis of the well-studied Castlegate Sandstone incised valley axis from an east-west...

  14. Geophysical Prospecting, 2006, 54, 565573 Influence of pore pressure on velocity in low-porosity sandstone

    E-Print Network [OSTI]

    -porosity sandstone: Implications for time-lapse feasibility and pore-pressure study Xiaoxia Xu, Ronny Hofmann (about 3000 psi) for a low-porosity sandstone. Thus, in pore-pressure inversion, an assumption of n = 1

  15. Up-Scaling Geochemical Reaction Rates Accompanying Acidic CO2-Saturated Brine Flow in Sandstone Aquifers

    E-Print Network [OSTI]

    New York at Stoney Brook, State University of

    1 Up-Scaling Geochemical Reaction Rates Accompanying Acidic CO2-Saturated Brine Flow in Sandstone in the pore networks corresponding to three different sandstones. The simulations were used to study up

  16. Richard Jean-Luc David von WEIZSCKER DEHAENE SIMON

    E-Print Network [OSTI]

    Bilbao Arrese, Jesús Mario

    of Germany and Lord Simon of Highbury, former chairman of British Petroleum and former Minister, to give

  17. CHANGES IN SANDSTONE DISTRIBUTIONS BETWEEN THE UPPER, MIDDLE, AND LOWER FAN IN THE ARKANSAS JACKFORK GROUP 

    E-Print Network [OSTI]

    Mack, Clayton P.

    2010-07-14

    outcrops, it is clear there is an obvious change in the sandstone percentage and distribution. The upper fan deposit has an overall sandstone percentage of approximately 77.5% and is deposited in beds that are mainly amalgamated; 10-30m thick. Sandstone...

  18. Experimental and Numerical Studies of One-Dimensional Imbibition in Berea Sandstone

    E-Print Network [OSTI]

    Patzek, Tadeusz W.

    1 Experimental and Numerical Studies of One-Dimensional Imbibition in Berea Sandstone Amitabh Garg in a dry Berea sandstone core, along with Computerized Tomography (CT) visualization of the saturation the cumulative imbibition in a cylindrical Berea sandstone core from the weight change of the core during water

  19. The impact of additives found in industrial formulations of TCE on the wettability of sandstone

    E-Print Network [OSTI]

    Sheffield, University of

    The impact of additives found in industrial formulations of TCE on the wettability of sandstone) that are often encountered in industrial solvent formulations. Wettability assessments were made on sandstone wetting preference of sandstone which frequently resulted in neutral wetting conditions. The large volume

  20. Acoustic emission and velocities associated with the formation of compaction bands in sandstone

    E-Print Network [OSTI]

    Fortin, Jérôme

    Acoustic emission and velocities associated with the formation of compaction bands in sandstone Je the development of compaction bands in Bleurswiller sandstone, which has a porosity of 25%. Results were obtained of compaction bands in sandstone, J. Geophys. Res., 111, B10203, doi:10.1029/2005JB003854. 1. Introduction [2

  1. Naturally weathered feldspar surfaces in the Navajo Sandstone aquifer, Black Mesa, Arizona: Electron microscopic characterization

    E-Print Network [OSTI]

    Zhu, Chen

    Naturally weathered feldspar surfaces in the Navajo Sandstone aquifer, Black Mesa, Arizona Abstract Naturally weathered feldspar surfaces in the Jurassic Navajo Sandstone at Black Mesa, Arizona-field dissolution rate discrepancy. At Black Mesa, feldspars in the Navajo Sandstone are dissolving at $105 times

  2. Laboratory study of linear and nonlinear elastic pulse propagation in sandstone

    E-Print Network [OSTI]

    Laboratory study of linear and nonlinear elastic pulse propagation in sandstone James A. Ten propagation experiments were performed in sandstone rods, both at ambient conditions and in vacuum-long, 5-cm-diam rod of Berea sandstone with embedded detectors used in previously published experiments

  3. A conceptual model for the origin of fault damage zone structures in high-porosity sandstone

    E-Print Network [OSTI]

    Cowie, Patience

    A conceptual model for the origin of fault damage zone structures in high-porosity sandstone Zoe K-porosity sandstones. Damage zone deformation has been particularly well constrained for two 4-km-long normal faults formed in the Navajo Sandstone of central Utah, USA. For these faults the width of the damage zone

  4. PALAEOENVIRONMENTAL INTERPRETATION OF THE TRIASSIC SANDSTONES OF SCRABO, COUNTY DOWN, NORTHERN IRELAND

    E-Print Network [OSTI]

    Benton, Michael

    PALAEOENVIRONMENTAL INTERPRETATION OF THE TRIASSIC SANDSTONES OF SCRABO, COUNTY DOWN, NORTHERN. BUCKMAN,PHILIPS. DOUGHTY,MICHAELJ.BENTON and ANDREWJ.JERAM (Received19 May1997) Abstract The SherwoodSandstone. The sedimentologicaland ichnological data show that these sandstone-dominatedfacies were deposited within a mixed

  5. Modeling of stress-strain dependences for Berea sandstone under quasistatic loading Vyacheslav O. Vakhnenko,1,

    E-Print Network [OSTI]

    Modeling of stress-strain dependences for Berea sandstone under quasistatic loading Vyacheslav O of a sandstone sample under slow loading is presented. We consider a combination of three methods to treat equilibration processes in sandstone are termed the standard solid relaxation mechanism, the sticky

  6. Nonequilibrium and nonlinear dynamics in Berea and Fontainebleau sandstones: Low-strain regime

    E-Print Network [OSTI]

    Nonequilibrium and nonlinear dynamics in Berea and Fontainebleau sandstones: Low-strain regime values, e.g., 10Ŕ7 . In this paper we investigate two sandstones, Berea and Fontainebleau), Nonequilibrium and nonlinear dynamics in Berea and Fontainebleau sandstones: Low-strain regime, J. Geophys. Res

  7. Cyanobacterial macrophytes in an Early Silurian (Llandovery) continental biota: Passage Creek, lower Massanutten Sandstone,

    E-Print Network [OSTI]

    Tomescu, Alexandru MF

    , lower Massanutten Sandstone, Virginia, USA ALEXANDRU M. F. TOMESCU, GAR W. ROTHWELL AND ROSMARIE in an Early Silurian (Llandovery) continental biota: Passage Creek, lower Massanutten Sandstone, Virginia, USA, in the lower Massanutten Sandstone (Virginia, USA). Filaments are predominantly multiseriate and consist

  8. 2 Fluid-induced rupture experiment on Fontainebleau sandstone: 3 Premonitory activity, rupture propagation, and aftershocks

    E-Print Network [OSTI]

    Fortin, Jérôme

    2 Fluid-induced rupture experiment on Fontainebleau sandstone: 3 Premonitory activity, rupture sandstone sample 8 (diameter = 40 mm, length = 88 mm) was loaded tri- 9 axially, under 100 MPa confining induced rupture experiment on Fontainebleau sandstone: 28 Premonitory activity, rupture propagation

  9. Fibrous illite in oilfield sandstones a nucleation kinetic theory of growth

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Fibrous illite in oilfield sandstones ­ a nucleation kinetic theory of growth Mark Wilkinson* and R), but modelling of sandstone-like systems shows that reaction kinetics are very rapid, and not rate-limiting (Berger et al., 1997). Any model for illite growth in sandstones should offer explanations

  10. Local atomic structure of Fontainebleau sandstone: Evidence for an amorphous phase?

    E-Print Network [OSTI]

    Local atomic structure of Fontainebleau sandstone: Evidence for an amorphous phase? K. L. Page, Th of Fontainebleau sandstone have shown clear evidence for the presence of an unexpected glass-like component. Atomic structure of Fontainebleau sandstone: Evidence for an amorphous phase?, Geophys. Res. Lett., 31, L24606, doi

  11. Permeability evolution during progressive development of deformation bands in porous sandstones

    E-Print Network [OSTI]

    Permeability evolution during progressive development of deformation bands in porous sandstones B carried out on large (0.1 m) diameter cores of a porous sandstone in order to investigate the evolution from measured bulk parameters. In a test of the model for Clashach sandstone, the parameters vary

  12. Hydrochemical evidence of the depth of penetration of anthropogenic recharge in sandstone aquifers underlying

    E-Print Network [OSTI]

    Sheffield, University of

    Hydrochemical evidence of the depth of penetration of anthropogenic recharge in sandstone aquifers of anthropogenic solutes (major ions, trace metals) in Permo-Triassic sandstone aquifers underlying two mature of anthropogenic solutes to depths of between 30 and 47 m below ground in the unconfined sandstone and confirm

  13. Sandstone cementation and fluids in hydrocarbon basins R.S. Haszeldinea,*, C.I. Macaulaya

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Sandstone cementation and fluids in hydrocarbon basins R.S. Haszeldinea,*, C.I. Macaulaya , A there is an intermediate view. Processes governing sandstone cementation in the deep sub-surface are elusive, case have driven studies of sandstone cementation in the past ten years: Firstly, the economic motive

  14. A complex investigation of building sandstones from Saxony (Germany)

    SciTech Connect (OSTI)

    Goetze, Jens Siedel, Heiner

    2007-11-15

    The present paper provides a methodology for the investigation and characterization of building sandstones. This analytical scheme was designed for distinguishing mature arenites, which in general show very similar properties and are difficult to distinguish. This is shown for Cretaceous sandstones from various occurrences in Saxony (Germany), which have been used for centuries as building materials. The procedure is mainly based on the combination of macroscopic rock description, thin section polarizing microscopy (phase composition, texture, grain-size distribution) and cathodoluminescence (CL) microscopy (quartz types, feldspar and kaolinite content) coupled with image analysis, scanning electron microscopy (accessories, pore cement, diagenetic grain surface features), and analysis of pore space data. Sometimes, additional data from X-ray diffraction or chemical analyses (major and trace elements) can be used. Especially in the case of quartz rich arenites, CL is a powerful tool for provenance analysis. The detailed analysis of sandstone material in most cases allows us to assign historically used building material to a specific sandstone occurrence. These results are important for both interpreting the weathering behaviour of the building material and the conservation, reconstruction and stone replacement of historical monuments.

  15. Petrologic and petrophysical evaluation of the Dallas Center Structure, Iowa, for compressed air energy storage in the Mount Simon Sandstone.

    SciTech Connect (OSTI)

    Heath, Jason E.; Bauer, Stephen J.; Broome, Scott Thomas; Dewers, Thomas A.; Rodriguez, Mark Andrew

    2013-03-01

    The Iowa Stored Energy Plant Agency selected a geologic structure at Dallas Center, Iowa, for evaluation of subsurface compressed air energy storage. The site was rejected due to lower-than-expected and heterogeneous permeability of the target reservoir, lower-than-desired porosity, and small reservoir volume. In an initial feasibility study, permeability and porosity distributions of flow units for the nearby Redfield gas storage field were applied as analogue values for numerical modeling of the Dallas Center Structure. These reservoir data, coupled with an optimistic reservoir volume, produced favorable results. However, it was determined that the Dallas Center Structure cannot be simplified to four zones of high, uniform permeabilities. Updated modeling using field and core data for the site provided unfavorable results for air fill-up. This report presents Sandia National Laboratories' petrologic and petrophysical analysis of the Dallas Center Structure that aids in understanding why the site was not suitable for gas storage.

  16. Higher dimensional Chern-Simons supergravity

    E-Print Network [OSTI]

    Maximo Banados; Ricardo Troncoso; Jorge Zanelli

    1996-01-03

    A Chern-Simons action for supergravity in odd-dimensional spacetimes is proposed. For all odd dimensions, the local symmetry group is a non trivial supersymmetric extension of the Poincar\\'e group. In $2+1$ dimensions the gauge group reduces to super-Poincar\\'e, while for $D=5$ it is super-Poincar\\'e with a central charge. In general, the extension is obtained by the addition of a 1-form field which transforms as an antisymmetric fifth-rank tensor under Lorentz rotations. Since the Lagrangian is a Chern-Simons density for the supergroup, the supersymmetry algebra closes off shell without the need of auxiliary fields.

  17. Image Analysis by Moments Simon Xinmeng Liao

    E-Print Network [OSTI]

    Liao, Simon

    . Simon Xinmeng Liao I further authorize the University of Manitoba to reproduce this thesis by photo the signatures of all persons using or photo- copying this thesis. Please sign below, and give address and date. Adam Krzyzak, for his critical comments and constructive suggestions on this thesis my wife, Dr. Ming

  18. Oil Trading Simon Basey / November 28, 2013

    E-Print Network [OSTI]

    Sheldon, Nathan D.

    Oil Trading Simon Basey / November 28, 2013 #12;2 What does IST do? Imports crude oil and other Markets BP's equity crude oil, NGLs and natural gas Generates entrepreneurial trading income Manages BP trader, focussing on US crude oil futures. How would you trade the following timeline of events: a

  19. The Architecture of Complexity Herbert A. Simon

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    OF COMPLEXITY HERBERT A. SIMON* Professor of Administration, Carnegie Institute of Technology (Read April 26 properties anlong diverse kinds of complex systems. The ideas that go by the name of cybernetics constitute-83, Chicago, Univ. of Chicago Press, 1956. 2 N. Wiener, Cybernetics, New E'ork, John Wiley & Sons, 1948

  20. Mt Rainier Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver, Pennsylvania:(CTI PFAN) | Open Energy(RECP)MtMt

  1. Characterization of Roabiba Sandstones Reservoir in Bintuni Field, Papua, Indonesia 

    E-Print Network [OSTI]

    Vera, Riene

    2011-02-22

    ................................................................................... 12 1.6.2. Stratigraphic zonation ................................................................ 12 1.7 Petrography and mineralogy ................................................................ 14 1.8 Petroleum system... to LR4. Wells B1, B8, and B7 (located in the northern part of the field) lack Upper Roabiba section. 1.7. PETROGRAPHY AND MINERALOGY The Upper and Lower Roabiba Sandstones are very similar in terms of their detrital mineralogy. They can...

  2. Geological Carbon Sequestration Storage Resource Estimates for the Ordovician St. Peter Sandstone, Illinois and Michigan Basins, USA

    SciTech Connect (OSTI)

    Barnes, David; Ellett, Kevin; Leetaru, Hannes

    2014-09-30

    The Cambro-Ordovician strata of the Midwest of the United States is a primary target for potential geological storage of CO2 in deep saline formations. The objective of this project is to develop a comprehensive evaluation of the Cambro-Ordovician strata in the Illinois and Michigan Basins above the basal Mount Simon Sandstone since the Mount Simon is the subject of other investigations including a demonstration-scale injection at the Illinois Basin Decatur Project. The primary reservoir targets investigated in this study are the middle Ordovician St Peter Sandstone and the late Cambrian to early Ordovician Knox Group carbonates. The topic of this report is a regional-scale evaluation of the geologic storage resource potential of the St Peter Sandstone in both the Illinois and Michigan Basins. Multiple deterministic-based approaches were used in conjunction with the probabilistic-based storage efficiency factors published in the DOE methodology to estimate the carbon storage resource of the formation. Extensive data sets of core analyses and wireline logs were compiled to develop the necessary inputs for volumetric calculations. Results demonstrate how the range in uncertainty of storage resource estimates varies as a function of data availability and quality, and the underlying assumptions used in the different approaches. In the simplest approach, storage resource estimates were calculated from mapping the gross thickness of the formation and applying a single estimate of the effective mean porosity of the formation. Results from this approach led to storage resource estimates ranging from 3.3 to 35.1 Gt in the Michigan Basin, and 1.0 to 11.0 Gt in the Illinois Basin at the P10 and P90 probability level, respectively. The second approach involved consideration of the diagenetic history of the formation throughout the two basins and used depth-dependent functions of porosity to derive a more realistic spatially variable model of porosity rather than applying a single estimate of porosity throughout the entire potential reservoir domains. The second approach resulted in storage resource estimates of 3.0 to 31.6 Gt in the Michigan Basin, and 0.6 to 6.1 Gt in the Illinois Basin. The third approach attempted to account for the local-scale variability in reservoir quality as a function of both porosity and permeability by using core and log analyses to calculate explicitly the net effective porosity at multiple well locations, and interpolate those results throughout the two basins. This approach resulted in storage resource estimates of 10.7 to 34.7 Gt in the Michigan Basin, and 11.2 to 36.4 Gt in the Illinois Basin. A final approach used advanced reservoir characterization as the most sophisticated means to estimating storage resource by defining reservoir properties for multiple facies within the St Peter formation. This approach was limited to the Michigan Basin since the Illinois Basin data set did not have the requisite level of data quality and sampling density to support such an analysis. Results from this approach led to storage resource estimates of 15.4 Gt to 50.1 Gt for the Michigan Basin. The observed variability in results from the four different approaches is evaluated in the context of data and methodological constraints, leading to the conclusion that the storage resource estimates from the first two approaches may be conservative, whereas the net porosity based approaches may over-estimate the resource.

  3. Chaotic behavior in Chern-Simons-Higgs systems

    SciTech Connect (OSTI)

    Bambah, B.A. (School of Physics, University of Hyderabad, Hyderabad 500134 (India)); Lakshmibala, S. (Department of Physics, Indian Institute of Technology, Madras 600136 (India)); Mukku, C. (School of Mathematics and Computer/Information Sciences, University of Hyderabad, Hyderabad 500134 (India)); Sriram, M.S. (Department of Theoretical Physics, University of Madras, Madras 600025 (India))

    1993-05-15

    We investigate the dynamical behavior of the Chern-Simons-Higgs system, with and without the Maxwell term for the case of spatial homogeneity. The pure Chern-Simons-Higgs system is shown to be integrable. Inclusion of the Maxwell term renders the system chaotic. A Painleve analysis for the Maxwell-Chern-Simons-Higgs (MCSH) system is carried out to indicate its nonintegrability. Numerical studies of the Poincare plots and Lyapunov exponents are used to establish chaotic behavior in the MCSH system.

  4. A-model and generalized Chern-Simons theory

    E-Print Network [OSTI]

    A. Schwarz

    2005-01-30

    The relation between open topological strings and Chern-Simons theory was discovered by E. Witten. He proved that A-model on T*M where M is a three-dimensional manifold is equivalent to Chern-Simons theory on M and that A-model on arbitrary Calabi-Yau 3-fold is related to Chern-Simons theory with instanton corrections. In present paper we discuss multidimensional generalization of these results.

  5. WET LOOSE SNOW AVALANCHING IN SOUTHWESTERN MONTANA Simon August Trautman

    E-Print Network [OSTI]

    Dyer, Bill

    WET LOOSE SNOW AVALANCHING IN SOUTHWESTERN MONTANA by Simon August Trautman A thesis submitted ..........................................................................................................1 2. WET SNOW...................................................................................................................3 Metamorphism of Wet Snow

  6. UNIVERSIDAD SIMON BOLIVAR DIVISION DE FISICA Y MATEMATICAS

    E-Print Network [OSTI]

    Meza, Oscar J.

    UNIVERSIDAD SIMON BOLIVAR DIVISION DE FISICA Y MATEMATICAS DEPARTAMENTO DE COMPUTACION Y TECNOLOGIA DE LA INFORMACION VALLE DE SARTENEJAS CODIGO: CI-3725 ASIGNATURA: Traductores e Interpretadores 1

  7. Local wellposedness of Chern-Simons-Schrödinger

    E-Print Network [OSTI]

    Baoping Liu; Paul Smith; Daniel Tataru

    2012-12-06

    In this article we consider the initial value problem for the Chern-Simons-Schrodinger model in two space dimensions. This is a covariant NLS type problem which is L^2 critical. For this equation we introduce a so-called heat gauge, and prove that, with respect to this gauge, the problem is locally well-posed for initial data which is small in H^s, s > 0.

  8. Diagenesis of the Dakota sandstone, West Lindrith Field, Rio Arriba County, New Mexico 

    E-Print Network [OSTI]

    Franklin, Stanley Powell

    1987-01-01

    , illite, mixed-layer clay, and vermiculite. The composition and texture of the Dakota sandstone has been pervasively altered by the diagenetic processes of compaction, authigenesis, and dissolution. Authigenic cements include quartz overgrowths, calcite... Texture and Mineralogy of Clay Minerals Types and Distribution of Porosity 26 26 35 44 58 PROVENANCE OF THE DAKOTA SANDSTONE DIAGENESIS OF THE DAKOTA SANDSTONE 69 Compaction Authigenesis Cementation Clay Authigenesis Dissolution and Secondary...

  9. Environment of deposition of the Pennsylvanian Bartlesville Sandstone, Labette County, Kansas 

    E-Print Network [OSTI]

    Johnson, Charles Truman Lars

    1973-01-01

    that the Bartlesville Sandstone consists of offshore bar and channel deposits as far south as central Oklahoma, but Visher (1968) presents evidence that the Bartlesville Sandstone cf ea? i ~ ~ v?ie eI. in ~ ua ~ urface Leant l ~ co Ka na. Ok I a. Figure 5... south from Kansas into Oklahoma. The abrupt lateral change and lenticular nature of the sandstone led initially to random exploratory drilling, In 1897, the first commercial oil well in Oklahoma was completed in the Bartlesville Sandstone (Weirich...

  10. Greybull Sandstone Petroleum Potential on the Crow Indian Reservation, South-Central Montana

    SciTech Connect (OSTI)

    Lopez, David A.

    2002-05-13

    The focus of this project was to explore for stratigraphic traps that may be present in valley-fill sandstone at the top of the Lower Cretaceous Kootenai Formation. This sandstone interval, generally known as the Greybull Sandstone, has been identified along the western edge of the reservation and is a known oil and gas reservoir in the surrounding region. The Greybull Sandstone was chosen as the focus of this research because it is an excellent, well-documented, productive reservoir in adjacent areas, such as Elk Basin; Mosser Dome field, a few miles northwest of the reservation; and several other oil and gas fields in the northern portion of the Bighorn Basin.

  11. Developing Mt. Hope: The megawatt line

    SciTech Connect (OSTI)

    Rodzianko, P.; Fisher, F.S.

    1992-12-01

    After facing numerous obstacles, including opposition and competition, the Mt. Hope pumped-storage project in New Jersey has been licensed by FERC. That license will allow a former iron ore mine site to be used in producing a new resource-hydroelectricity. In early August 1992, after more than seven years of effort, the 2,000-MW Mt. Hope Waterpower Project was licensed by the Federal Energy Regulatory Commission (FERC). Getting the $1.8 billion pumped-storage project licensed was not an easy task. It involved 54 submittals to FERC, six public meetings, and costs of more than $12 million. Along the way, the project has withstood competing applications, community opposition, and legal battles. Getting a project of this magnitude off the ground is a challenge for even the most experienced developer. The effort was especially challenging for the Halecrest Company, a local family-owned and operated firm with no previous experience in hydroelectric development. When financing became tight, creative ways were found to raise seed capital for the project. When hydroelectric experience was needed, the company developed a world-class corporate team that carried Mt. Hope through the complexities of the licensing process and beyond. With license now in hand, the project developers are ready to move forward with negotiating power sales contracts and securing construction financing. The resulting project will be the second largest pumped-storage facility in the country-second only to the 2,100-MW Bath County project in Virginia. Mt. Hope will take six years to construct and is scheduled to be phased into operation beginning in 1999.

  12. Facies relationships in the Steven Sandstone, Kern County, California 

    E-Print Network [OSTI]

    Findley, Richard Lee

    1975-01-01

    Formation. Sections were measured in detail and sampled for petro- graphic study (Appendix). One section that is equivalent to the Stevens on the west side of the basin was examined at Midway-Sunset 16 field. Two sections in the Santa Margarita Formation..., matrix-like micaceous minerals. Mean grain size of sandstones is 0. 51 mm and range from 0. 29 mm to 0. 74 mm. The laterally-equivalent Santa Margarita Formation on the east side of the basin is interpreted to be submarine landslide deposits on a...

  13. Numerical modeling of injection and mineral trapping of CO2 with H2S and SO2 in a Sandstone Formation

    E-Print Network [OSTI]

    Xu, Tianfu; Apps, John A.; Pruess, Karsten; Yamamoto, Hajime

    2008-01-01

    quality of the Aldebaran Sandstone, Denison Trough, east-accumulation in a lithic sandstone reservoir. Energy, 29(9-of carbon dioxide in a sandstone-shale system. Chem. Geol.

  14. An Improved Model for Sandstone Acidizing and Study of the Effect of Mineralogy and Temperature on Sandstone Acidizing Treatments and Simulation 

    E-Print Network [OSTI]

    Agarwal, Amit Kumar

    2013-01-14

    Sandstone acidizing is a complex operation because the acidizing fluid reacts with a variety of minerals present in the formation that results in a wide range of reaction products. The hydrofluoric acid (HF) reaction rate differs widely from mineral...

  15. A New Approach to Designing the Optimum Acid Treatment for Sandstone Reservoirs 

    E-Print Network [OSTI]

    Abdelmoneim Mahmoud, Sherif

    2014-08-08

    .27 - Pressure drop curve during 1% HF experiment with Grey Berea core ..... 49 Figure 4.28 - ICP analysis for 1% HF experiment with Grey Berea core ....................... 50 ix Figure 4.29 - Initial permeability for core GB-04... ....................................................................... 29 CHAPTER IV EXPERIMENTAL RESULTS ................................................................ 30 Bandera Sandstone Experiments .............................................................. 31 Grey Berea Sandstone Experiments...

  16. SHEAR WAVE TIME-LAPSE SEISMIC MONITORING OF A TIGHT GAS SANDSTONE RESERVOIR, RULISON FIELD, COLORADO

    E-Print Network [OSTI]

    SHEAR WAVE TIME-LAPSE SEISMIC MONITORING OF A TIGHT GAS SANDSTONE RESERVOIR, RULISON FIELD focused specifically on the use of time-lapse (4D) poststack migrated shear-wave seismic data of shear wave data as a tool for monitoring 4D changes. The basin centered tight gas sandstone reservoir

  17. Quartz cementation inhibited by crestal oil charge: Miller deep water sandstone,

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Quartz cementation inhibited by crestal oil charge: Miller deep water sandstone, UK North Sea A. M cement continued to precipitate in the water zone of the reservoir up to the present day. KEYWORDS: quartz cementation, Miller deep water sandstone, North Sea, diagenetic quartz. The Miller Field

  18. Pore water evolution in oilfield sandstones: constraints from oxygen isotope microanalyses of quartz cement

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Pore water evolution in oilfield sandstones: constraints from oxygen isotope microanalyses to trace the origin and evolution of pore waters in three distinct reservoirs of the Brae Formation water evolution was reconstructed from the time of deposition of the sandstones in the Upper Jurassic

  19. Effect of fluid rheology on enhanced oil recovery in a microfluidic sandstone device

    E-Print Network [OSTI]

    Rothstein, Jonathan

    Effect of fluid rheology on enhanced oil recovery in a microfluidic sandstone device Michael A 2013 Keywords: Microfluidics Enhanced oil recovery Shear-thickening Viscoelastic Sandstone Interfacial tension a b s t r a c t As global energy usage increases, maximizing oil recovery from known reserves

  20. Archosaur remains from the Otter Sandstone Formation (Middle Triassic, late Anisian) of Devon, southern UK

    E-Print Network [OSTI]

    Benton, Michael

    . Introduction The Middle Triassic Otter Sandstone Formation of the south coast of Devon has been a source-bearing maxilla and mandible are robust, and could survive transport in high-energy streams better than some The new jaw comes from the Otter Sandstone Formation (OSF) at Port Royal, Sidmouth (Fig. 1), one

  1. Extension of Chern-Simons forms

    SciTech Connect (OSTI)

    Konitopoulos, Spyros; Savvidy, George

    2014-06-15

    We investigate metric independent, gauge invariant, and closed forms in the generalized Yang-Mills (YM) theory. These forms are polynomial on the corresponding fields strength tensors – curvature forms and are analogous to the Pontryagin-Chern densities in the YM gauge theory. The corresponding secondary characteristic classes have been expressed in integral form in analogy with the Chern-Simons form. Because they are not unique, the secondary forms can be dramatically simplified by the addition of properly chosen differentials of one-step-lower-order forms. Their gauge variation can also be found yielding the potential anomalies in the gauge field theory.

  2. Mt Rainier Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver, Pennsylvania:(CTI PFAN) | Open Energy(RECP)Mt

  3. Mt Wheeler Power, Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop Inc Jump to: navigation,Mereg GmbHMontebalitoMt Princeton Hot Springs

  4. Marysville Mt Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource HistoryScenariosMarysville Mt Geothermal Area Jump to: navigation, search

  5. Mt Signal Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsourceII Jump to: navigation, searchsource HistoryCharleston,Peak Utility Jump to:PosoMt

  6. STRUCTURAL AND STRATIGRAPHIC CONTROLS ON MORROW SANDSTONE RESERVOIR DISTRIBUTION FROM 3-D SEISMIC DATA, POSTLE FIELD, TEXAS

    E-Print Network [OSTI]

    STRUCTURAL AND STRATIGRAPHIC CONTROLS ON MORROW SANDSTONE RESERVOIR DISTRIBUTION FROM 3-D SEISMIC the unit. Use of 3D, P-wave seismic data for Morrow sandstone delineation is difficult. The difficulty then guided the analysis of seismic data. Seismic amplitudes can be used to delineate Morrow A sandstones. 3D

  7. GEOPHYSICAL RESEARCH LETTERS, VOL. 40, 35503555, doi:10.1002/grl.50676, 2013 Elastic envelopes of porous sandstones

    E-Print Network [OSTI]

    Fortin, Jérôme

    of porous sandstones Yves Guéguen1 and Jérôme Fortin1 Received 23 April 2013; revised 11 June 2013; accepted 14 June 2013; published 19 July 2013. [1] In this paper we focus on the case of sandstones for which: Guéguen, Y., and J. Fortin (2013), Elastic envelopes of porous sandstones, Geophys. Res. Lett., 40, 3550

  8. Deformation bands and their impact on fluid flow in sandstone reservoirs: the role of natural thickness variations

    E-Print Network [OSTI]

    Fossen, Haakon

    Deformation bands and their impact on fluid flow in sandstone reservoirs: the role of natural Cataclastic deformation bands, which are common in sandstone reservoirs and which may negatively affect fluid simulation of an array of cataclastic deformation bands in Cretaceous sandstones in in the Bassin de Sud

  9. Spatial heterogeneity and ecology of algal communities in an ephemeral sandstone stream in the Bohemian Switzerland National Park, Czech

    E-Print Network [OSTI]

    1 Spatial heterogeneity and ecology of algal communities in an ephemeral sandstone stream Switzerland National Park was established to protect the sandstone landscape formed by the erosion of the sandstone bedrock. These ephemeral streams are unique biotopes on the boundary of aquatic and aerial

  10. R tuart Haszeldine, University of Edinburgh, Edinburgh, United Kingdom Oil Charge Preserves Deep-Burial Porosity in Sandstones and Limestones

    E-Print Network [OSTI]

    Haszeldine, Stuart

    -Burial Porosity in Sandstones and Limestones Debate since 1920, has equivocated over the effects of oil charge on reservoir quality. Regional information and local case-studies from the North Sea, shows sandstones from. As with sandstones, two types of reservoirs exist, those with regional porosity decline and those with raid porosity

  11. Slow Dynamics and Nonlinear Response at Low Strains in Berea Sandstone James A. TenCate and Thomas J. Shankland

    E-Print Network [OSTI]

    Slow Dynamics and Nonlinear Response at Low Strains in Berea Sandstone James A. TenCate and Thomas on thin bars of sandstone were performed. Resonance curves were ob- tained by measuring acceleration solids [2]. We observe that sandstones have a nonlinear dynamic response down to the smallest strains we

  12. Water Sampling At Mt Princeton Hot Springs Geothermal Area (Olson...

    Open Energy Info (EERE)

    Water Sampling At Mt Princeton Hot Springs Geothermal Area (Olson & Dellechaie, 1976) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water...

  13. Refraction Survey At Mt Princeton Hot Springs Geothermal Area...

    Open Energy Info (EERE)

    Refraction Survey At Mt Princeton Hot Springs Geothermal Area (Lamb, Et Al., 2012) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Refraction...

  14. 3D Mt Resistivity Imaging For Geothermal Resource Assessment...

    Open Energy Info (EERE)

    3D Mt Resistivity Imaging For Geothermal Resource Assessment And Environmental Mitigation At The Glass Mountain Kgra, California Jump to: navigation, search OpenEI Reference...

  15. Vertical Electrical Sounding Configurations At Mt Princeton Hot...

    Open Energy Info (EERE)

    Vertical Electrical Sounding Configurations At Mt Princeton Hot Springs Geothermal Area (Zohdy, Et Al., 1971) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

  16. Direct-Current Resistivity Survey At Mt Princeton Hot Springs...

    Open Energy Info (EERE)

    Direct-Current Resistivity Survey At Mt Princeton Hot Springs Area (Richards, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  17. Geothermometry At Mt Princeton Hot Springs Geothermal Area (Pearl...

    Open Energy Info (EERE)

    Et Al., 1976) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry At Mt Princeton Hot Springs Geothermal Area (Pearl, Et Al., 1976)...

  18. The Chern-Simons Number as a Dynamical Variable

    E-Print Network [OSTI]

    Tye, S -H Henry

    2016-01-01

    In the standard electroweak theory that describes nature, the Chern-Simons number associated with the vacua as well as the unstable sphaleron solutions play a crucial role in the baryon number violating processes. We recall why the Chern-Simons number should be generalized from a set of discrete values to a dynamical (quantum) variable. Via the construction of an appropriate Hopf invariant and the winding number, we discuss how the geometric information in the gauge fields is also captured in the Higgs field. We then discuss the choice of the Hopf variable in relation to the Chern-Simons variable.

  19. Anomalies, Chern-Simons Terms and Black Hole Entropy

    E-Print Network [OSTI]

    Tatsuo Azeyanagi; R. Loganayagam; Gim Seng Ng

    2015-05-11

    Recent derivations of Cardy-like formulae in higher dimensional field theories have opened up a way of computing, via AdS/CFT, universal contributions to black hole entropy from gravitational Chern-Simons terms. Based on the manifestly covariant formulation of the differential Noether charge for Chern-Simons terms proposed in arXiv:1407.6364, we compute the entropy and asymptotic charges for the rotating charged AdS black holes in higher dimensions at leading order of the fluid/gravity derivative expansion in the Einstein-Maxwell-Chern-Simons system. This gives a result that exactly matches the field theory predictions from Cardy-like formulae.

  20. Reservoir characterization of Pennsylvanian Sandstone Reservoirs. Annual report

    SciTech Connect (OSTI)

    Kelkar, M.

    1992-09-01

    This annual report describes the progress during the second year of a project on Reservoir Characterization of Pennsylvanian Sandstone Reservoirs. The report is divided into three sections: (i) reservoir description and scale-up procedures; (ii) outcrop investigation; (iii) in-fill drilling potential. The first section describes the methods by which a reservoir can be characterized, can be described in three dimensions, and can be scaled up with respect to its properties, appropriate for simulation purposes. The second section describes the progress on investigation of an outcrop. The outcrop is an analog of Bartlesville Sandstone. We have drilled ten wells behind the outcrop and collected extensive log and core data. The cores have been slabbed, photographed and the several plugs have been taken. In addition, minipermeameter is used to measure permeabilities on the core surface at six inch intervals. The plugs have been analyzed for the permeability and porosity values. The variations in property values will be tied to the geological descriptions as well as the subsurface data collected from the Glen Pool field. The third section discusses the application of geostatistical techniques to infer in-fill well locations. The geostatistical technique used is the simulated annealing technique because of its flexibility. One of the important reservoir data is the production data. Use of production data will allow us to define the reservoir continuities, which may in turn, determine the in-fill well locations. The proposed technique allows us to incorporate some of the production data as constraints in the reservoir descriptions. The technique has been validated by comparing the results with numerical simulations.

  1. Depositional environment of Upper Devonian sandstones in Westmoreland County, southwestern Pennsylvania 

    E-Print Network [OSTI]

    McGee, Patricia Ann

    1985-01-01

    for natural gas was completed in 1821. It was located in Chautauqua County, New York and produced from Devonian black shales. In 1859, the first oil well, the famous Drake discovery well, was drilled in Titusville, Pennsylvania and produced from the Upper... the Bayard Sandstone core showing fining upward sequences. 47 15 Core analysis plot of porosity, permea- bility, oil saturation, and water satura- tion for the First Bradford Sandstone, E. K. Shirer 1 and the Balltown Sandstone, P. J. McShane 1 53 16...

  2. Depositional environment and reservoir morphology of Spraberry sandstones, Parks field, Midland County, Texas 

    E-Print Network [OSTI]

    Yale, Mark William

    1986-01-01

    , structureless sand- stones, very thinly laminated and bioturbated siltstones, and thin black shales. Sandstones are either thick or thin bedded, and vary in thickness from 0. 05 ft (0. 02 m) to 14. 5 ft (4. 4 m). Sandstones average 2. 7 ft (0. 8 m.... , 1952; Mardock and Myers, 1951; Bartley, 1952; Wilkinson, 1953; Hubbert and Willis, 1955). The upper member contains three well-defined sandstone beds and intervening beds of black shale and argillaceous limestones. This member is commonly 200 to 250...

  3. Facies architecture of the Bluejacket Sandstone in the Eufaula Lake area, Oklahoma: Implications for the reservoir characterization of the Bartlesville Sandstone

    SciTech Connect (OSTI)

    Ye, Liangmiao; Yang, Kexian

    1997-08-01

    Outcrop studies of the Bluejacket Sandstone (Middle Pennsylvanian) provide significant insights to reservoir architecture of the subsurface equivalent Bartlesville Sandstone. Quarry walls and road cuts in the Lake Eufaula area offer excellent exposures for detailed facies architectural investigations using high-precision surveying, photo mosaics. Directional minipermeameter measurements are being conducted. Subsurface studies include conventional logs, borehole image log, and core data. Reservoir architectures are reconstructed in four hierarchical levels: multi-storey sandstone, i.e. discrete genetic intervals; individual discrete genetic interval; facies within a discrete genetic interval; and lateral accretion bar deposits. In both outcrop and subsurface, the Bluejacket (Bartlesville) Sandstone comprises two distinctive architectures: a lower braided fluvial and an upper meandering fluvial. Braided fluvial deposits are typically 30 to 80 ft thick, and are laterally persistent filling an incised valley wider than the largest producing fields. The lower contact is irregular with local relief of 50 ft. The braided-fluvial deposits consist of 100-400-ft wide, 5-15-ft thick channel-fill elements. Each channel-fill interval is limited laterally by an erosional contact or overbank deposits, and is separated vertically by discontinuous mudstones or highly concentrated mudstone interclast lag conglomerates. Low-angle parallel-stratified or trough cross-stratified medium- to coarse-grained sandstones volumetrically dominate. This section has a blocky well log profile. Meandering fluvial deposits are typically 100 to 150 ft thick and comprise multiple discrete genetic intervals.

  4. MT3DMS v5.3 Supplemental User's Guide

    E-Print Network [OSTI]

    Zheng, Chunmiao

    published by the U.S. Army Corps of Engineers (Zheng and Wang, 1999; available at http://hydro.geo.ua.edu/mt3d). Readers should refer to Zheng and Wang (1999) for complete information on the theoretical Tonkin, Henning Prommer, Chris Langevin, Ned Banta, Eileen Poeter, and Rui Ma in various aspects of MT3

  5. MOBILE INTERACTIVE VISITOR INFORMATION SERVICE: PUKAHA MT. BRUCE TRIAL RESULTS

    E-Print Network [OSTI]

    Zealand Tourism Research Institute Sept 2005 #12;New Zealand Tourism Research Institute September 2005 www Information Service (MIVIS) mobile phones to access audio information at Pukaha Mt Bruce (PMB) were collected and range of visitors using the MIVIS phones in the Pukaha Mt Bruce setting. #12;New Zealand Tourism

  6. WPA Omnibus Award MT Wind Power Outreach

    SciTech Connect (OSTI)

    Brian Spangler, Manager Energy Planning and Renewables

    2012-01-30

    The objective of this grant was to further the development of Montanaâ??s vast wind resources for small, medium, and large scale benefits to Montana and the nation. This was accomplished through collaborative work with wind industry representatives, state and local governments, the agricultural community, and interested citizens. Through these efforts MT Dept Environmental Quality (DEQ) was able to identify development barriers, educate and inform citizens, as well as to participate in regional and national dialogue that will spur the development of wind resources. The scope of DEQâ??s wind outreach effort evolved over the course of this agreement from the development of the Montana Wind Working Group and traditional outreach efforts, to the current focus on working with the stateâ??s university system to deliver a workforce trained to enter the wind industry.

  7. Chi tit mn hc mt bn kia.

    E-Print Network [OSTI]

    California at Davis, University of

    v xã hi, ý n môi trng và sáng to. "Th ô xe p ca Hoa K," Davis là mt cng ng a dng và nng ng chào ón, Phát �m và Nghe Trong Lãnh Vc Hc Tp, và các lãnh vc khác. Ngoài ra cng có nhiu c hi tham gia các t chc ti trng và phc v cng ng. Mun bit ngày tháng, hc phí và các chi tit khác, hãy n: www

  8. Rock doughnut and pothole structures of the Clarens Fm. Sandstone in the Karoo Basin, South Africa: Possible links to Lower Jurassic fluid seepage

    E-Print Network [OSTI]

    Svensen, Henrik

    Rock doughnut and pothole structures of the Clarens Fm. Sandstone in the Karoo Basin, South Africa Morphology Process origins Clarens Fm. Sandstone South Africa has a wealth of sandstone landforms, yet many potholes (mean=37.8; n=150) and surrounding sandstone platform (mean=39.7; n=250). The petrography

  9. Holographic Entanglement for Chern-Simons Terms

    E-Print Network [OSTI]

    Tatsuo Azeyanagi; R. Loganayagam; Gim Seng Ng

    2015-08-04

    We derive the holographic entanglement entropy contribution from pure and mixed gravitational Chern-Simons(CS) terms in AdS$_{2k+1}$. This is done through two different methods : first, by a direct evaluation of CS action in a holographic replica geometry and second by a descent of Dong's derivation applied to the corresponding anomaly polynomial. In lower dimensions $(k=1,2)$, the formula coincides with the Wald-Tachikawa formula for black hole entropy from gravitational CS terms. New extrinsic curvature corrections appear for $k\\geq 3$ : we give explicit and concise expressions for the two pure gravitational CS terms in AdS$_7$ and present various consistency checks, including agreements with the black hole entropy formula when evaluated at the bifurcation surface.

  10. Covariant Noether Charge for Higher Dimensional Chern-Simons Terms

    E-Print Network [OSTI]

    Tatsuo Azeyanagi; R. Loganayagam; Gim Seng Ng; Maria J. Rodriguez

    2015-07-13

    We construct a manifestly covariant differential Noether charge for theories with Chern-Simons terms in higher dimensional spacetimes. This is in contrast to Tachikawa's extension of the standard Lee-Iyer-Wald formalism which results in a non-covariant differential Noether charge for Chern-Simons terms. On a bifurcation surface, our differential Noether charge integrates to the Wald-like entropy formula proposed by Tachikawa in arXiv:hep-th/0611141.

  11. Controlled-source electromagnetic mapping of a faulted sandstone aquifer in central Texas 

    E-Print Network [OSTI]

    Gorman, Erin Margaret

    1998-01-01

    Controlled-source electromagnetic mapping (CSEM) techniques were used to identify lateral variations in electrical conductivity associated with faults and facies contacts in a shallow sandstone aquifer in central Texas. The purpose of the research...

  12. Evalutaion of Multi-Stage Sandstone Acidizing Uging an Organic Mud Acid and a Clay Stabalizer 

    E-Print Network [OSTI]

    Sakipour, Armin

    2013-05-29

    of the reactions involved in this process. These reactions result in potentially damaging precipitation and cause formation damage. The problem is more severe when dealing with Bandera sandstone formations that contain a high concentration of carbonate minerals...

  13. Investigating the Use of Chelating Agents for Clay Dissolution and Sandstone Acidizing Purposes 

    E-Print Network [OSTI]

    Andotra, Gautam

    2014-08-06

    Mud acid, a mixture of HCl and HF, has been frequently used for stimulating sandstone reservoirs. However, using HCl in such environments can be problematic, especially at higher temperatures. Some of the most common problems are the following: clay...

  14. Correlations to determine in-situ stress from open-hole logging data in sandstone reservoirs 

    E-Print Network [OSTI]

    Gongora, Cesar Augusto

    1995-01-01

    Knowledge of in-situ stress distribution within reservoir sandstones and the surrounding formations is recognized as one of the most important factors in the design and analysis of hydraulic fractures. In-situ stress ...

  15. The structure and evolution of small-displacement strike-slip faults in porous sandstone 

    E-Print Network [OSTI]

    Schafer, Kirk Wyatt

    2002-01-01

    The early-evolution of fault structure is inferred from analysis of detailed maps of portions of strike-slip faults with uniform displacements ranging from mm to decimeter in porous quartzose sandstone. Emphasis is on ...

  16. Pore-scale modeling of electrical and fluid transport in Berea sandstone

    E-Print Network [OSTI]

    Zhan, Xin

    The purpose of this paper is to test how well numerical calculations can predict transport properties of porous permeable rock, given its 3D digital microtomography (?CT) image. For this study, a Berea 500 sandstone sample ...

  17. Depositional environment of woodbine sandstones, Polk, Tyler and San Jacinto Counties, Texas 

    E-Print Network [OSTI]

    Foss, Deane Campbell

    1978-01-01

    of oil in degrees API c. SITP = shut-in tubing pressure (pounds per square in. ) BHSIP = bottom hole shut-in pressure (pounds per square in. ) 22 while wells in the Seven Oaks field are normally pressured. Accord- ing to Kiatta (1974), Hortense... section can be divided up into Lower, Middle, and non-bioturbated and bioturbated Upper units of interbedded sandstones and shales. Strike-trending, pod-shaped concentrations of bioturbated Upper sandstones are the principle reservoirs in these fields...

  18. Environment of deposition of the upper Jurassic "Gray" sandstones, Terryville field, Lincoln Parish, Louisiana 

    E-Print Network [OSTI]

    Mani, Philip Charles

    1983-01-01

    as feldspathic subli- tharenites (Folk, 1974). Sandstones occur in a section of dominant dark shale that has a total thickness of 600 ft (182 m) . Cores exhibit thin sandstone beds with repetit'ous sequences of sedimentary structures and textural grading... black shale facies, and a deep marine trace fossil assemblage indicate a basinal environment of deposition. ACKNOWLEDGEMENTS I would like to thank Dr. Robert Berg, Chairman of my committee, for providing the topic and research funds for this study...

  19. Depositional environment of Red Fork sandstones, deep Anadarko Basin, western Oklahoma 

    E-Print Network [OSTI]

    Whiting, Philip Howard

    1982-01-01

    of constructional channel-fill sandstones of the Red Fork, East Clinton Field. Location of cross section shown in Fig. 17. Datum level is an overlying highly conductive shale marker 51 19 Core analysis plot showing porosity, permeability, and fluid saturation...- ducers of oil and gas. Huch of the Red Fork production 'n this area has occurred while drilling for the deeper Morrow sandstones. The excellent natural gas productior. from the shallower Red Fork reservoirs has recently generated much interest...

  20. Sedimentology and cyclicity in the Lower Permian De Chelly sandstone on the Defiance Plateau: Eastern Arizona

    SciTech Connect (OSTI)

    Stanesco, J.D. (Geological Survey, Lakewood, CO (United States))

    1991-10-01

    Lithofacies in the De Chelly Sandstone consist of (1) a large-scale trough to tabular- and/or wedge-planar cross-stratified sandstone facies of large-scale eolian dune origin, (2) a small- to medium-scale, trough cross-stratified sandstone also of eolian dune origin, (3) a horizontally stratified, wind-rippled sandstone of sand sheet origin, (4) a wavy, horizontally stratified, wind-rippled sandstone of sabkha origin, and (5) a mud-draped ripple-laminated sandstone of mud-flat origin. The De Chelly Sandstone in the northern Defiance Plateau consists mainly of large-scale dune deposits. Stratigraphic sections in the middle of the plateau are dominated by small- to medium-scale dune and sand sheet deposits whereas those along the southern end of the plateau are composed largely of sabkha and supratidal mud-flat deposits. The lateral distribution of these facies suggests a north-south juxtaposition of central-erg, fore-erg, and mixed sabkha-supratidal depositional environments. Repetitive interbedding of facies in the De Chelly indicates at least twelve depositional cycles in which sabkha and/or supratidal to coastal-plain mud-flats were sequentially overridden by eolian sand sheets and cross-stratified dunes. Lateral and vertical facies relations within the lower and upper members of the De Chelly Sandstone record episodic expansion of the De Chelly erg southward. The comparative abundance of large-scale dune deposits in the upper member suggests that progradation was more extensive during latter stages of deposition. The intervening tongue of Supai Formation and the redbeds that overlie the upper member of the De Chelly at Bonito Canyon document northward transgression of sabkha and supratidal to coastal-plain mud-flat environments. Eolian dune deposition was restricted to the northern Defiance Plateau during deposition of these units.

  1. Environment of deposition of the Permian Lyons Sandstone at Black Hollow Field, Weld County, Colorado 

    E-Print Network [OSTI]

    Frank, David Michael

    1984-01-01

    ENVIRONMENT OF DEPOSITION OF THE PERMIAN LYONS SANDSTONE AT BLACK HOLLOW FIELD, WELD COUNTY, COLORADO A Thesis by DAVID MICHAEL FRANK Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement... for the degree of MASTER QF SCIENCE August 1984 Major Subject: Geology ENVIRONMENT OF DEPOSITION OF THE PERMIAN LYONS SANDSTONE AT BLACK HOLLOW FIELD, WELD COUNTY, COLORADO A Thesis by DAVID MICHAEL FRANK Approved as to style and content by: R. R. Berg...

  2. The measurement of contact areas and temperature during frictional sliding of Tennessee sandstone 

    E-Print Network [OSTI]

    Teufel, Lawrence William

    1976-01-01

    THE MEASUREMENT OF CONTACT AREAS AND TEMPERATURE DURING FRICTIONAL SLIDING OF TENNESSEE SANDSTONE A Thesis by LAWRENCE WILLIAM TEUFEL Submit';ed to the Graduate College of Texas ASM University in partial fulfillment of the requirements... for the degree of MASTERS OF SCIENCE August 1976 Major Subiect: Geology THE MEASUREMENT OF CONTACT AREAS AND TEMPERATURES DURING FRICTIONAL SLIDING OF TENNESSEE SANDSTONE A Thesis by LAWRENCE WILLIAM TEUFEL Approved as to sty1e and content by: Cha rma...

  3. An investigation into the mechanical response of Berea sandstone to the uniaxial-biaxial test 

    E-Print Network [OSTI]

    Denton, Meredith Yrette

    1992-01-01

    AN INVESTIGATION INTO THE MECHANICAL RESPONSE OF BEREA SANDSTONE TO THE UNIAXIAL-BIAXIAL TEST A Thesis by MEREDITH YRETTE DENTON Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE December 1992 Major Subject: Geophysics AN INVESTIGATION INTO THE MECHANICAL RESPONSE OF BEREA SANDSTONE TO THE THE UNIAXIAL-BIAXIAL TEST A Thesis by MEREDITH YRETIK DENTON Approved as to style and content by: Joh...

  4. CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013 Hilton Alexandria Old Town Alexandria, Virginia Page 1

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013· Hilton Alexandria Old Town· Alexandria) on Mt. Simon sandstone (USA) #12;CARBON MANAGEMENT TECHNOLOGY CONFERENCE OCTOBER 21-23, 2013· Hilton techniques are considered to be expedient tools for CO2-risk management. Reservoir pressure

  5. Modeling Functional Data Sources as Relations Simone Santini and Amarnath Gupta

    E-Print Network [OSTI]

    Gupta, Amarnath

    Modeling Functional Data Sources as Relations Simone Santini and Amarnath Gupta University, LNCS 3288, pp. 55­68, 2004. c Springer-Verlag Berlin Heidelberg 2004 #12;56 Simone Santini and Amarnath

  6. Recycling Lingware in a Multilingual MT System Steffen Leo Hansen

    E-Print Network [OSTI]

    Recycling Lingware in a Multilingual MT System Steffen Leo Hansen Manny Rayner David Carter Ivan (Rayner and Carter, 1997). The first is the most obvious: we start with a function- ing grammar

  7. Ground Gravity Survey At Mt Princeton Hot Springs Geothermal...

    Open Energy Info (EERE)

    lithologic distrubtions Notes Gravity low associated with Mt. Princeton Batholith; density contrast of -0.5 gcm3 of valley-fill sediments relative to batholith References J.E....

  8. The depositional environment and reservoir characteristics of the Upper Morrow "A" sandstone, Postle field, Texas County, Oklahoma 

    E-Print Network [OSTI]

    Travis, Lynn Suzanne

    1987-01-01

    deposit is conformably overlain by a mature point bar sandstone and related channel shales. A final braided stream episode incises into the lower sandstones and deposited braided bar sandstones. 52 16 Core analysis of PUMU 11 ? 9 showing porosity... regression of the sea into the Anadarko basin toward the southeast. The Sierra Grande Uplift in eastern Colorado and New Mexico was a northwest trending feature separated from the Las Animas arch by a structural trough. The Sierra Grande Uplift became a...

  9. Factors controlling reservoir quality in tertiary sandstones and their significance to geopressured geothermal production. Annual report, May 1, 1979-May 31, 1980

    SciTech Connect (OSTI)

    Loucks, R.G.; Richmann, D.L.; Milliken, K.L.

    1980-07-01

    Differing extents of diagenetic modification is the factor primarily responsible for contrasting regional reservoir quality of Tertiary sandstones from the Upper and Lower Texas Gulf Coast. Detailed comparison of Frio sandstones from the Chocolate Bayou/Danbury Dome area, Brazoria County, and Vicksburg sandstones from the McAllen Ranch Field area, Hidalgo County, reveals that extent of diagenetic modification is most strongly influenced by (1) detrital mineralogy and (2) regional geothermal gradients. Vicksburg sandstones from the McAllen Ranch Field area are less stable, chemically and mechanically, than Frio sandstones from the Chocolate Bayou/Danbury dome area. Vicksburg sandstones are mineralogically immature and contain greater proportions of feldspars and rock fragments than do Frio sandstones. Thr reactive detrital assemblage of Vicksubrg sandstones is highly susceptible to diagenetic modification. Susceptibility is enhanced by higher than normal geothermal gradients in the McAllen Ranch Field area. Thus, consolidation of Vicksburg sandstones began at shallower depth of burial and precipitation of authigenic phases (especially calcite) was more pervasive than in Frio sandstones. Moreover, the late-stage episode of ferroan calcite precipitation that occluded most secondary porosity in Vicksburg sandstones did not occur significantly in Frio sandstones. Therefore, regional reservoir quality of Frio sandstones from Brazoria County is far better than that characterizing Vicksburg sandstones from Hidalgo County, especially at depths suitable for geopressured geothermal energy production.

  10. Variations of chlorites and illites and porosity in Mississippian sandstone reservoirs in the Illinois basin

    SciTech Connect (OSTI)

    Moore, D.M.; Hughes, R.E. (Illinois State Geological Survey, Champaign (United States))

    1991-03-01

    Shallow marine, Mississippian, siliclastics in the Illinois basin, although predominantly quartz, contain other minerals that directly influence the porosity and permeability of these reservoir rocks. These sandstones contain more chlorite and kaolinite, relative to illite, than the authors have observed for shales from other Chesterian and Valmeyeran strata. Clay mineral suites in reservoirs appear to be diagenetic. The Aux Vases Sandstone contains illite, illite/smectite, and chlorite; kaolinite is absent. The Cypress Sandstone contains illite, illite/smectite, chlorite, and kaolinite. Chlorite in the Aux Vases Sandstone varies from moderately Fe-rich to Mg-rich, whereas the chlorite in the Cypress Sandstone is uniformly Fe-rich. As the percentage of clay minerals in these rocks decreases, the proportion of chlorite to other clay minerals increases. In some chlorites, the width of the 003 and 005 peaks at half-height is greater than that of the 002 and 004 peaks. This suggests an interlayering of a 7{angstrom} mineral, probably berthierine- or serpentine-like. SEM photos show chlorite coating quartz grains. In some samples there are quartz overgrowths in spite of the presence of a coating of chlorite; in others, chlorite interlayered with the 7{angstrom} phase seems to have interfered with or suppressed overgrowths. Correspondingly, there is a correlation between the 7{angstrom} phase/chlorite and porosity. Therefore, identification of the type of chlorite in a potential reservoir may be an indicator of porosity, as well as a guide for selecting completion and stimulation treatments.

  11. Even-dimensional topological gravity from Chern-Simons gravity

    E-Print Network [OSTI]

    Nelson Merino; Alfredo Perez; Patricio Salgado

    2009-10-08

    It is shown that the topological action for gravity in 2n-dimensions can be obtained from the 2n+1-dimensional Chern-Simons gravity genuinely invariant under the Poincare group. The 2n-dimensional topological gravity is described by the dynamics of the boundary of a 2n+1-dimensional Chern-Simons gravity theory with suitable boundary conditions. The field $\\phi^{a}$, which is necessary to construct this type of topological gravity in even dimensions, is identified with the coset field associated with the non-linear realizations of the Poincare group ISO(d-1,1).

  12. Chern-Simons classes of flat connections on supermanifolds

    E-Print Network [OSTI]

    JN Iyer; Un Iyer

    2007-07-16

    In this note we define Chern-Simons classes of a superconnection $D+L$ on a complex supervector bundle $E$ such that $D$ is flat and preserves the grading, and $L$ is an odd endomorphism of $E$ on a supermanifold. As an application we obtain a definition of Chern-Simons classes of a (not necessarily flat) morphism between flat vector bundles on a smooth manifold. We extend Reznikov's theorem on triviality of these classes when the manifold is a compact K\\"ahler manifold or a smooth complex quasi--projective variety, in degrees > 1.

  13. Chern-Simons classes of flat connections on supermanifolds

    E-Print Network [OSTI]

    Iyer, JN

    2007-01-01

    In this note we define Chern-Simons classes of a superconnection $D+L$ on a complex supervector bundle $E$ such that $D$ is flat and preserves the grading, and $L$ is an odd endomorphism of $E$ on a supermanifold. As an application we obtain a definition of Chern-Simons classes of a (not necessarily flat) morphism between flat vector bundles on a smooth manifold. We extend Reznikov's theorem on triviality of these classes when the manifold is a compact K\\"ahler manifold or a smooth complex quasi--projective variety, in degrees > 1.

  14. Maxwell-Chern-Simons Hydrodynamics for the Chiral Magnetic Effect

    E-Print Network [OSTI]

    Sener Ozonder

    2011-07-20

    The rate of vacuum changing topological solutions of the gluon field, sphalerons, is estimated to be large at the typical temperatures of heavy-ion collisions, particularly at the Relativistic Heavy Ion Collider. Such windings in the gluon field are expected to produce parity-odd bubbles, which cause separation of positively and negatively charged quarks along the axis of the external magnetic field. This chiral magnetic effect can be mimicked by Chern-Simons modified electromagnetism. Here we present a model of relativistic hydrodynamics including the effects of axial anomalies via the Chern-Simons term.

  15. NEAFS Y-mtDNA Workshop (Butler and Coble) November 1, 2006

    E-Print Network [OSTI]

    NEAFS Y-mtDNA Workshop (Butler and Coble) mtDNA November 1, 2006 http://www.cstl.nist.gov/biotech) mtDNA November 1, 2006 http://www.cstl.nist.gov/biotech/strbase/training.htm 2 Data Review-mtDNA Workshop (Butler and Coble) mtDNA November 1, 2006 http://www.cstl.nist.gov/biotech/strbase/training.htm 3

  16. SEQUENCE STRATIGRAPHY AND FACIES ANALYSIS OF THE ROLLINS SANDSTONE MEMBER (MOUNT GARFIELD FORMATION) AND RE-EXAMINATION OF THE CONTACT BETWEEN THE MOUNT GARFIELD AND WILLIAMS FORK FORMATIONS (LATE CRETACEOUS)

    E-Print Network [OSTI]

    Thompson, Jesse David

    2011-08-31

    The Cretaceous Rollins Sandstone Member (Mount Garfield Formation) is the youngest marine sandstone deposited within the Sevier foreland basin in Colorado. The Rollins Sandstone Member is a complicated stratigraphic unit ...

  17. Origins of relief along contacts between eolian sandstones and overlying marine strata

    SciTech Connect (OSTI)

    Eschner, T.B.; Kocurek, G.

    1988-08-01

    Origins of large-scale relief along eolian-marine unit contacts, which form significant stratigraphic traps for hydrocarbons, can be recognized as inherited, reworked, and/or erosional. The Permian Rotliegende-Weissliegende Sandstone and Yellow Sands of Europe may best exemplify inherited relief in that dunes are preserved largely intact. Reworked relief, which shows significant destruction of original dune topography but with remnants of the bedforms preserved, is shown by relict Holocene dunes of coastal Australia, the Jurassic Entrada Sandstone of the San Juan basin, and the Pennsylvanian-Permian Minnelusa Formation of Wyoming. Erosional relief results from post-eolian processes and is exemplified by the Jurassic Entrada Sandstone of northeastern Utah. 11 figs., 1 tab.

  18. Depositional environment of lower cretaceous Mitchell sandstone, St. Mary and Duty fields, Lafayette County, Arkansas 

    E-Print Network [OSTI]

    Mazzullo, Elsa Kapitan

    1983-01-01

    . They are interbedded with organic-rich, silty shale and oyster beds. The marine "B" sandstone of the third facies is a calcareous, silty sandstone, locally equivalent to a carbonate grainstone storm deposit, that was reworked from a previous barrier. The presence... of Centenary College of Louisiana. Les Berry and Lake Ronel Oil Company provided funding, cores, and other subsurface data on St. Mary and Duty fields. Eliot Taylor instructed me in taking and processing x-ray radiographs and aided in the analysis...

  19. Diagenesis of the Terry sandstone member of the Pierre Shale, Spindle field, Weld County, Colorado 

    E-Print Network [OSTI]

    Hays, Phillip Dean

    1986-01-01

    DIAGENESIS OF THE TERRY SANDSTONE MEMBER OF THE PIERRE SHALE, SPINDLE FIELD, WELD COUNTY, COLORADO A Thesis PHILLIP DEAN HAYS Submitted to the Gradute College of Texas A&M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE August 1986 Major Subject: Geology DIAGNESIS OF THE TERRY SANDSTONE MEMBER OF THE PIERRE SHALE ~ SP INDLE F I ELD ~ WELD COUNTY ~ COLORADO A Thesis by PHILLIP DEAN HAYS Approved as to style and content by: -, ~jD Thomas T...

  20. The influence of pore fluids on the frictional properties of quartzose sandstone 

    E-Print Network [OSTI]

    Blackwell, Michael Lloyd

    1973-01-01

    THE INFLUENCE OF PORE FLUIDS ON THE FRICTIONAL PROPERTIES OF QUARTZOSE SANDSTONE A Thesis by MICHAEL LLOYD BLACKWELL Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER... OF SCIENCE May 1973 Ma)or Sub)ect: Geophysics THE INFLUENCE OF PORE FLUIDS ON THE FRICTIONAL PROPERTIES OF QUARTZOSE SANDSTONE A Thesis by MICHAEL LLOYD BLACKHELL Approved as to style and content by: (Chai of Committee) (Head of De rtment) (Member...

  1. Effect of core length on laboratory displacement of oil by CO? in sandstone 

    E-Print Network [OSTI]

    Chan, Kenneth Yun-Kwong

    1974-01-01

    EXPECT OP CORE LENGTH ON LABORATORY DISPLACEMENT OP OIL BY C02 IN SANDSTONE A Thesis by KENNETH YUN KWONG CHAN Submitted to the Graduate College of Texas khM University in partial fulfillment of the requirement for the degree of MASTER OP... SCIENCE August 1974 Major Subject: Petroleum Engineering EPACT OP CORE LENGTH ON LABORATORY DISPLACEMENT Oy OIL BY COR IN SANDSTONE A Thesis by KENNETH YUN KWONG CHAN Approved as to style and content by: a an o omm ee ea o Department ember Mem...

  2. SHEAR-WAVE SOURCED 3-D VSP IMAGING OF TIGHT-GAS SANDSTONES IN RULISON FIELD, COLORADO

    E-Print Network [OSTI]

    1 #12;SHEAR-WAVE SOURCED 3-D VSP IMAGING OF TIGHT-GAS SANDSTONES IN RULISON FIELD, COLORADO heavily on understanding the distribution of sandstone bodies in the subsurface. Shear-wave sourced 3-D was applied to the shear- wave reflection data. A geologically-constrained migration-velocity model

  3. images courtesy Simon Donner Why study coral reef ecosystems?

    E-Print Network [OSTI]

    Keeling, Patrick

    zoothanthellae that live inside of the coral tissue. When water temperatures heat up, however, the corals expel (grey/red) coral. The Gilbert Islands are a chain of islands in the Republic of Kiribati, an island of climate change on coral reefs? Simon leads annual field expeditions to the Gilbert Islands of Kiribati

  4. DHV water pumping optimization Simon van Mourik1

    E-Print Network [OSTI]

    Rottschäfer, Vivi

    Chapter 6 DHV water pumping optimization Simon van Mourik1 Joris Bierkens2 Hans Stigter1 Martijn for optimizing a drinking water network over a horizon of 48 hours, given variable water demands, energy prices and constraints on the pumping strategy and water levels in the reservoirs. Both the dynamic model and goal

  5. Rotary Pipeline Processors Simon Moore, Peter Robinson, Steve Wilcox

    E-Print Network [OSTI]

    Moore, Simon

    DRAFT Rotary Pipeline Processors Simon Moore, Peter Robinson, Steve Wilcox Computer Laboratory pipeline processor is a new architecture for su- perscalar computing. It is based on a simple and regular pipeline structure which can support several ALUs for effi- cient dispatching of multiple instructions

  6. Symplectic quantum mechanics and Chern-Simons gauge theory. I

    SciTech Connect (OSTI)

    Jeffrey, Lisa C.

    2013-05-15

    In this article we describe the relation between the Chern-Simons gauge theory partition function and the partition function defined using the symplectic action functional as the Lagrangian. We show that the partition functions obtained using these two Lagrangians agree, and we identify the semiclassical formula for the partition function defined using the symplectic action functional.

  7. LUNAR MINERALS James Papike, Lawrence Taylor, and Steven Simon

    E-Print Network [OSTI]

    Rathbun, Julie A.

    LUNAR MINERALS James Papike, Lawrence Taylor, and Steven Simon The lunar rocks described--make it easy to distinguish them from terrestrial rocks. However, the minerals that make up lunar rocks are (with a few notable exceptions) minerals that are also found on Earth. Both lunar and terrestrial rocks

  8. Simulations of Magnetic Shields for Spacecraft Simon G. Shepherd

    E-Print Network [OSTI]

    Shepherd, Simon

    magnetosphere around spacecraft: Propulsion and protection Inflating magnetic field can shield particlesSimulations of Magnetic Shields for Spacecraft Simon G. Shepherd Thayer School of Engineering Brian that controls magnetism will control the universe". -- Dick Tracy Patrick Magari and Darin Knaus Creare, Inc

  9. Generalized Chern-Simons action and maximally supersymmetric gauge theories

    E-Print Network [OSTI]

    M. V. Movshev; A. Schwarz

    2013-04-28

    We study observables and deformations of generalized Chern-Simons action and show how to apply these results to maximally supersymmetric gauge theories. We describe a construction of large class of deformations based on some results on the cohomology of super Lie algebras proved in the Appendix.

  10. Journal of the Geological Society, London, Vol. 162, 2005, pp. 939949. Printed in Great Britain. Evolution of damage zone geometry and intensity in porous sandstone

    E-Print Network [OSTI]

    . 939 Evolution of damage zone geometry and intensity in porous sandstone: insight gained from strain materials such as sandstone or limestone, fault-related damage zones form arrays of deformation bands, which-related damage zones within the brittly deformed Jurassic Wingate Sandstone exposed in the Laramide

  11. -Patch dynamics and local succession in a sandstone area with frequent disturbance -533 Journal of Vegetation Science 12: 533-544, 2001

    E-Print Network [OSTI]

    Herben, Tomas

    - Patch dynamics and local succession in a sandstone area with frequent disturbance - 533 Journal succession in a sandstone area with frequent disturbance Gutzerová, Nadzda1 & Herben, Tomás2* 1 Sv. Cecha 389@site.cas.cz Abstract. A system of sand talus cones in a small forested rocky sandstone area was investigated

  12. Strain-induced kinetics of intergrain defects as the mechanism of slow dynamics in the nonlinear resonant response of humid sandstone bars

    E-Print Network [OSTI]

    resonant response of humid sandstone bars Oleksiy O. Vakhnenko,1 Vyacheslav O. Vakhnenko,2 Thomas J of sandstone bars, namely, (i) hysteretic behavior of a resonance curve on both its upward and downward slopes strain. In order to reproduce the highly nonlinear elastic features of sandstone grained structure

  13. GeochimicaetCosmwhimicaAcia.1975.Vol.39.pp.1629to1645.PergamonPress.Printedin Great Bntain Diagenesis in Tertiary sandstones from Kettleman

    E-Print Network [OSTI]

    Schieber, Juergen

    Diagenesis in Tertiary sandstones from Kettleman North Dome. California-II. Interstitial solutions and the McAdams sandstones at Kettleman are essen- tially Na-Ca-Cl solutions with subsidiary SOL in the sandstones, the calculations suggest that the minerals are in stable equilibrium with the brines. By contrast

  14. GEOPHYSICALRESEARCHLETTERS, VOL. 20, NO. 5, PAGES391-394,MARCH 5, 1993 F_,LASC WAVE A'ITENUATiON AND VELOCITY OF BEREA SANDSTONE MEASURED

    E-Print Network [OSTI]

    'ITENUATiON AND VELOCITY OF BEREA SANDSTONE MEASURED IN THE FREQUENCY DOMAIN T. J. Shank!and1 Institutde.Usingmeasurementsinthefrequencydomainwe havemeasuredqualityfactorQandtraveltimesofdirectand side-reflectedelasticwavesin a 1.8mlongsampleofBerea sandstoneDVM. Possibletravelpathsinadditiontodirecttransmissioninclude sidewall reflectionsandsurfacewaves. 391 #12;392 Shanklandetal.:AttenuationandVelocityofSandstone

  15. Mass-production of CambroOrdovician quartz-rich sandstone as a consequence of chemical weathering of Pan-African terranes

    E-Print Network [OSTI]

    Stern, Robert J.

    Mass-production of Cambro­Ordovician quartz-rich sandstone as a consequence of chemical weathering­Pb geochronology of a representative section of Cambrian sandstone in southern Israel shows that these sediments indicates that, despite their significant mineralogical maturity, the voluminous quartz-rich sandstones

  16. An experimental study of the dilation factor in sandstone under anisotropic stress conditions Arpita Pal-Bathija and Mike Batzle, Colorado School of Mines

    E-Print Network [OSTI]

    An experimental study of the dilation factor in sandstone under anisotropic stress conditions on dila- tion factor. Two different sandstone samples with different porosities were used the effect of triaxial stress on the dilation factor in sandstone. DATA The experimental equipment consisted

  17. Journal of the Geological Society, London, Vol. 164, 2007, pp. 755769. Printed in Great Britain. Deformation bands in sandstone: a review

    E-Print Network [OSTI]

    Mair, Karen

    . 755 Deformation bands in sandstone: a review HAAKON FOSSEN1 , RICHARD A. SCHULTZ2 , ZOE K. SHIPTON3 porous sandstones and sediments, including Quaternary deposits, soft gravity slides and tectonically affected sandstones in hydrocarbon reservoirs and aquifers. They occur as various types of tabular

  18. Journal of the Geological Society, London, Vol. 164, 2007, pp. 115. Printed in Great Britain. 1 Deformation bands in sandstone: a review

    E-Print Network [OSTI]

    Deformation bands in sandstone: a review 2 HAAKON FOSSEN1 , RICHARD A. SCHULTZ2 , ZOE K. SHIPTON3 & KAREN MAIR porous 10 sandstones and sediments, including Quaternary deposits, soft gravity slides and tectonically affected 11 sandstones in hydrocarbon reservoirs and aquifers. They occur as various types of tabular

  19. Mt St Helens Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver, Pennsylvania:(CTI PFAN) | OpenMt St HelensMt St

  20. Phosphonic-Based HF Acid: Interactions With Clay Minerals And Flow In Sandstone Cores 

    E-Print Network [OSTI]

    Zhou, Lijun

    2015-05-13

    , phosphonic-based HF acid systems (HF and a phosphonic acid) have been used as an alternative to mud acid. However, very limited research has been performed to investigate the interactions of phosphonic-based acid systems with clay minerals in sandstone...

  1. Experimental study of shear and compaction band formation in berea sandstone 

    E-Print Network [OSTI]

    Herrin, Elizabeth Anne

    2009-05-15

    -traditional sample geometry to investigate band formation across the brittle-ductile transition. Five-cm diameter cylinders of Berea sandstone were machined with a circular (8.77 cm radius) notch to form a dog-bone sample geometry. In triaxial compression, the sample...

  2. An In-depth Investigation of an Aluminum Chloride Retarded Mud Acid System on Sandstone Reservoirs 

    E-Print Network [OSTI]

    Aneto, Nnenna

    2012-07-16

    is very detrimental to the sandstone core as calcium fluoride is precipitated and the retarded acid system is found to be compatible with iron(III) as an impurity. The regular acid (RMHF) dissolves considerably more silicon and produces more fines than...

  3. Transport of Organic Contaminants Mobilized from Coal through Sandstone Overlying a Geological Carbon Sequestration Reservoir

    SciTech Connect (OSTI)

    Zhong, Lirong; Cantrell, Kirk J.; Bacon, Diana H.; Shewell, Jesse L.

    2014-02-01

    Column experiments were conducted using a wetted sandstone rock installed in a tri-axial core holder to study the flow and transport of organic compounds mobilized by scCO2 under simulated geologic carbon storage (GCS) conditions. The sandstone rock was collected from a formation overlying a deep saline reservoir at a GCS demonstration site. Rock core effluent pressures were set at 0, 500, or 1000 psig and the core temperature was set at 20 or 50°C to simulate the transport to different subsurface depths. The concentrations of the organic compounds in the column effluent and their distribution within the sandstone core were monitored. Results indicate that the mobility though the core sample was much higher for BTEX compounds than for naphthalene. Retention of organic compounds from the vapor phase to the core appeared to be primarily controlled by partitioning from the vapor phase to the aqueous phase. Adsorption to the surfaces of the wetted sandstone was also significant for naphthalene. Reduced temperature and elevated pressure resulted in greater partitioning of the mobilized organic contaminants into the water phase.

  4. Mineral Sequestration of Carbon Dixoide in a Sandstone-Shale System

    SciTech Connect (OSTI)

    Xu, Tianfu; Apps, John A.; Pruess, Karsten

    2004-07-09

    A conceptual model of CO2 injection in bedded sandstone-shale sequences has been developed using hydrogeologic properties and mineral compositions commonly encountered in Gulf Coast sediments. Numerical simulations were performed with the reactive fluid flow and geochemical transport code TOUGHREACT to analyze mass transfer between sandstone and shale layers and CO2 immobilization through carbonate precipitation. Results indicate that most CO2 sequestration occurs in the sandstone. The major CO2 trapping minerals are dawsonite and ankerite. The CO2 mineral-trapping capacity after 100,000 years reaches about 90 kg per cubic meter of the medium. The CO2 trapping capacity depends on primary mineral composition. Precipitation of siderite and ankerite requires Fe+2 supplied mainly by chlorite and some by hematite dissolution and reduction. Precipitation of dawsonite requires Na+ provided by oligoclase dissolution. The initial abundance of chlorite and oligoclase therefore affects the CO2 mineral trapping capacity. The sequestration time required depends on the kinetic rate of mineral dissolution and precipitation. Dawsonite reaction kinetics is not well understood, and sensitivity regarding the precipitation rate was examined. The addition of CO2 as secondary carbonates results in decreased porosity. The leaching of chemical constituents from the interior of the shale causes slightly increased porosity. The limited information currently available for the mineralogy of natural high-pressure CO2 gas reservoirs is also generally consistent with our simulation. The ''numerical experiments'' give a detailed understanding of the dynamic evolution of a sandstone-shale geochemical system.

  5. Laboratory measurements of low-and high-frequency elastic moduli in Fontainebleau sandstone

    E-Print Network [OSTI]

    Fortin, Jérôme

    Laboratory measurements of low- and high-frequency elastic moduli in Fontainebleau sandstone-saturated sam- ples were much more compliant at low frequencies than at high frequencies. The measured bulk- quency dependent, the elastic behavior observed in the laboratory at "high-frequencies" (MHz) does not

  6. Optically continuous silcrete quartz cements of the St. Peter Sandstone: High precision oxygen isotope

    E-Print Network [OSTI]

    Meyers, Stephen R.

    . Peter Sandstone (in SW Wisconsin) constrains temperature and fluid sources during diagenesis. Quartz break-down reactions of materials such as of feldspars or glass, the weathering of a clean quartz­3832 #12;1. INTRODUCTION The compositions and temperatures of fluids that have passed through quartz

  7. INTEGRATED PERMEABILITY MODELING OF THE MORROW A SANDSTONE, HOVEY MORROW UNIT POSTLE FIELD, TEXAS COUNTY, OKLAHOMA

    E-Print Network [OSTI]

    of 6000 ft. The Reservoir Characterization Project (RCP) study area is within the Hovey Morrow Unit (HMU sweep efficiency. Postle Field is located in Texas County, Oklahoma. The oil reservoir produces from distributions to characterize the Morrow A sandstone produced a more reliable reservoir model to simulate CO2

  8. Z .Chemical Geology 152 1998 227256 The thermal and cementation histories of a sandstone petroleum

    E-Print Network [OSTI]

    reservoir, Elk Hills, California Part 1: 40 Arr39 Ar thermal history results Keith I. Mahon ) , T. Mark of a sandstone petroleum xreservoir, Elk Hills, California. Part 2: In situ oxygen and carbon isotopic results Science B.V. All rights reserved. Keywords: Elk Hills field; Kern County, California; Ar-40rAr-39; Thermal

  9. Systematic destruction of K-Feldspar in deeply buried rift and passive margin sandstones 

    E-Print Network [OSTI]

    Wilkinson, Mark; Milliken, Kitty; Haszeldine, Stuart

    2001-01-01

    Systematic patterns of detrital K-feldspar decline with increasing burial depth are revealed during deep burial (2.5-4.5km) of sandstones in diverse sedimentary basins from three rift and two passive margin setings in the North Sea and USA gulf...

  10. Probing the lexicon in evaluating commercial MT systems Martin Volk

    E-Print Network [OSTI]

    for self evaluation consisted of technical, linguistic and ergonomic issues. As part of the linguisticProbing the lexicon in evaluating commercial MT systems Martin Volk University of Zurich Department Abstract In the past the evaluation of machine trans- lation systems has focused on single sys- tem

  11. (Have we found the Holy Grail?) Panel at MT-Summit 2003

    E-Print Network [OSTI]

    Wu, Dekai

    (Have we found the Holy Grail?) Panel at MT-Summit 2003 #12;The HKUST Leading Question Translation? If not, is the Holy Grail just around the corner? Translation Are we just about done? #12;Dekai Wu, MT

  12. Depositional environment and reservoir morphology of Guadalupian Bell Canyon sandstones, Scott field, Ward and Reeves counties, Texas 

    E-Print Network [OSTI]

    Kashatus, Gerard Paul

    1986-01-01

    of the Delaware Basin, west Texas and southeast New Mexico, showing structure on top of the Bell Canyon sandstone and location of Scott field. Structure map on the top of the Ramsey Member, Scott field, Ward and Reeves counties, Texas Gaam1a-ray and sonic log... sandstones at Scott field. . . . . . . . . . . . . . . . . . 65 LIST OF TABLES Table 1 Stratigraphic column for the late Permian strata of the Delaware Basin, Texas. Page 2 Comparison of bedding type and thickness in the Bell Canyon sandstone at Scott...

  13. Enhancement of hidden symmetries and Chern-Simons couplings

    E-Print Network [OSTI]

    Marc Henneaux; Axel Kleinschmidt; Victor Lekeu

    2015-05-27

    We study the role of Chern--Simons couplings for the appearance of enhanced symmetries of Cremmer--Julia type in various theories. It is shown explicitly that for generic values of the Chern--Simons coupling there is only a parabolic Lie subgroup of symmetries after reduction to three space-time dimensions but that this parabolic Lie group gets enhanced to the full and larger Cremmer--Julia Lie group of hidden symmetries if the coupling takes a specific value. This is heralded by an enhanced isotropy group of the metric on the scalar manifold. Examples of this phenomenon are discussed as well as the relation to supersymmetry. Our results are also connected with rigidity theorems of Borel-like algebras.

  14. Chern-Simons-Schwinger model of confinement in $QCD$

    E-Print Network [OSTI]

    Antonio Aurilia; Patricio Gaete; Euro Spallucci

    2015-04-22

    It has been shown that the mechanism of formation of glue-bags in the strong coupling limit of Yang-Mills theory can be understood in terms of the dynamics of a higher-rank abelian gauge field, namely, the 3-form dual to the Chern-Simons topological current. Building on this result, we show that the field theoretical interpretation of the Chern-Simons term, as opposed to its topological interpretation, also leads to the analytic form of the confinement potential that arises in the large distance limit of $QCD$. In fact, for a $(3+1)$-dimensional generalization of the Schwinger model, we explicitly compute the interaction energy. This generalization is due to the presence of the topological gauge field $A_{\\mu\

  15. The Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug Simons

    E-Print Network [OSTI]

    The Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug Simons

  16. Symplectic quantum mechanics and Chern-Simons gauge theory. II. Mapping tori of tori

    SciTech Connect (OSTI)

    Jeffrey, Lisa C.

    2013-05-15

    We compute the semiclassical formulas for the partition functions obtained using two different Lagrangians: the Chern-Simons functional and the symplectic action functional.

  17. Chern-Simons Reduction and non-Abelian Fluid Mechanics

    E-Print Network [OSTI]

    R. Jackiw; V. P. Nair; So-Young Pi

    2000-07-17

    We propose a non-Abelian generalization of the Clebsch parameterization for a vector in three dimensions. The construction is based on a group-theoretical reduction of the Chern-Simons form on a symmetric space. The formalism is then used to give a canonical (symplectic) discussion of non-Abelian fluid mechanics, analogous to the way the Abelian Clebsch parameterization allows a canonical description of conventional fluid mechanics.

  18. Killip-Simon problem and Jacobi flow on GSMP matrices

    E-Print Network [OSTI]

    B. Eichinger; P. Yuditskii

    2014-12-04

    One of the first and therefore most important theorems in perturbation theory claims that for an arbitrary self-adjoint operator A there exists a perturbation B of Hilbert-Schmidt class with arbitrary small operator norm, which destroys completely the absolutely continuos (a.c.) spectrum of the initial operator A (von Neumann). However, if A is the discrete free 1-D Schr\\"odinger operator and B is an arbitrary Jacobi matrix (of Hilbert-Schmidt class) the a.c. spectrum remains perfectly the same, that is, the interval [-2,2]. Moreover, Killip and Simon described explicitly the spectral properties for such A+B. Jointly with Damanik they generalized this result to the case of perturbations of periodic Jacobi matrices in the non-degenerated case. Recall that the spectrum of a periodic Jacobi matrix is a system of intervals of a very specific nature. Christiansen, Simon and Zinchenko posed in a review dedicated to F. Gesztesy (2013) the following question: "is there an extension of the Damanik-Killip-Simon theorem to the general finite system of intervals case?" In this paper we solve this problem completely. Our method deals with the Jacobi flow on GSMP matrices. GSMP matrices are probably a new object in the spectral theory. They form a certain Generalization of matrices related to the Strong Moment Problem, the latter ones are a very close relative of Jacobi and CMV matrices. The Jacobi flow on them is also a probably new member of the rich family of integrable systems. Finally, related to Jacobi matrices of Killip-Simon class, analytic vector bundles and their curvature play a certain role in our construction and, at least on the level of ideology, this role is quite essential.

  19. Emergent geometry in N=6 Chern-Simons-matter theory

    E-Print Network [OSTI]

    Diego Trancanelli

    2009-05-13

    We investigate a strong coupling expansion of N=6 superconformal Chern-Simons theory obtained from the semiclassical analysis of low energy, effective degrees of freedom given by the eigenvalues of a certain matrix model. We show how the orbifolded sphere S^7/Z_k of the dual geometry emerges dynamically from the distribution of the eigenvalues. As a test of this approach we compute the energy of off-diagonal excitations, finding perfect agreement with the dispersion relation of giant magnons.

  20. Killip-Simon problem and Jacobi flow on GMP matrices

    E-Print Network [OSTI]

    Peter Yuditskii

    2015-05-05

    One of the first theorems in perturbation theory claims that for an arbitrary self-adjoint operator A there exists a perturbation B of Hilbert-Schmidt class, which destroys completely the absolutely continuous spectrum of A (von Neumann). However, if A is the discrete free 1-D Schr\\"odinger operator and B is a Jacobi matrix the a.c. spectrum remains perfectly the same. Moreover, Killip and Simon described explicitly the spectral properties for such A+B. Jointly with Damanik they generalized this result to the case of perturbations of periodic Jacobi matrices. Recall that the spectrum of a periodic Jacobi matrix is a system of intervals of a very specific nature. Christiansen, Simon and Zinchenko posed the following question: "is there an extension of the Damanik-Killip-Simon theorem to the general finite system of intervals case?" Here we solve this problem completely. Our method deals with the Jacobi flow on GMP matrices. GMP (an abbreviation for Generalized Moment Problem) matrices are probably a new object in the spectral theory (a very close relative of Jacobi and CMV matrices). The Jacobi flow on them is also a probably new member of the rich family of integrable systems. An ideology of analytic vector bundles plays an essential role in our construction.

  1. The Gemini Instrument Program D. A. Simons, F. C. Gillett, J. M. Oschmann, C. M. Mountain, R. Nolan

    E-Print Network [OSTI]

    The Gemini Instrument Program D. A. Simons, F. C. Gillett, J. M. Oschmann, C. M. Mountain, R. Nolan Instrument Program Douglas A. Simons, Fred Gillett, Jim Oschmann, Matt Mountain, Robert Nolan Gemini

  2. PETROGRAPHY AND PROVENANCE OF VOLCANICLASTIC SANDS AND SANDSTONES RECOVERED FROM THE WOODLARK RIFT BASIN AND TROBRIAND FOREARC BASIN, LEG 180 

    E-Print Network [OSTI]

    Sharp, Timothy R; Robertson, Alastair H F

    2002-01-01

    Modal analysis of middle Miocene to Pleistocene volcaniclastic sands and sandstones recovered from Sites 1108, 1109, 1118, 1112, 1115, 1116, and 1114 within the Woodlark Basin during Leg 180 of the Ocean Drilling Program ...

  3. Authigenic clay minerals in sandstones of the Delaware Mountain Group: Bell Canyon and Cherry Canyon Formations, Waha Field, West Texas 

    E-Print Network [OSTI]

    Walling, Suzette Denise

    1992-01-01

    AUTHIGENIC CLAY MINERALS IN SANDSTONES OF THE DELAWARE MOUNTAIN GROUP: BELL CANYON AND CHERRY CANYON FORMATIONS, WAHA FIELD, WEST TEXAS A Thesis by SUZETTE DENISE WALLING Submitted to the Office of Graduate Studies of Texas A&M University... in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE December 1992 Major Subject: Geology AUTHIGENIC CLAY MINERALS IN SANDSTONES OF THE DELAWARE MOUNTAIN GROUP: BELL CANYON AND CHERRY CANYON FORMATIONS, WAHA FIELD, WEST TEXAS...

  4. Origin of upper Bell Canyon Reservoir Sandstones (Guadalupian), El Mar and Paduca Fields, Southeast New Mexico and West Texas 

    E-Print Network [OSTI]

    Weinmeister, Marcus Paul

    1978-01-01

    and into the Delaware Basin. A turbidite origin is supported by the ordered sequence of sedimentary structures of the sandstones and stratigraphic evidence which shows that Upper Bell Canyon sedimentation occurred in a water depth of at least 1500 ft. Texture... units, Paduca field. 32 Frequency of bed divisions in Ramsey Sandstone cores. 43 ix LIST OF FIGURES Figure Page Regional map of Delaware Basin showing structure on top of Bell Canyon Formation and locations of Paduca and El Mar fields. North...

  5. Depositional environment and hydrodynamic flow in Guadalupian Cherry Canyon sandstone, West Ford and West Geraldine fields, Delaware Basin, Texas 

    E-Print Network [OSTI]

    Linn, Anne Marie

    1985-01-01

    DEPOSITIONAL ENVIRONMENT AND HYDRODYNAMIC FLOW IN GUADALUPIAN CHERRY CANYON SANDSTONE, WEST FORD AND WEST GERALDINE FIELDS, DELAWARE BASIN, TEXAS A Thesis by Anne Marie Linn Submitted to the Graduate College of Texas ARM Univer sity... in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August 1985 Major Sub)cot: Geology DEPOSITIONAL ENVIRONMENT AND HYDRODYNAMIC FLOW IN GUADALUPIAN CHERRY CANYON SANDSTONE, WEST FORD AND WEST GERALDINE FIELDS, DELAWARE BASIN...

  6. Diagenesis of Woodbine and Sub-Clarksville sandstones at the Kurten and Iola field areas, Brazos and Grimes Counties, Texas 

    E-Print Network [OSTI]

    Frossard, Michael Louis

    1982-01-01

    shale cleats which have been slightly deformed by compaction. These sand units are also separated by zones of horizontal, wavy shale laminae. Maximum thickness of the "D" sandstone at Hill field is 28 ft. (8. 5m) (Barton, 1982). Upper and lower...Diagenesis of Woodbine' and Sub-Clarksville Sandstones at the Kurten and Iola Field Areas, Brazos and Grimes Counties, Texas A Thesis by MICHAEL LOUIS FROSSARD Submitted to the Graduate College of Texas A&M University in partial fulfillment...

  7. Hydrogeologic characterization of the Hickory Sandstone Aquifer near Camp Air in northern Mason and southern McCulloch counties, Texas 

    E-Print Network [OSTI]

    Delaney, Cynthia Daphine

    1990-01-01

    HYDROGEOLOGIC CHARACTERIZATION OF THE HICKORY SANDSTONE AQUIFER NEAR CAMP AIR IN NORTHERN MASON AND SOUTHERN MCCULLOCH COUNTIES, TEXAS A Thesis by CYNTHIA DAPHINE DELANEY Submitted to the Office of Graduate Studies of Texas A&M University... in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE December 1990 Major Subject: Geology HYDROGEOLOGIC CHARACTERIZATION OF THE HICKORY SANDSTONE AQUIFER NEAR CAMP AIR IN NORTHERN MASON AND SOUTHERN MCCULLOCH COUNTIES, TEXAS A...

  8. Depositional Environments and Sequence Stratigraphy of the Lower Cretaceous Dakota Sandstone in the Ridgway Area, Southwestern Colorado

    E-Print Network [OSTI]

    Serradji, Hayet

    2008-01-30

    and Sequence Stratigraphy of the Lower Cretaceous Dakota Sandstone in the Ridgway Area, Southwestern Colorado By C2007 Hayet Serradji B.S., University of Science and Technology Houari Boumediane, Algeria, 2002 B. S., Algerian Petroleum Institute... for Hayet Serradji certifies that this is the approved version of the following thesis Depositional Environments and Sequence Stratigraphy of the Lower Cretaceous Dakota Sandstone in the Ridgway Area, Southwestern Colorado...

  9. Depositional environment of Upper Devonian gas producing sandstones, Westmoreland County, southwestern Pennsylvania 

    E-Print Network [OSTI]

    Work, Rebecca Miller

    1988-01-01

    I HURON SHALE 'I . ' FM. ':I , I' I. T. ELK GROUP I SHERR Figure 5 Upper Devonian units in the subsurface of southwestern Pennsylvania. Modified after Laughrey and Harper (1987). 12 The primary oil and gas producing sandstones... produced gas from the Devonian shale sequence for over 38 years before the first oil well was completed in 1859, the famous Drake discovery in Titusville, Pennsylvania (Piotrowski and Harper, 1979) . Figure 6 shows a southwest to northeast trend for oil...

  10. Depositional environment of Canyon (Cisco) sandstones, North Jameson field Mitchell County, Texas 

    E-Print Network [OSTI]

    Dally, David Jesse

    1983-01-01

    ). 22. Electric log cross section A-A' showing channel relationships of Canyon (Cisco) sandstones, Jameson (North) Strawn field. Location of section shown in Figure 21 23. Core analysis plot showing porosity, permeability, oil saturation and water... deposits are dominated by "CE" and "CDE" bedsets that form sequences 0. 1 to 5. 0 ft (0. 0$ to 1. 5 m) thick. Together, these three kinds of deposits form an interbedded sand and shale wedge approximately 150 ft (46 m) thick, thinning basinward. iv...

  11. Terry sandstone member of the Pierre Shale, Upper Cretaceous, Spindle field, Denver Basin, Colorado 

    E-Print Network [OSTI]

    Helsley, Robert James

    1985-01-01

    of the first oil produc- tion was discovered in 1901 from the Upper Cretaceous Terry and Hygiene members of the Pierre Shale. After that initial production, the Terry and Hygiene members did not again become important reser- voirs for some 70 years despite...TERRY SANDSTONE MEMBER OF THE PIERRE SHALE, UPPER CRETACEOUS, SPINDLE FIELD, DENVER BASIN, COLORADO A Thesis by ROBERT JAMES HELSLEY Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement...

  12. Depositional environment of Oligocene Hackberry sandstones, Hilde brandt Bayou area, Jefferson County, Texas 

    E-Print Network [OSTI]

    Powers, Brian Kennett

    1980-01-01

    interpreted as of turbidity-flow origin. The embayment 1s filled with a dominant shale section wh1ch contains microfauna believed to represent bathyal depths. , Cores retrieved from fields in Jefferson County, southeast Texas, were studied to examine... as arenites and later altered by diagenesis. Microfauna recovered from shale clasts within sandstone packages indicate deposition in an outer nerit1c or upper bathyal environment. Lower Hackberry isopach and net sand maps illustrate major, dip- trend1ng...

  13. Depositional environment and reservoir morphology of the Frio sandstones, Nine Mile Point Field, Aransas County, Texas 

    E-Print Network [OSTI]

    Powell, Raina Rae

    1976-01-01

    of Department (M August 1976 Depositional Environment and Reservoir Norphology of the Frio Sandstones, N1ne Nile Point Field, Aransas County~ Texas (August 1975) ~ Rains Rae Powell~ B, S? ~ Stephen F Austin State University Ch~ of Advisory Caamitteee Dr...), massive and laminated (AB) ~ and laminated only (B) divisions characterize the Frio, Bedsets are of'ten separated by middle-neritic, h1oturbated shales (E), and occasionally a rippled (C) and finely laminated (D) division are present A and AB bedsets...

  14. Geophysical Fault Mapping Using the Magnetic Method at Hickory Sandstone Aquifer, Llano Uplift, Texas 

    E-Print Network [OSTI]

    Pereira, Antonio Do Nascimento

    2013-04-05

    FAULT MAPPING USING THE MAGNETIC METHOD AT HICKORY SANDSTONE AQUIFER, LLANO UPLIFT, TEXAS A Thesis by ANT ONIO DO NASCIMENTO PEREIRA Submitted to the O ce of Graduate Studies of Texas A&M University in partial ful llment of the requirements... Magnetic eld or, Magnetic induction or, Magnetic eld density or, Magnetic ux density E Electric eld intensity H Magnetic eld intensity J Magnetizing eld, 0 Permeability of free space M Magnetic moment U Scalar potential v TABLE OF CONTENTS...

  15. Diagenesis of the Upper Devonian sandstones in Westmoreland County, southwestern Pennsylvania 

    E-Print Network [OSTI]

    Zverina, Walter Charles

    1989-01-01

    of diagenetic alterations with possible pore fluid composition and porosity evolution. 60 22 Lopatin burial history model for eastern Ohio. From Cole et al (1987). 65 23 Pressure gradient for the Mayfield and Latrobe fields. Pressures plot below fresh...-trending constructional channel turbidites deposited on a surface of low gradient. Laughery (1982) studied the Kane Sand, the base of the Bradford Group, of central-western Pennsylvania. The formation was interpreted as a distributary channel sandstone associated...

  16. Depositional environment and facies relationships of the Canyon sandstone, Val Verde Basin, Texas 

    E-Print Network [OSTI]

    Mitchell, Michael Harold

    1975-01-01

    (Wolfcamp) time, there was an acceleration in the rate of downwarping of the trough as indicated by over 14, 000 ft of Wolfca+ain sediments (Young, 1960). L. These thick Wolfcampian deposits consist largely of interbedded shale and sandstone. The shale... of the American Association of Petroleum Geologists Bulleti. n. concerning many details. The Val Verde Basin is an elongate, asymmetric trough that trends northwest-southeast in southwest Texas (Fig. 1). The basin is presently bounded by the Marathon fold belt...

  17. Oil recovery by carbon dioxide injection into consolidated and unconsolidated sandstone 

    E-Print Network [OSTI]

    Lin, Fwu-Jin Frank

    1975-01-01

    a displacement effic1ency approaching 100 percent. (3) Carbon Dioxide neither achieves direct miscible displacement at practical reservoir pressures, like LPG, nor depend upon the presence of light hydrocarbons in the reservoir oil. A f1eld... strong function of pore size dis- tribution, probably contributed a great effect on the oil displacement effic1enc1es between the consolidated sandstone core and the unconsolidated sand pack. 4. No significant over-riding effect of carbon dioxide...

  18. Strength and failure characteristics of sandstones under moderate pore and confining pressures 

    E-Print Network [OSTI]

    Neathery, Orphie

    1965-01-01

    PROCEDURE 31 Selection and Preparation of Samples 31 Procedure for Triaxial Tests 32 Physical Property Determination 33 RESULTS 36 Strength and Failure Characteristics 36 Influence of Physical Properties on Strength Characteristics 45 C ON C L US IO... submerged in the oil until the time of their testing. The remaining unsaturated plugs from each sandstone sample were kept for porosity, permeability, sonic velocity and capillary pressure determinations. 32 Procedure for Triaxial Tests In the triaxial...

  19. Frictional properties between fine grained limestone, dolomite and sandstone along precut surfaces 

    E-Print Network [OSTI]

    Iwasaki, Takeshi

    1970-01-01

    characteristic parallel lines upon its surface in the direction of slid- ing. If the two materials are the same, both surfaces flow equally, and mutual adhesion and welding occur at the points of contact. In the latter case, frictional work is required... FRICTIONAL PROPERTIES BETNEEN FINE GRAINED I, IMESTONE, DOLOMI"'E AND SANDSTONE ALONG PRECUT SURFACFS A Thesis TAKESHI INASAKI Submitted to the Graduate College of Texas MN University in partial fulfillment of the requirements for the degree...

  20. Aux Vases Sandstone diagenesis: Implications for hydrocarbon recovery from southern Illinois reservoirs

    SciTech Connect (OSTI)

    Seyler, B.D.; Beaty, D.S.; Huff, B.G. (Illinois State Geological Survey, Champaign (United States))

    1991-03-01

    The Aux Vases Sandstone (Mississippian) is a problematic yet productive reservoir in the Illinois basin. The Aux Vases Formation was deposited in a mixed siliciclastic-carbonate offshore environment. Hydrocarbon reservoirs are dominantly elongate sandstone bodies interpreted as subtidal facies within a prograding tidally influenced deposystem. Oil saturated zones, in most cases, are composed of fine-grained, cross-bedded, friable, feldspathic quartz sandstone. Resistivity logs, even from productive wells, are typically characterized by unusually low resistivities (2-4 ohms) that lead to high calculated water saturations. X-ray diffraction, SEM/EDS, and thin section studies were used to analyze diagenetic processes that may affect hydrocarbon production in several Aux Vases reservoirs. Diagenetic processes common to the field studied include: (1) early calcite cementation occluding primary porosity and inhibiting compaction, (2) dissolution of feldspar grains to form authigenic clay, (3) dissolution of early calcite cement, (4) diagenesis of detrital clay minerals into new authigenic clay minerals, and (5) multiple stages of quartz overgrowths that reduce porosity. Commonly used drilling and completion practices may adversely affect reservoir quality by reacting with diagenetic products. Loosening of the fine mineral fraction that causes migration of fines and swelling of expandable clay minerals are examples of this type of damage. Knowledge of reservoir mineralogy and diagenesis may influence drilling and completion practices and affect selection of secondary and tertiary recovery methods.

  1. Geothermal energy resource investigations at Mt. Spurr, Alaska

    SciTech Connect (OSTI)

    Turner, D.L.; Wescott, E.M. (eds.)

    1986-12-01

    Spurr volcano is a composite Quaternary cone of largely andesitic composition located on the west side of Cook Inlet about 80 miles west of Anchorage and about 40 miles from the Beluga electrical transmission line. Geologic mapping (Plate 1-1) shows that the present summit depression was produced by a Mt. St. Helens-type sector collapse, rather than by a caldera collapse. Geochronologic and previous tephrachronologic studies show that there has been an active magmatic system at Spurr volcano during the late Pleistocene-to-Holocene time interval that is of critical interest for geothermal energy resource assessment. Major effort was devoted to geochemical and geophysical surveys of the accessible area south of Mt. Spurr, in addition to geologic mapping and geochronologic studies. Many coincident mercury and helium anomalies were found, suggesting the presence of geothermal systems at depth. Extremely large electrical self-potential anomalies were also found, together with extensive zones of low resistivity discovered by our controlled-source audiomagnetotelluric survey. The juxtaposition of all of these different types of anomalies at certain areas on the south slope of Crater Peak indicates the presence of a geothermal system which should be accessible by drilling to about 2000 ft depth. It is also evident that there is a strong volcanic hazard to be evaluated in considering any development on the south side of Mt. Spurr. This hazardous situation may require angle drilling of production wells from safer areas and placement of power generation facilities at a considerable distance from hazardous areas.

  2. CHERN-SIMONS CLASSES FOR A SUPERCONNECTION JAYA NN IYER AND UMA N IYER

    E-Print Network [OSTI]

    Iyer, Jaya N,

    CHERN-SIMONS CLASSES FOR A SUPERCONNECTION JAYA NN IYER AND UMA N IYER Abstract. In this note we define the Chern-Simons classes of a flat superconnection, D + L, on a complex Z/2Z-graded vector bundle looked into the case of defining the Chern character of a superconnection D + L on a Z/2Z-graded complex

  3. Uniqueness of stable Meissner state solutions of the Chern-Simons-Higgs energy

    E-Print Network [OSTI]

    Spirn, Daniel

    Uniqueness of stable Meissner state solutions of the Chern-Simons-Higgs energy Daniel Spirn Ginzburg- Landau energy. In [3] the authors show uniqueness of the Meissner solution for small and hex C of the renormalized energy. We follow the approach of [9] to study Meissner solutions of the Chern- Simons

  4. RESERVOIR CHARACTERIZATION OF UPPER DEVONIAN GORDON SANDSTONE, JACKSONBURG STRINGTOWN OIL FIELD, NORTHWESTERN WEST VIRGINIA

    SciTech Connect (OSTI)

    S. Ameri; K. Aminian; K.L. Avary; H.I. Bilgesu; M.E. Hohn; R.R. McDowell; D.L. Matchen

    2001-07-01

    The Jacksonburg-Stringtown oil field contained an estimated 88,500,000 barrels of oil in place, of which approximately 20,000,000 barrels were produced during primary recovery operations. A gas injection project, initiated in 1934, and a pilot waterflood, begun in 1981, yielded additional production from limited portions of the field. The pilot was successful enough to warrant development of a full-scale waterflood in 1990, involving approximately 8,900 acres in three units, with a target of 1,500 barrels of oil per acre recovery. Historical patterns of drilling and development within the field suggests that the Gordon reservoir is heterogeneous, and that detailed reservoir characterization is necessary for understanding well performance and addressing problems observed by the operators. The purpose of this work is to establish relationships among permeability, geophysical and other data by integrating geologic, geophysical and engineering data into an interdisciplinary quantification of reservoir heterogeneity as it relates to production. Conventional stratigraphic correlation and core description shows that the Gordon sandstone is composed of three parasequences, formed along the Late Devonian shoreline of the Appalachian Basin. The parasequences comprise five lithofacies, of which one includes reservoir sandstones. Pay sandstones were found to have permeabilities in core ranging from 10 to 200 mD, whereas non-pay sandstones have permeabilities ranging from below the level of instrumental detection to 5 mD; Conglomeratic zones could take on the permeability characteristics of enclosing materials, or could exhibit extremely low values in pay sandstone and high values in non-pay or low permeability pay sandstone. Four electrofacies based on a linear combination of density and scaled gamma ray best matched correlations made independently based on visual comparison of geophysical logs. Electrofacies 4 with relatively high permeability (mean value > 45 mD) was determined to be equivalent to the pay sandstone within the Gordon reservoir. Three-dimensional models of the electrofacies in the pilot waterflood showed that electrofacies 4 is present throughout this area, and the other electrofacies are more disconnected. A three-layer, back-propagation artificial neural network with three slabs in the middle layer can be used to predict permeability and porosity from gamma ray and bulk density logs, the first and the second derivatives of the log data with respect to depth, well location, and log baselines. Two flow units were defined based on the stratigraphic model and geophysical logs. A three-dimensional reservoir model including the flow units, values of permeability calculated through the artificial neural network and injection pressure-rate information were then used as inputs for a reservoir simulator to predict oil production performance for the center producers in the pilot area. This description of the reservoir provided significantly better simulation results than earlier results obtained using simple reservoir models. Bulk density and gamma ray logs were used to identify flow units throughout the field. As predicted by the stratigraphic analysis, one of the flow units crosses stratigraphic units in the reservoir. A neural network was used to predict permeability values for each flow unit in producer and injection wells. The reservoir simulator was utilized to predict the performance of two flood patterns located to the north of the pilot area. Considering the simple model utilized for simulation, the results are in very good agreement with the field history.

  5. NREL: Photovoltaics Research - John Simon, Ph.D.

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

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  6. Mt St Helens Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland: EnergyInformationOliver, Pennsylvania:(CTI PFAN) | OpenMt St Helens

  7. MT Energie GmbH Co KG | Open Energy Information

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  8. RAPID/Roadmap/12-MT-a | Open Energy Information

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  9. RAPID/Roadmap/15-MT-a | Open Energy Information

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  10. RAPID/Roadmap/17-MT-c | Open Energy Information

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  11. RAPID/Roadmap/18-MT-b | Open Energy Information

    Open Energy Info (EERE)

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  12. RAPID/Roadmap/4-MT-a | Open Energy Information

    Open Energy Info (EERE)

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  13. RAPID/Roadmap/6-MT-d | Open Energy Information

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  14. RAPID/Roadmap/6-MT-f | Open Energy Information

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  15. City of Mt Pleasant, Utah (Utility Company) | Open Energy Information

    Open Energy Info (EERE)

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  16. Mt Princeton Hot Springs Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

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  17. RAPID/Roadmap/14-MT-b | Open Energy Information

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  18. RAPID/Roadmap/14-MT-c | Open Energy Information

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  19. RAPID/Roadmap/14-MT-d | Open Energy Information

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  20. RAPID/Roadmap/17-MT-d | Open Energy Information

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  1. RAPID/Roadmap/20-MT-a | Open Energy Information

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  2. RAPID/Roadmap/8-MT-a | Open Energy Information

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  3. Micro-Earthquake At Marysville Mt Area (Blackwell) | Open Energy

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    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsource HistoryScenariosMarysville MtMedicalInformation 2-2005)1995) |Information

  4. HERO Ski Trip to Mt. Hood Meadows February

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverse (Journalvivo Low-Dose Lowď‚— WeUpdateScienceForTrip to Mt. Hood Meadows

  5. Depositional environment and reservoir morphology of Canyon sandstones, Central Midland Basin, Texas 

    E-Print Network [OSTI]

    Jones, James Winston

    1980-01-01

    study. Ned Hale of Union Texas Petroleum provided many in depth d1scussions of Rock Pen and his ideas and humor were greatly appreciated. I would like to thank Ph11 Shoemaker and Marcus Weinmeister of Houston Oil and Mineral for providing peer..." sandstones, Union Texas Petroleum Sugg 4-1 46 21. Idealized depositional model indicating facies and bedset associations on turbidite fan (after Haner, 1971). 51 LIST OF FIGURES (continued) FIGURE PAGE 22. Diagrammatic cross-sect1onal views of the three...

  6. Environment of deposition of the Yowlumne sandstone: internal morphology and rock properties, Kern County, California 

    E-Print Network [OSTI]

    Royo, Gilberto Rafael

    1986-01-01

    +22X , 33X Ip )p. I AE IS'CIp- ~ 25X ~ 47 @7 * 12 + TIIN, R22W 4 DRY HOLE W INJECTION SHUT IN 2 + ABD. WELL I + DRY HOLE WITH OIL SHOW II PLIOCENE WELL ~ 68 888 ~ 61X 453X 81 73 15 0 3000 ft 88 X ~ 61 X ~ 22x 0 I 5 COVE RY ~81- H... nature of the reservoir, Nostly massive "A" turbidite units (lighter color), separated by thin "E" shales (darker color). Notice oil staining in the massive sandstone. 011 staining is more noticeable in the upper Yowlumne 11, 453 ft (3, 493 m) to 11...

  7. Depositional environment of upper cretaceous Lewis sandstones, Sand Wash Basin, Colorado 

    E-Print Network [OSTI]

    Reinarts, Mary Susan

    1981-01-01

    -28 sandstones ranged from 8. 8%%u to 25. 3% and averaged 22. 5L. Permeability values ranged from 0. 15 to 14. 0 md and averaged 5. 5 md. Permeability, porosity, oil saturation and water saturation variation with depth were plotted for both cores (Figs. 10... of the three types of turbidite channels. After Berg (1978) 44 47 49 50 LIST OF FIGURES - Continued Figure Page lg Idealized depositional model for turbi dite constructional channels. After Berg (1978) 51 20 21 22 23 24 25 26 Regional...

  8. Depositional environment of Upper Cretaceous deep Tuscaloosa Sandstones, Profit Island field, east Baton Rouge Parish, Louisiana 

    E-Print Network [OSTI]

    Roth, Susan Viola

    1981-01-01

    22 f t (6. 7 m) to log. High oil saturation due to oil-base drilling mud. 66 28 Porosity versus matrix and cement for the Trans Match 1, Trans Match B-l, and Bourgeois 1 wells 68 29 Permeability versus matrix and cement for the Trans Match 1... in thickness from 12 ft to 17 ft (4 m to 5 m). Finally, thin-bedded, distinctly parallel-laminated and ripple-laminated sandstones represent overbank deposits which range in thickness from 4 ft to 9 ft (1 m to 3 m) ~ Black marine shales with thinly...

  9. Depositional environment of upper Wilcox sandstones, Northeast Thompsonville field, Jim Hogg and Webb Counties, Texas 

    E-Print Network [OSTI]

    Tedford, Fredrick John

    1977-01-01

    to 200 ft thick at depths of 9, 390 to 13, 700 ft. The sandstones occur in a rapidly thickening section of black marine shale and are located some 20 mi downdip from upper Wilcox rocks that have been interpreted as a marine shelf facies. Cores from.... Funds were provided by General Crude Oil Company in the form of a fellowship grant. Mr. Dick Moore of General Crude supplied elec- tric logs and provided me with several valuable suggestions. Cores and core analyses were provided by Shell Oil Company...

  10. A study of uranium distribution in an upper Jackson lignite-sandstone ore body, South Texas 

    E-Print Network [OSTI]

    Chatham, James Randall

    1979-01-01

    mentary uranium ore depos- its. Dickinson and Duval (1977) 11st these major ore controls as follows: I) a source rock; 2) a leaching mechanism; 3) a transporting medium; 4) a host rock; 5) a reductant; and 6) preservation of the deposit. A su1table...A STUDY OF URANIUM DISTRIBUTION IN AN UPPER JACKSON LIGNITE-SANDSTONE ORE BODY, SOUTH TEXAS A Thesis James Randall Chatham Subnitted to the Graduate College of Texas A8M University in Partial fulfillment of the requirement for the degree...

  11. Characterization of a sandstone reservoir using seismic methods: Yowlumne Field, Kern County, California 

    E-Print Network [OSTI]

    Proust, Rodrigo Diez

    1988-01-01

    shale, and 2) the high V;-sones identifled for regions outside these boundaries may contain reservoir-quality rocks. To My Parents ACKNOWLEDGMENTS I wish to express my gratitude to Dr. Anthony Gangi. chairman of my com- mittee, for discussing... ft/s per ft (0. 464 m/s per m) to a maximum depth of 13, 500 ft (4114. 8 m). Rapid lateral variations in lithology prevented him from identifying shales or sandstones using velocities. The variation of velocity with respect to depth was considered...

  12. Properties of Cotton Valley sandstone reservoirs (Upper Jurassic), Terryville Field, Lincoln Parish, Louisiana 

    E-Print Network [OSTI]

    McBride, Karen 'Cele

    1982-01-01

    in Bernard's s1mple barrier model. It is characterized by large pebbles and/or transported shells occur ing in either a limestone or a sandstone. Graded bedd1ng is sometimes seen, but not in all cases. The occurrence of these large grains indicates a h1gh... alter the orientation of ridges (Cur r ay et al, 1969). The pebbles in- dicate a nearby source and transport by high flow regime, as do the large shell fragments. These zones may be the result of tidal chan- nels transecting the ridges...

  13. Depositional environment and hydrodynamic flow in Lower Cretaceous J Sandstone, Lonetree field, Denver basin, Colorado 

    E-Print Network [OSTI]

    Bicknell, James Scott

    1985-01-01

    -plain channel sand- stone; and the lower J-3 interval, a prodelta deposit. Production at Lonetree field is from the more permeable J-2 interval. Porosities in the J-2 channel sandstones average 15%, while permeabilities range from 20-75 md. Average detrital... direction of flow is to the northeast with potentiometric gradients ranging from 16 ft/mi (3 m/km) to over 200 ft/mi (38 m/km), Local variations in flow direction to the northwest help trap 75K of the oil at Lonetree field. The total calculated oil...

  14. Depositional environment of the Bartlesville sandstone, La Harpe field, Allen County, Kansas 

    E-Print Network [OSTI]

    Schumacher, Madelyn

    1976-01-01

    - stone, an informal name for the subsur face Bluejacl et Formation, is located ir the iiiiddle Cherokee Group, It is Formation C ener al Litho 1 ogy 0 C al Q t3 0 8 CJ Fxcello Iwulky Lagonda Be vier Verdigris Croweburg Fleming R o bins... thick, of tan rippled sandstone with an overlying bioturbated 15 14 10 10 10 10 1 A 203 207 144 91 202 MB4 g22 (0 09 204 201 T25S 153 81 2 3 212 191 201 AS82 ~ ~ ~ ~ 0RS0o-e 0191 8 21 28 22 27 23 26 212 1 Mile 124 R19E...

  15. Getting Our Feet Wet: Water Management at Mt. Laguna in Cleveland National Forest

    E-Print Network [OSTI]

    Mumby, William Cade

    2013-01-01

    Strategies for Rural Communities. ” National Conference onallocation facing the rural community of Mt. Laguna? (EquityStrategies for Rural Communities. ” National Conference on

  16. DC Resistivity Survey (Dipole-Dipole Array) At Mt Princeton Hot...

    Open Energy Info (EERE)

    1971) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: DC Resistivity Survey (Dipole-Dipole Array) At Mt Princeton Hot Springs Geothermal Area...

  17. Characterization and fluid flow simulation of naturally fractured Frontier sandstone, Green River Basin, Wyoming

    SciTech Connect (OSTI)

    Harstad, H. [New Mexico Tech, Socorro, NM (United States); Teufel, L.W.; Lorenz, J.C.; Brown, S.R. [Sandia National Labs., Albuquerque, NM (United States). Geomechanics Dept.

    1996-08-01

    Significant gas reserves are present in low-permeability sandstones of the Frontier Formation in the greater Green River Basin, Wyoming. Successful exploitation of these reservoirs requires an understanding of the characteristics and fluid-flow response of the regional natural fracture system that controls reservoir productivity. Fracture characteristics were obtained from outcrop studies of Frontier sandstones at locations in the basin. The fracture data were combined with matrix permeability data to compute an anisotropic horizontal permeability tensor (magnitude and direction) corresponding to an equivalent reservoir system in the subsurface using a computational model developed by Oda (1985). This analysis shows that the maximum and minimum horizontal permeability and flow capacity are controlled by fracture intensity and decrease with increasing bed thickness. However, storage capacity is controlled by matrix porosity and increases linearly with increasing bed thickness. The relationship between bed thickness and the calculated fluid-flow properties was used in a reservoir simulation study of vertical, hydraulically-fractured and horizontal wells and horizontal wells of different lengths in analogous naturally fractured gas reservoirs. The simulation results show that flow capacity dominates early time production, while storage capacity dominates pressure support over time for vertical wells. For horizontal wells drilled perpendicular to the maximum permeability direction a high target production rate can be maintained over a longer time and have higher cumulative production than vertical wells. Longer horizontal wells are required for the same cumulative production with decreasing bed thickness.

  18. Reservoir heterogeneity in carboniferous sandstone of the Black Warrior basin. Final report

    SciTech Connect (OSTI)

    Kugler, R.L.; Pashin, J.C.; Carroll, R.E.; Irvin, G.D.; Moore, H.E.

    1994-06-01

    Although oil production in the Black Warrior basin of Alabama is declining, additional oil may be produced through improved recovery strategies, such as waterflooding, chemical injection, strategic well placement, and infill drilling. High-quality characterization of reservoirs in the Black Warrior basin is necessary to utilize advanced technology to recover additional oil and to avoid premature abandonment of fields. This report documents controls on the distribution and producibility of oil from heterogeneous Carboniferous reservoirs in the Black Warrior basin of Alabama. The first part of the report summarizes the structural and depositional evolution of the Black Warrior basin and establishes the geochemical characteristics of hydrocarbon source rocks and oil in the basin. This second part characterizes facies heterogeneity and petrologic and petrophysical properties of Carter and Millerella sandstone reservoirs. This is followed by a summary of oil production in the Black Warrior basin and an evaluation of seven improved-recovery projects in Alabama. In the final part, controls on the producibility of oil from sandstone reservoirs are discussed in terms of a scale-dependent heterogeneity classification.

  19. Reservoir heterogeneity in Carboniferous sandstone of the Black Warrior basin. Final report

    SciTech Connect (OSTI)

    Kugler, R.L.; Pashin, J.C.; Carroll, R.E.; Irvin, G.D.; Moore, H.E.

    1994-04-01

    Although oil production in the Black Warrior basin of Alabama is declining, additional oil may be produced through improved recovery strategies, such as waterflooding, chemical injection, strategic well placement, and infill drilling. High-quality characterization of reservoirs in the Black Warrior basin is necessary to utilize advanced technology to recover additional oil and to avoid premature abandonment of fields. This report documents controls on the distribution and producibility of oil from heterogeneous Carboniferous reservoirs in the Black Warrior basin of Alabama. The first part of the report summarizes the structural and depositional evolution of the Black Warrior basin and establishes the geochemical characteristics of hydrocarbon source rocks and oil in the basin. This second part characterizes facies heterogeneity and petrologic and petrophysical properties of Carter and Millerella sandstone reservoirs. This is followed by a summary of oil production in the Black Warrior basin and an evaluation of seven improved-recovery projects in Alabama. In the final part, controls on the producibility of oil from sandstone reservoirs are discussed in terms of a scale-dependent heterogeneity classification.

  20. Three-dimensional analysis of eolian systems in Jurassic Wingate sandstone

    SciTech Connect (OSTI)

    Nation, M.J.; Blakey, R.C.

    1989-03-01

    Regional bounding surfaces in ancient eolian sequences aid in establishing lateral profiles not previously obtainable using standard stratigraphic methods. Correlation of detailed measured sections permits three-dimensional analysis of erg dynamics in the Jurassic Wingate Sandstone on the Colorado Plateau. Four periods of erg development marked by contrasting styles of eolian architecture are documented in the Salt Anticline region (in ascending stratigraphic order): (1) discontinuous sand sheets, isolated dunes, and aqueous environments; (2) large compound dunes with decreasing amounts of dune margin material; (3) compound dunes and draas alternating with locally thick sandsheet deposits; and (4) widespread dunes and draas prior to erosion by Kayenta fluvial systems. Regional bounding surface characteristics reflect different mechanisms for erg stabilization, including deflation to the water table, climate change, and negative net sand budget. Lateral reconstruction and correlation of erg sequences indicate significant intrabasinal paleogeographic and tectonic controls on eolian systems. Localities removed from the Salt Anticline region contain much larger compound draa deposits and lack extensive accumulations of sand-sheet material. Regional comparison of these characteristics suggests that the salt uplifts modified eolian processes within the Wingate depositional basin. Existence of additional geographic variations not associated with salt tectonism is indicated by local accumulations of noneolian deposits in northeastern Arizona. The use of regional bounding surfaces to construct lateral profiles is a powerful method to establish three-dimensional models of eolian systems. Analysis of erg dynamics in other ancient eolian formations is possible utilizing the criteria documented in the Wingate Sandstone.

  1. Environment of deposition and reservoir properties of Teapot sandstones (Upper Cretaceous), Well Draw field, Converse County, Wyoming 

    E-Print Network [OSTI]

    Sullivan, John Joseph

    1982-01-01

    fossils, and reservoir morphology. Three distinct sandstone facies produce oil and gas at Well Draw field. The main producing zone consists of thicker, channel turbidites. The lower two zones are thinly interbedded with shale and have limited reservoir... to oil ratio was 900 cu ft/bbl (Isbell et al, , 1976). Temperatures within Teapot sandstones yield an average geothermal gradient of 1, 21'F/100 ft (22. 0'C/km). More than 350 wells were drilled on 160 acre spacing in the Well Draw area...

  2. Depositional environment and reservoir properties of the Upper Wilcon Group sandstones, Loma Vieja field, Zapata County, Texas 

    E-Print Network [OSTI]

    Collins, Douglas Turner

    1993-01-01

    Eocene strata. Depths are determined using a geothermal gradient of 2. 15oF/100 ft (3. 92oC/100 m) . . 116 LIST OF FIGURES Figure Page Regional map of the Texas Gulf Coast showing the Wilcox Fault Zone and several important Wilcox oil and gas... in substantial secondary porosity, especially in the "R" sandstone. Higher gas saturations in the "R" sandstone may have inhibited precipitation of silica cements. Fluid pressure gradients range from 0. 465 psi/ft (10. 5 kPa/m) at the top of geopressures...

  3. Interpretation of Pennsylvania Bartlesville sandstone in southeastern Kansas and northeastern Oklahoma from continuous dipmeter and gamma-ray logs 

    E-Print Network [OSTI]

    Kranz, Dwight Stanley

    1981-01-01

    represents the dune phase of sediment transport in the uppermost lower-flow regime. The massive, fine-grained sandstone unit (3) with rare low-angle cross laminations represents a transition from uppermost to lowermost lower-flow regime. The ripple...-laminated sandstones. The quartz content decreases upward from 47 to 37" while the matrix content increases upward from 35 to 47K within each compo- site bedset. These changes indicate deposition from decreasino flow regime currents. Isopach maps of the point...

  4. On the unconditional uniqueness of solutions to the infinite radial Chern-Simons-Schrödinger hierarchy

    E-Print Network [OSTI]

    Xuwen Chen; Paul Smith

    2014-09-11

    In this article we establish the unconditional uniqueness of solutions to an Infinite Radial Chern-Simons-Schr\\"odinger (IRCSS) hierarchy in two spatial dimensions. The IRCSS hierarchy is a system of infinitely many coupled PDEs that describes the limiting Chern-Simons-Schr\\"odinger dynamics of infinitely many interacting anyons. The anyons are two dimensional objects which interact through a self-generated field. Due to the interactions with the self-generated field, the IRCSS hierarchy is a system of nonlinear PDEs, which distinguishes it from the linear infinite hierarchies studied previously. Factorized solutions of the IRCSS hierarchy are determined by solutions of the Chern-Simons-Schr\\"odinger system. Our result therefore implies the unconditional uniqueness of solutions to the radial Chern-Simons-Schr\\"odinger system as well.

  5. Honorary Fellow Mr Simon Hui Hing-tak Citation written and delivered by Professor Dou Wenyu

    E-Print Network [OSTI]

    Po, Lai-Man

    -Chancellor, Chairman of the Council and President: Mr Simon Hui Hing-tak, Class of 1991, is the founder, Chairman. specialises in the direct sale of small appliances, beauty and fitness #12;7 equipment as well as lifestyle

  6. Mark Jaccard is a professor in the School of Resource and Environmental Management at Simon Fraser

    E-Print Network [OSTI]

    57 Mark Jaccard is a professor in the School of Resource and Environmental Management at Simon trajectories are rarely in sync. Second, environmental harm from fossil fuels (air pollution, greenhouse gases

  7. The Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug Simons

    E-Print Network [OSTI]

    The Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug; The Gemini Observatory Science Operations Plan Phil Puxley, Fred Gillett, Matt Mountain and Doug Simons

  8. The effects of Chern-Simons gravity on bodies orbiting the Earth

    E-Print Network [OSTI]

    Tristan L. Smith; Adrienne L. Erickcek; Robert R. Caldwell; Marc Kamionkowski

    2008-01-08

    One of the possible low-energy consequences of string theory is the addition of a Chern-Simons term to the standard Einstein-Hilbert action of general relativity. It can be argued that the quintessence field should couple to this Chern-Simons term, and if so, it drives in the linearized theory a parity-violating interaction between the gravito-electric and gravitomagnetic fields. In this paper, the linearized spacetime for Chern-Simons gravity around a massive spinning body is found to include new modifications to the gravitomagnetic field that have not appeared in previous work. The orbits of test bodies and the precession of gyroscopes in this spacetime are calculated, leading to new constraints on the Chern-Simons parameter space due to current satellite experiments.

  9. Simon Fraser University | Sustainability Communications Designer | August 13, 2014 Sustainability Communications Coordinator

    E-Print Network [OSTI]

    Kavanagh, Karen L.

    Simon Fraser University | Sustainability Communications Designer | August 13, 2014 Sustainability Communications Coordinator JOB DESCRIPTION Position Title: Sustainability Communications Coordinator Position, 2014-March, 2016 (extension possible) Reports to: Director, SFU Sustainability Office Posting Date

  10. Herz-, Thorax-, Transplantations-und Gefchirurgie PD Dr. A. R. Simon Hannover Thoracic Transplant Program

    E-Print Network [OSTI]

    Manstein, Dietmar J.

    /Ventilations ModiPerfsuions/Ventilations Modi · Maintenance Mode ­ Kontinuierliche pulsatile Perfusion mit warmem Transplant Program PD Dr. A. R. Simon 8 MAINTENANCE MODEMAINTENANCE MODE Ventilation im Equilibrium Gas mix Austauschmodul Pump flow 1.5 L/min Beatmung mi

  11. Review: Continuous hydrolysis and fermentation for cellulosic ethanol production Simone Brethauer, Charles E. Wyman *

    E-Print Network [OSTI]

    California at Riverside, University of

    Review: Continuous hydrolysis and fermentation for cellulosic ethanol production Simone Brethauer for these benefits to be realized. Continuous hydrolysis and fermentation processes offer important potential advantages in reducing costs, but little has been done on continuous processing of cellulosic biomass

  12. K\\"ahlerian Effective Potentials for Chern-Simons-Matter Theories

    E-Print Network [OSTI]

    Queiruga, J M; Faizal, Mir

    2015-01-01

    In this paper, we will calculate the effective potential for a theory of multiple M2-branes. As the theory of multiple M2-branes can be described by a Chern-Simons-matter theory, this will be done by calculating the K\\"ahlerian effective potential for a Chern-Simons-matter theory. This calculation will be performed in $\\mathcal{N} = 1$ superspace formalism. We will initially study an Abelian Chern-Simons-matter theory, and then generalize those results to the full non-Abelian Chern-Simons-matter theory. We will obtain explicit expressions for the superpropagators for this theory. These superpropagators will be used to calculate the one-loop effective potential.

  13. Emergent Semantics Through Interaction in Image Databases Simone Santini, Amarnath Gupta and Ramesh Jain

    E-Print Network [OSTI]

    Gupta, Amarnath

    Emergent Semantics Through Interaction in Image Databases Simone Santini, Amarnath Gupta and Ramesh Laboratory, University of California, San Diego, {ssantini,jain}@ece.ucsd.edu. Amarnath Gupta is with the San

  14. A note on the existence of soliton solutions in the Chern-Simons-CP(1) model

    E-Print Network [OSTI]

    Lucas Sourrouille; Alvaro Caso; Gustavo S Lozano

    2010-02-25

    We study a gauged Chern-Simons-CP(1) system. We show that contrary to previous claims the model in the absences of a potential term cannot support finite size soliton solution in $R^2$.

  15. Massive gravitational waves in Chern-Simons modified gravity

    SciTech Connect (OSTI)

    Myung, Yun Soo; Moon, Taeyoon E-mail: tymoon@inje.ac.kr

    2014-10-01

    We consider the nondynamical Chern-Simons (nCS) modified gravity, which is regarded as a parity-odd theory of massive gravity in four dimensions. We first find polarization modes of gravitational waves for ?=x/? in nCS modified gravity by using the Newman-Penrose formalism where the null complex tetrad is necessary to specify gravitational waves. We show that in the Newman–Penrose formalism, the number of polarization modes is one in addition to an unspecified ?{sub 4}, implying three degrees of freedom for ?=x/?. This compares with two for a canonical embedding of ?=t/?. Also, if one introduces the Ricci tensor formalism to describe a massive graviton arising from the nCS modified gravity, one finds one massive mode after making second-order wave equations, which is compared to five found from the parity-even Einstein–Weyl gravity.

  16. Adiabatic Pumping of Chern-Simons Axion Coupling

    E-Print Network [OSTI]

    Maryam Taherinejad; David Vanderbilt

    2014-11-06

    We study the adiabatic pumping of the Chern-Simons axion (CSA) coupling along a parametric loop characterized by a non-zero second Chern number $C^{(2)}$ from the viewpoint of the hybrid Wannier representation, in which the Wannier charge centers (WCCs) are visualized as sheets defined over a projected 2D Brillouin zone. We derive a new formula for the CSA coupling, expressing it as an integral involving Berry curvatures and potentials defined on the WCC sheets. We show that a loop characterized by a non-zero $C^{(2)}$ requires a series of sheet-touching events at which $2\\pi$ quanta of Berry curvature are passed from sheet to sheet, in such a way that $e^2/h$ units of CSA coupling are pumped by a lattice vector by the end of the cycle. We illustrate these behaviors via explicit calculations on a model tight-binding Hamiltonian and discuss their implications.

  17. Visual Field Maps, Population Receptive Field Sizes, and Visual Field Coverage in the Human MT Complex

    E-Print Network [OSTI]

    Dumoulin, Serge O.

    of processing in human motion-selective cortex. I N T R O D U C T I O N Neuroimaging experiments localize human by additional experiments. Defining human MT based on stimulus selectivity means that the identificationVisual Field Maps, Population Receptive Field Sizes, and Visual Field Coverage in the Human MT

  18. Bitcoin Transaction Malleability and MtGox Christian Decker and Roger Wattenhofer

    E-Print Network [OSTI]

    Bitcoin Transaction Malleability and MtGox Christian Decker and Roger Wattenhofer ETH Zurich International Publishing Switzerland 2014 #12;314 C. Decker and R. Wattenhofer exchanges its monopoly slowly doubled the withdrawn bitcoins, once from the withdrawal and once on its account on MtGox. In this work we

  19. An assessment of regional climate trends and changes to the Mt. Jaya glaciers of Irian Jaya 

    E-Print Network [OSTI]

    Kincaid, Joni L.

    2007-09-17

    on the Mt. Jaya glaciers has been lacking since the early 1970s. Using IKONOS satellite images, the ice extents of the Mt. Jaya glaciers in 2000, 2002, 2003, 2004, and 2005 were mapped. The mapping indicates that the recessional trend which began in the mid...

  20. Mt. Etna tropospheric ash retrieval and sensitivity analysis using Moderate Resolution Imaging

    E-Print Network [OSTI]

    Oxford, University of

    Mt. Etna tropospheric ash retrieval and sensitivity analysis using Moderate Resolution Imaging.pugnaghi@unimore.it, gabriele.gangale@unimore.it Abstract. A retrieval of tropospheric volcanic ash from Mt Etna has been. In order to derive the ash plume optical thickness, the particle effective radius and the total mass

  1. A MT System from Turkmen to Turkish Employing Finite State and Statistical Methods

    E-Print Network [OSTI]

    Yanikoglu, Berrin

    between close language pairs can be relatively easier and can still benefit from simple(r) paradigms in MT with a disambiguation post-processing stage based on statistical language models. The very productive inflectionalA MT System from Turkmen to Turkish Employing Finite State and Statistical Methods A. Cüneyd TANTU

  2. Geometry and continuity of fine-grained reservoir sandstones deformed within an accretionary prism - Basal Unit, West Woodbourne 

    E-Print Network [OSTI]

    Blackman, Ingrid Maria

    2004-09-30

    The Basal Unit of West Woodbourne Field in Barbados is a 250 m thick succession of finely-interbedded sandstones and mudstones deposited by Paleogene, fine-grained, deep-water systems off the northern South American margin and deformed as sediments...

  3. Dynamic Reservoir Characterization for High Resolution Connectivity Mapping and Conformance Control, Morrow Sandstone Reservoir, Postle Field, Oklahoma

    E-Print Network [OSTI]

    this hypothesis and to capture the economic benefit of optimizing EOR processes through DRC. Such a #12 in this optimization process as a Phase XII project. Past RCP monitoring studies have indicated that multicomponent (9 Control, Morrow Sandstone Reservoir, Postle Field, Oklahoma "You've got to know when to hold `em, know

  4. CO2 percolation experiment through chlorite/zeolite-rich sandstone (Pretty Hill Formation Otway BasinAustralia)

    E-Print Network [OSTI]

    Cattin, Rodolphe

    . After injecting the CO2 as a supercritical fluid at depth, a certain amount will slowly dissolve of the dissolved CO2) and even- tually the upward flow of supercritical or gaseous CO2 accompanied by caprockCO2 percolation experiment through chlorite/zeolite-rich sandstone (Pretty Hill Formation ­ Otway

  5. Hysteretic nonlinear elasticity of Berea sandstone at low-vibrational strain revealed by dynamic acousto-elastic testing

    E-Print Network [OSTI]

    in the Earth. In the laboratory, the disturbance that induces elastic changes is a low-frequency wave sandstone as a function of the applied low-frequency (LF) axial strain (varied from 10Ŕ7 to 10Ŕ5 the wave speed is measured as a function of the applied static load. Dynamic acousto-elasticity uses low-frequency

  6. SIMON FRASER The Applied Research in Ichnology and Sedimentology (ARISE) Group (www.sfu.ca/arise) in the Department of

    E-Print Network [OSTI]

    Dashtgard, Shahin

    SIMON FRASER UNIVERSITY The Applied Research in Ichnology and Sedimentology (ARISE) Group (www at conferences and consortium workshops. Preferred applicants should have strong sedimentological

  7. Fossil vertebrate footprints in the Coconino Sandstone (Permian) of northern Arizona: Evidence for underwater origin

    SciTech Connect (OSTI)

    Brand, L.R.; Thu Tang (Loma Linda Univ., CA (United States))

    1991-12-01

    Numerous fossil vertebrate trackways in the Coconino Sandstone of northern Arizona exhibit several features that imply that these trackways were not made in subaerial conditions. Some trackways begin or end abruptly on undisturbed bedding planes, and in other trackways the individual prints are oriented in a different direction from that of the trackway. These features indicate buoyancy of the animals in water. The animals were swimming in the water part of the time and at other times walking on the substrate, and they were sometimes orienting upslope on the surface of the underwater dunes, while being drifted sideways by lateral currents. Observations on salamander locomotion in a sedimentation tank with flowing water support this model.

  8. Numerical modelling of sandstone uniaxial compression test using a mix-mode cohesive fracture model

    E-Print Network [OSTI]

    Gui, Yilin; Kodikara, Jayantha

    2015-01-01

    A mix-mode cohesive fracture model considering tension, compression and shear material behaviour is presented, which has wide applications to geotechnical problems. The model considers both elastic and inelastic displacements. Inelastic displacement comprises fracture and plastic displacements. The norm of inelastic displacement is used to control the fracture behaviour. Meantime, a failure function describing the fracture strength is proposed. Using the internal programming FISH, the cohesive fracture model is programmed into a hybrid distinct element algorithm as encoded in Universal Distinct Element Code (UDEC). The model is verified through uniaxial tension and direct shear tests. The developed model is then applied to model the behaviour of a uniaxial compression test on Gosford sandstone. The modelling results indicate that the proposed cohesive fracture model is capable of simulating combined failure behaviour applicable to rock.

  9. Stevens and earlier miocene turbidite sandstones, southern San Joaquin Valley, California

    SciTech Connect (OSTI)

    Webb, G.W.

    1981-03-01

    A thick marine turbidite succession, dominantly coarse sandstone, underlies the southern part of the San Joaquin Valley. Sands are pebbly to fine grained, commonly poorly sorted, quartzose to arkosic, and are interbedded with dark shales bearing deep-water foraminifers. Graded bedding is common and, with the depths of 2000 to 6000 ft (610 to 1830 m) implied by the fauna, is taken to indicate a turbidity-current origin for most of the sands. The upper, middle, and lower Miocene turbidite section was revealed by extensive coring at Paloma, and is similar to the more widespread and oil and gas productive upper Miocene Stevens sandstone. The central-basin Stevens was deposited as channel sands on deep-sea fans derived from several discrete troughs or canyons on the eastern and southeastern margin of the basin prior to their burial by prograding Santa Margarita sand. Sand channels and lobes in the Bakersfield arch area were controlled locally by compaction structures. The rising Paloma anticline deflected Stevens sands for a time and the very last sands were guided also by incipient folds on the outer Bakersfield arch. Coarse Stevens conglomerates and sands shed from the emergent Temblor Range were deflected by the Buena Vista Hills, Elk Hills, and other anticlinal shoals and were deposited in intervening gaps as thick oil-productive channel sands. They merge with sands from the east side in flowing axially into the distal northwestern basin. Facies recognized in the subsurface include a meander-channel facies developed in the prograded muddy slope area upstream from the massive braided-sand facies.

  10. MT3D: a 3 dimensional magnetotelluric modeling program (user's guide and documentation for Rev. 1)

    SciTech Connect (OSTI)

    Nutter, C.; Wannamaker, P.E.

    1980-11-01

    MT3D.REV1 is a non-interactive computer program written in FORTRAN to do 3-dimensional magnetotelluric modeling. A 3-D volume integral equation has been adapted to simulate the MT response of a 3D body in the earth. An integro-difference scheme has been incorporated to increase the accuracy. This is a user's guide for MT3D.REV1 on the University of Utah Research Institute's (UURI) PRIME 400 computer operating under PRIMOS IV, Rev. 17.

  11. Global wellposedness of the equivariant Chern-Simons-Schrödinger equation

    E-Print Network [OSTI]

    Baoping Liu; Paul Smith

    2014-02-08

    In this article we consider the initial value problem for the m-equivariant Chern-Simons-Schr\\"odinger model in two spatial dimensions with real-valued coupling parameter g. This is a covariant NLS type problem that is L^2-critical. We prove that at the critical regularity, for any integer-valued equivariance index m, the initial value problem in the defocusing case (g = 1, and in this case we prove that for nonnegative integer-valued equivariance indices m there exist constants c = c_{m, g} such that, at the critical regularity, the initial value problem is globally wellposed and the solution scatters when the L^2 initial data phi_0 is m-equivariant and has L^2-norm less than the square root of c_{m, g}. We also show that c_{m, g}^{1/2} is equal to the minimum L^2 norm of a nontrivial m-equivariant standing wave solution. In the self-dual g = 1 case, we have the exact numerical values c_{m, 1} = 8*pi*(m + 1).

  12. Observation of the Chern-Simons gauge anomaly

    E-Print Network [OSTI]

    Sunil Mittal; Sriram Ganeshan; Jingyun Fan; Abolhassan Vaezi; Mohammad Hafezi

    2015-04-22

    Topological Quantum Field Theories (TQFTs) are powerful tools to describe universal features of topological orders. A hallmark example of a TQFT is the 2+1 D Chern-Simons (CS) theory which describes topological properties of both integer and fractional quantum Hall effects. The gauge invariant form of the CS theory with boundaries, encompassing both edge and bulk terms, provides an unambiguous way to relate bulk topological invariants to the edge dynamics. This bulk-edge correspondence is manifested as a gauge anomaly of the chiral dynamics at the edge, and provides a direct insight into the bulk topological order. Such an anomaly has never been directly observed in an experiment. In this work, we experimentally implement the integer quantum Hall model in a photonic system, described by the corresponding CS theory. By selectively manipulating and probing the edge, we exploit the gauge anomaly of the CS theory, for the first time. The associated spectral edge flow allows us to unambiguously measure topological invariants, i.e., the winding number of the edge states. This experiment provides a new approach for direct measurement of topological invariants, independent of the microscopic details, and thus could be extended to probe strongly correlated topological orders.

  13. On behalf of the Simon Business School leadership team, we thank you for the incredible work you perform each and every day.

    E-Print Network [OSTI]

    Portman, Douglas

    On behalf of the Simon Business School leadership team, we thank you for the incredible work you perform each and every day. The OneRochester Campaign now provides an additional way for you to make the Simon Business School. As a member of the Simon community, there are several opportunities you may

  14. PHYS 101 Lecture 17 -Rotational work and energy 17 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    and energy 17 - 2 © 2001 by David Boal, Simon Fraser University. All rights reserved; further resale - Rotational work and energy 17 - 4 © 2001 by David Boal, Simon Fraser University. All rights reserved; furtherPHYS 101 Lecture 17 - Rotational work and energy 17 - 1 © 2001 by David Boal, Simon Fraser

  15. Ion and electron beam assisted growth of nanometric SimOn structures for near-field microscopy

    E-Print Network [OSTI]

    Xie, Xiaoliang Sunney

    Ion and electron beam assisted growth of nanometric SimOn structures for near-field microscopy E. J-field optical probes by both ion beam and electron beam assisted deposition techniques IBAD and EBAD . The ion beam provides a higher SimOn growth rate than the electron beam, though the undesirable implantation

  16. NEAFS Y-mtDNA Workshop (Butler and Coble) Markers, Core Loci, and Kits

    E-Print Network [OSTI]

    ) ­ Ann Gross (MN) ­ Jill Smerick (FBI) ­ Sam Baechtel (FBI) ­ Roger Frappier (CFS) ­ Phil Kinsey (OR now MT) ­ Gary Sims (CA DOJ) ­ George Carmody (retired) ­ Mike Adamowicz (CT) ­ Bruce Budowle (FBI

  17. TIME-VARIABLEFILTERING OF MtTLTI[CHANNELSIGNALS USING MULTIPLE WINDOWS COHERENCEAND THE WEYL TRANSFORM

    E-Print Network [OSTI]

    Sandsten, Maria

    TIME-VARIABLEFILTERING OF MtTLTI[CHANNELSIGNALS USING MULTIPLE WINDOWS COHERENCEAND THE WEYL between all channel pairs. Time-frequency coherence functions are estimated using the multiple window

  18. The Genetic Structure of the Kuwaiti Population: mtDNA Inter- and Intra-population Variation

    E-Print Network [OSTI]

    Theyab, Jasem; Al-Bustan, Suzanne; Crawford, Michael H.

    2012-08-01

    it to their neighboring populations. These subpopulations were tested for genetic homogeneity and shown to be heterogeneous. Restriction fragment length polymorphism (RFLP) and mtDNA sequencing analyses of HVRI were used to reconstruct the genetic structure of Kuwait...

  19. Implied motion activation in cortical area MT can be explained by visual low-level features

    E-Print Network [OSTI]

    Oram, Mike

    ForReview Only Implied motion activation in cortical area MT can be explained by visual low Neuroscience #12;ForReview Only 1 Implied motion activation in cortical area MT can be explained by visual low, The Netherlands Page 1 of 51 Jounal of Cognitive Neuroscience 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

  20. Testing Chern-Simons modified gravity with orbiting superconductive gravity gradiometers --- The non-dynamical formulation

    E-Print Network [OSTI]

    Qiang, Li-E

    2015-01-01

    High precision Superconductivity Gravity Gradiometers (SGG) are powerful tools for relativistic experiments. In this paper, we work out the tidal signals in non-dynamical Chern-Simons modified gravity, which could be measured by orbiting SGGs around Earth. We find that, with proper orientations of multi-axes SGGs, the tidal signals from the Chern-Simons modification can be isolated in the combined data of different axes. Furthermore, for three-axes SGGs, such combined data is the trace of the total tidal matrix, which is invariant under the rotations of SGG axes and thus free from axis pointing errors. Following nearly circular orbits, the tests of the parity-violating Chern-Simons modification and the measurements of the gravitomagnetic sector in parity-conserving metric theories can be carried out independently in the same time. A first step analysis on noise sources is also included.

  1. Testing Chern-Simons modified gravity with orbiting superconductive gravity gradiometers --- The non-dynamical formulation

    E-Print Network [OSTI]

    Li-E Qiang; Peng Xu

    2015-02-16

    High precision Superconductivity Gravity Gradiometers (SGG) are powerful tools for relativistic experiments. In this paper, we work out the tidal signals in non-dynamical Chern-Simons modified gravity, which could be measured by orbiting SGGs around Earth. We find that, with proper orientations of multi-axes SGGs, the tidal signals from the Chern-Simons modification can be isolated in the combined data of different axes. Furthermore, for three-axes SGGs, such combined data is the trace of the total tidal matrix, which is invariant under the rotations of SGG axes and thus free from axis pointing errors. Following nearly circular orbits, the tests of the parity-violating Chern-Simons modification and the measurements of the gravitomagnetic sector in parity-conserving metric theories can be carried out independently in the same time. A first step analysis on noise sources is also included.

  2. 2D Gravity on $AdS_2$ with Chern-Simons Corrections

    E-Print Network [OSTI]

    Mohsen Alishahiha; Reza Fareghbal; Amir E. Mosaffa

    2008-12-23

    We study 2D Maxwell-dilaton gravity with higher order corrections given by the Chern-Simons term. The model admits three distinctive $AdS_2$ vacuum solutions. By making use of the entropy function formalism we find the entropy of the solutions which is corrected due to the presence of the Chern-Simons term. We observe that the form of the correction depends not only on the coefficient of the Chern-Simons term, but also on the sign of the electric charge; pointing toward the chiral nature of the dual CFT. Using the asymptotic symmetry of the theory as well as requiring a consistent picture we can find the central charge and the level of U(1) current. Upon uplifting the solutions to three dimensions we get purely geometric solutions which will be either $AdS_3$ or warped $AdS_3$ with an identification.

  3. 2D Gravity on $AdS_2$ with Chern-Simons Corrections

    E-Print Network [OSTI]

    Alishahiha, Mohsen; Mosaffa, Amir E

    2009-01-01

    We study 2D Maxwell-dilaton gravity with higher order corrections given by the Chern-Simons term. The model admits three distinctive $AdS_2$ vacuum solutions. By making use of the entropy function formalism we find the entropy of the solutions which is corrected due to the presence of the Chern-Simons term. We observe that the form of the correction depends not only on the coefficient of the Chern-Simons term, but also on the sign of the electric charge; pointing toward the chiral nature of the dual CFT. Using the asymptotic symmetry of the theory as well as requiring a consistent picture we can find the central charge and the level of U(1) current. Upon uplifting the solutions to three dimensions we get purely geometric solutions which will be either $AdS_3$ or warped $AdS_3$ with an identification.

  4. Journal of the Geological Society, London, Vol. 154, 1997, pp. 747751, 2 figs, 1 table. Printed in Great Britain Discussion on aluminium loss during sandstone diagenesis

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Journal of the Geological Society, London, Vol. 154, 1997, pp. 747­751, 2 figs, 1 table. Printed in Great Britain Discussion on aluminium loss during sandstone diagenesis Journal, Vol. 153, 1996, pp. 657

  5. Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications for basin physiography in the early stages of collision

    E-Print Network [OSTI]

    Kaus, Boris

    Sedimentology of early Pliocene sandstones in the south-western Taiwan foreland: Implications rhythmites a b s t r a c t This work presents sedimentological observations and interpretations on three

  6. Dynamical chaos in non-Abelian Chern-Simons-Higgs theories

    SciTech Connect (OSTI)

    Sriram, M.S. (Department of Theoretical Physics, University of Madras, Madras-600 025 (India)); Mukku, C. (School of Mathematics and Computer/Information Sciences, University of Hyderabad, Hyderabad-500 134 (India)); Lakshmibala, S. (Department of Physics, Indian Institute of Technology, Madras 600 036 (India)); Bambah, B.A. (School of Physics, University of Hyderabad, Hyderabad-500 134 (India))

    1994-04-15

    We examine the dynamical behavior of non-Abelian Chern-Simons-Higgs systems. Using a Painleve analysis we show that the pure SU(2) Chern-Simons-Higgs system, with spatially homogeneous fields, is in general nonintegrable. With the addition of a kinetic energy term for the Yang-Mills field, the system remains nonintegrable. We explore the phase spaces for both systems and exhibit plots which show interesting behavior ranging from regular to chaotic. We also calculate the Lyapunov functions to show that the maximal exponents are positive. The variations of the exponents with respect to various parameters are also exhibited.

  7. Reservoir characterization of multiple-bar sandstones in the Mississippian Cypress Formation, Tamaroa Field, Perry County, Illinois

    SciTech Connect (OSTI)

    Grube, J.P. (Illinois State Geological Survey, Champaign (United States))

    1991-08-01

    Tamaroa field produces principally from lenticular sandstones in the upper part of the Chesterian Cypress Formation. These sandstone bodies, interpreted to be marine bars, are typically less than 10 ft thick, 0.25 to 0.5 mi wide,and less than 2 mi long. The bars are vertically stacked and trend northeast-southwest in an en echelon pattern. Spontaneous potential and gamma ray log character, as well as core data, show that shales ranging in thickness from 10 ft to less than 1 ft separate the sandstones. Hydrocarbons are produced from the clean parts of the bars that drape across three structural folds. Multiple structural closures and the stacking of shale-separated bars create discrete reservoir compartments in Tamaroa field. Understanding reservoir compartmentalization is a key factor in designing and infill drilling or waterflood program in a multiple-bar complex such as the one at Tamaroa field. Optimum recovery efficiency therefore can be achieved by using a detailed reservoir model.

  8. Effect of quartz overgrowth precipitation on the multiscale porosity of sandstone: A (U)SANS and imaging analysis

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

    Anovitz, Lawrence M.; Cole, David R.; Jackson, Andrew J.; Rother, Gernot; Littrell, Kenneth C.; Allard, Lawrence F.; Pollington, Anthony D.; Wesolowski, David J.

    2015-06-01

    We have performed a series of experiments to understand the effects of quartz overgrowths on nanometer to centimeter scale pore structures of sandstones. Blocks from two samples of St. Peter Sandstone with different initial porosities (5.8 and 18.3%) were reacted from 3 days to 7.5 months at 100 and 200 °C in aqueous solutions supersaturated with respect to quartz by reaction with amorphous silica. Porosity in the resultant samples was analyzed using small and ultrasmall angle neutron scattering and scanning electron microscope/backscattered electron (SEM/BSE)-based image-scale processing techniques.Significant changes were observed in the multiscale pore structures. By three days much ofmore »the overgrowth in the low-porosity sample dissolved away. The reason for this is uncertain, but the overgrowths can be clearly distinguished from the original core grains in the BSE images. At longer times the larger pores are observed to fill with plate-like precipitates. As with the unreacted sandstones, porosity is a step function of size. Grain boundaries are typically fractal, but no evidence of mass fractal or fuzzy interface behavior was observed suggesting a structural difference between chemical and clastic sediments. After the initial loss of the overgrowths, image scale porosity (>~1 cm) decreases with time. Submicron porosity (typically ~25% of the total) is relatively constant or slightly decreasing in absolute terms, but the percent change is significant. Fractal dimensions decrease at larger scales, and increase at smaller scales with increased precipitation.« less

  9. Injection of CO2 with H2S and SO2 and Subsequent Mineral Trapping in Sandstone-Shale Formation

    SciTech Connect (OSTI)

    Xu, Tianfu; Apps, John A.; Pruess, Karsten; Yamamoto, Hajime

    2004-09-07

    Carbon dioxide (CO{sub 2}) injection into deep geologic formations can potentially reduce atmospheric emissions of greenhouse gases. Sequestering less-pure CO{sub 2} waste streams (containing H{sub 2}S and/or SO{sub 2}) would be less expensive or would require less energy than separating CO{sub 2} from flue gas or a coal gasification process. The long-term interaction of these injected acid gases with shale-confining layers of a sandstone injection zone has not been well investigated. We therefore have developed a conceptual model of injection of CO{sub 2} with H{sub 2}S and/or SO{sub 2} into a sandstone-shale sequence, using hydrogeologic properties and mineral compositions commonly encountered in Gulf Coast sediments of the United States. We have performed numerical simulations of a 1-D radial well region considering sandstone alone and a 2-D model using a sandstone-shale sequence under acid-gas injection conditions. Results indicate that shale plays a limited role in mineral alteration and sequestration of gases within a sandstone horizon for short time periods (10,000 years in present simulations). The co-injection of SO{sub 2} results in different pH distribution, mineral alteration patterns, and CO{sub 2} mineral sequestration than the co-injection of H{sub 2}S or injection of CO{sub 2} alone. Simulations generate a zonal distribution of mineral alteration and formation of carbon and sulfur trapping minerals that depends on the pH distribution. The co-injection of SO{sub 2} results in a larger and stronger acidified zone close to the well. Precipitation of carbon trapping minerals occurs within the higher pH regions beyond the acidified zones. In contrast, sulfur trapping minerals are stable at low pH ranges (below 5) within the front of the acidified zone. Corrosion and well abandonment due to the co-injection of SO{sub 2} could be important issues. Significant CO{sub 2} is sequestered in ankerite and dawsonite, and some in siderite. The CO{sub 2} mineral-trapping capability can reach 80 kg per cubic meter of medium. Most sulfur is trapped through alunite precipitation, although some is trapped by anhydrite precipitation and minor amount of pyrite. The addition of the acid gases and induced mineral alteration result in changes in porosity. The limited information currently available on the mineralogy of natural high-pressure acid-gas reservoirs is generally consistent with our simulations.

  10. Automatic classification of citation function Simone Teufel Advaith Siddharthan Dan Tidhar

    E-Print Network [OSTI]

    Teufel, Simone

    Automatic classification of citation function Simone Teufel Advaith Siddharthan Dan Tidhar Natural relationship between citation func- tion and sentiment classification. 1 Introduction Why do researchers cite of science, and in- formation sciences (library sciences) for decades (Garfield, 1979; Small, 1982; White

  11. A Survey of Document Image Retrieval in Digital Libraries Simone Marinai

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A Survey of Document Image Retrieval in Digital Libraries Simone Marinai Dipartimento di Sistemi e. Keywords : Digital Library, Document Image Retrieval, Handwriting, Layout Analysis, OCR. 1 Introduction In the last few years, Digital Libraries (DL) became one im- portant application area for Document Image

  12. Wind power bidding in a soft penalty market Antonio Giannitrapani, Simone Paoletti, Antonio Vicino, Donato Zarrilli

    E-Print Network [OSTI]

    Garulli, Andrea

    Wind power bidding in a soft penalty market Antonio Giannitrapani, Simone Paoletti, Antonio Vicino, Donato Zarrilli Abstract-- In this paper we consider the problem of offering wind power in a market of the prior wind power statistics, is derived analytically by maximizing the expected profit of the wind power

  13. Automatic classification of citation function Simone Teufel Advaith Siddharthan Dan Tidhar

    E-Print Network [OSTI]

    Siddharthan, Advaith

    of science, and in- formation sciences (library sciences) for decades (Garfield, 1979; Small, 1982; WhiteAutomatic classification of citation function Simone Teufel Advaith Siddharthan Dan Tidhar Natural- knowledgement of the use of the cited method). The automatic recognition of the rhetorical function of citations

  14. This article was downloaded by:[Simon, J. M.] On: 24 August 2007

    E-Print Network [OSTI]

    Kjelstrup, Signe

    ://www.informaworld.com/smpp/title~content=t713644482 Numerical evidence for a thermal driving force during adsorption of butane in silicalite Online. (2007) 'Numerical evidence for a thermal driving force during adsorption of butane in silicalite for a thermal driving force during adsorption of butane in silicalite J. M. SIMON*§, I. INZOLI{k, D. BEDEAUX

  15. Interferometric velocity analysis using physical and nonphysical energy Simon King1

    E-Print Network [OSTI]

    energy clutters the velocity spectra, making the picking of primary energy more dif- ficult. MultiplesInterferometric velocity analysis using physical and nonphysical energy Simon King1 , Andrew Curtis as apparent energy that could not have propagated between receiver locations -- so-called nonphysical energy

  16. Evaluating the options for carbon sequestration Clair Gough and Simon Shackley

    E-Print Network [OSTI]

    Watson, Andrew

    Evaluating the options for carbon sequestration Clair Gough and Simon Shackley Tyndall Centre for carbon sequestration Tyndall Centre Technical Report No. 2 November 2002 This is the final report from Tyndall research project IT1.22 (Carbon sequestration: a pilot stage multi-criteria evaluation

  17. A Runtime System for XML Transformations in Java Aske Simon Christensen, Christian Kirkegaard, and Anders Mller

    E-Print Network [OSTI]

    Mřller, Anders

    by the Danish National Research Foundation. #12;description of the XACT runtime system. We present a suitableA Runtime System for XML Transformations in Java Aske Simon Christensen, Christian Kirkegaard system where the operations can be performed efficiently. The system, named XACT, is based on a notion

  18. QUANTUM CHAOS: LESSONS FROM DISORDERED METALS A. Altland, C. R. Offer and B. D. Simons

    E-Print Network [OSTI]

    Simons, Ben

    QUANTUM CHAOS: LESSONS FROM DISORDERED METALS A. Altland, C. R. Offer and B. D. Simons Cavendish are chaotic in their classical limit is the subject of ``Quantum Chaos''. A wide variety of physical systems encountered in the develop­ ment of a theory of quantum chaos. In the section ``Coherence Effects

  19. World Wide Web scaling exponent from Simon's 1955 model Stefan Bornholdt* and Holger Ebel

    E-Print Network [OSTI]

    Bornholdt, Stefan

    World Wide Web scaling exponent from Simon's 1955 model Stefan Bornholdt* and Holger Ebel Institut September 2000; published 27 August 2001 The statistical properties of the World Wide Web have attracted structure. One characteristic quantity is the number of in- links k that point to a particular web page. Its

  20. Testing, Proof and Automation. An Integrated Approach Simon Burton John Clark John McDermid

    E-Print Network [OSTI]

    Clark, John

    Testing, Proof and Automation. An Integrated Approach Simon Burton John Clark John Mc of testing and proof within automated software ver- ification and validation processes. We demonstrate how a combination of the two approaches can lead to greater lev- els of automation and integrity. In particular we

  1. DAMAGE DETECTION IN A WIND TURBINE BLADE BASED ON TIME SERIES Simon Hoell, Piotr Omenzetter

    E-Print Network [OSTI]

    Boyer, Edmond

    DAMAGE DETECTION IN A WIND TURBINE BLADE BASED ON TIME SERIES METHODS Simon Hoell, Piotr Omenzetter (SHM) systems. Different methods have been developed for detection of damages in WT blades. However a damage detection method based on autocorrelations of response accelerations. The damage sensitive feature

  2. Multi-Clue Image Tampering Localization Lorenzo Gaborini, Paolo Bestagini, Simone Milani, Marco Tagliasacchi, Stefano Tubaro

    E-Print Network [OSTI]

    Tagliasacchi, Marco

    Multi-Clue Image Tampering Localization Lorenzo Gaborini, Paolo Bestagini, Simone Milani, Marco--Image tampering is nowadays at everyone's reach. This has determined an urgent need of tools capable of revealing focus on one specific kind of forgeries. Therefore, an effective strategy for tampering detection

  3. Computational Television Advertising Suhrid Balakrishnan, Sumit Chopra, David Applegate and Simon Urbanek

    E-Print Network [OSTI]

    Greenberg, Albert

    Computational Television Advertising Suhrid Balakrishnan, Sumit Chopra, David Applegate and Simon,schopra,david,urbanek}@research.att.com Abstract--Ever wonder why that Kia Ad ran during Iron Chef? Traditional advertising methodology. A particular issue is that traditional methods for television advertising are far less efficient than

  4. Evolving Controllers for Simulated Car Racing Julian Togelius and Simon M. Lucas

    E-Print Network [OSTI]

    Togelius, Julian

    Evolving Controllers for Simulated Car Racing Julian Togelius and Simon M. Lucas Department@essex.ac.uk Abstract- This paper describes the evolution of controllers for racing a simulated radio-controlled car egocentric (first person), Newtonian (third person) or no information about the state of the car (open

  5. Shear and Extensional Rheology of Cellulose/Ionic Liquid Solutions Simon J. Haward,*,

    E-Print Network [OSTI]

    Sharma, Vivek

    Shear and Extensional Rheology of Cellulose/Ionic Liquid Solutions Simon J. Haward,*, Vivek Sharma characterize the shear and extensional rheology of dilute to semidilute solutions of cellulose in the ionic of the semidilute cellulose solutions in a uniaxial extensional ow that mimics the dynamics encountered in the spin

  6. Asynchronous or synchronous? A misleading choice. Scott Fairbanks and Simon Moore

    E-Print Network [OSTI]

    Moore, Simon

    to generate and globally distribute timing signals. The first paper questions the synchronous assumptionsAsynchronous or synchronous? A misleading choice. Scott Fairbanks and Simon Moore 15 May 2004 as the technology that will progress the art of compu- tation when the timing assumptions that hold the synchronous

  7. Reservoir theory for studying the geochemical evolution of soils Simon Marius Mudd1

    E-Print Network [OSTI]

    Mudd, Simon Marius

    Reservoir theory for studying the geochemical evolution of soils Simon Marius Mudd1 and Kyungsoo environment over a fixed amount of time. In natural soils, minerals enter, are mixed within, and leave the soil via erosion and dissolution/leaching over the course of soil formation. The key to correctly

  8. A NonFunctional Approach to System Integrity Simon N. Foley, Member, IEEE

    E-Print Network [OSTI]

    Foley, Simon

    , Protocols, Reliability, Software verification and validation, System analysis and design. I. INTRODUCTION1 A Non­Functional Approach to System Integrity Simon N. Foley, Member, IEEE Abstract effectiveness is justified more on the basis of experience and ``best practice'', rather than on any common

  9. Industrial Research Chair in Energy Systems for Smart Cities SIMON FRASER UNIVERSITY, CANADA

    E-Print Network [OSTI]

    Industrial Research Chair in Energy Systems for Smart Cities SIMON FRASER UNIVERSITY, CANADA for a prestigious Executive Industrial Research Chair in Energy Systems for Smart Cities at the associate or full a Centre of Excellence in Energy Systems for Smart Cities at the SFU Surrey Campus in close collaboration

  10. New Chern-Simons densities in both odd and even dimensions

    E-Print Network [OSTI]

    Radu, Eugen

    2011-01-01

    After reviewing briefly the dimensional reduction of Chern--Pontryagin densities, we define new Chern--Simons densities expressed in terms of Yang-Mills and Higgs fields. These are defined in all dimensions, including in even dimensional spacetimes. They are constructed by subjecting the dimensionally reduced Chern--Pontryagin densites to further descent by two steps.

  11. New Chern-Simons densities in both odd and even dimensions

    E-Print Network [OSTI]

    Eugen Radu; Tigran Tchrakian

    2011-01-26

    After reviewing briefly the dimensional reduction of Chern--Pontryagin densities, we define new Chern--Simons densities expressed in terms of Yang-Mills and Higgs fields. These are defined in all dimensions, including in even dimensional spacetimes. They are constructed by subjecting the dimensionally reduced Chern--Pontryagin densites to further descent by two steps.

  12. Pictures: A simple structured graphics model Sigbjorn Finne and Simon Peyton Jones,

    E-Print Network [OSTI]

    Jones, Simon Peyton

    Pictures: A simple structured graphics model Sigbjorn Finne and Simon Peyton Jones, Department, or pictures, are represented as values that functions can manipu­ late and inspect to create new values. Complete pictures are constructed by repeatedly composing such picture values together using picture com

  13. Experiment 2 Praktikum: Energy Systems Instructor: MSc Simon Tymen Experiment 2

    E-Print Network [OSTI]

    Rossak, Wilhelm R.

    Experiment 2 Praktikum: Energy Systems Instructor: MSc Simon Tymen Experiment 2 Electro disadvantage of PEM fuel cells is the hydrogen storage so the related research is focused on developing new kinds of fuel cells and producing new hydrogen storage materials. NaBH4 is a good alternative

  14. Hydrographic Data Management using GIS Technologies Neal G. Millett and Simon Evans

    E-Print Network [OSTI]

    Wright, Dawn Jeannine

    Hydrographic Data Management using GIS Technologies Neal G. Millett and Simon Evans Environmental in marine data sensing technologies, such as multibeam echo sounders, LIDAR, and high speed, high resolution side scan sonars raises a series of data management challenges for the hydrographer. The days of small

  15. Optimal Transport and Placental Function Qinglan Xia, Carolyn Salafia and Simon Morgan

    E-Print Network [OSTI]

    Xia, Qinglan

    Optimal Transport and Placental Function Qinglan Xia, Carolyn Salafia and Simon Morgan Abstract on placental function. The goal of this paper is to introduce the use of optimal transport modeling to study. For each placenta (N=1110), a total transport cost based on all measurements (i), (ii), and (iii) is given

  16. Hausdorff dimension, fractional spin particles and Chern-Simons effective potential

    E-Print Network [OSTI]

    Wellington da Cruz

    1998-02-19

    We obtain for any spin, $s$, the Hausdorff dimension, $h_{i}$, for fractional spin particles and we discuss the connection between this number, $h_{i}$, and the Chern-Simons potential. We also define the topological invariants, $W_s$, in terms of the statistics of these particles.

  17. Brunet-Derrida-Simon conjectures Background material Main results Proof overview The genealogy of branching Brownian

    E-Print Network [OSTI]

    Berestycki, Julien

    Brunet-Derrida-Simon conjectures Background material Main results Proof overview The genealogy with constant population size Conjecture 1 : the speed Conjecture 2 : timescale Conjecture 3 : Genealogy 2 Background material So what is the Bolthausen-Sznitman coalescent ? CSBP Genealogy of Neveu's CSBP BBM 3 Main

  18. This article was downloaded by: [Simon Fraser University] On: 03 September 2014, At: 23:05

    E-Print Network [OSTI]

    Venditti, Jeremy G.

    Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Canadian Water Resources Journal a , Jeremy G. Venditti a & Michael Church b a Department of Geography, Simon Fraser University, Burnaby, BC, V5A 1S6 b Department of Geography, University of British Columbia, Vancouver, BC V6T 1Z4 Published

  19. Energy-momentum conservation laws in higher-dimensional Chern-Simons models

    E-Print Network [OSTI]

    G. Sardanashvily

    2003-03-17

    Though a Chern-Simons (2k-1)-form is not gauge-invariant and it depends on a background connection, this form seen as a Lagrangian of gauge theory on a (2k-1)-dimensional manifold leads to the energy-momentum conservation law.

  20. Study on fine geological modelling of the fluvial sandstone reservoir in Daqing oilfield

    SciTech Connect (OSTI)

    Zhoa Han-Qing

    1997-08-01

    These paper aims at developing a method for fine reservoir description in maturing oilfields by using close spaced well logging data. The main productive reservoirs in Daqing oilfield is a set of large fluvial-deltaic deposits in the Songliao Lake Basin, characterized by multi-layers and serious heterogeneities. Various fluvial channel sandstone reservoirs cover a fairly important proportion of reserves. After a long period of water flooding, most of them have turned into high water cut layers, but there are considerable residual reserves within them, which are difficult to find and tap. Making fine reservoir description and developing sound a geological model is essential for tapping residual oil and enhancing oil recovery. The principal reason for relative lower precision of predicting model developed by using geostatistics is incomplete recognition of complex distribution of fluvial reservoirs and their internal architecture`s. Tasking advantage of limited outcrop data from other regions (suppose no outcrop data available in oilfield) can only provide the knowledge of subtle changing of reservoir parameters and internal architecture. For the specific geometry distribution and internal architecture of subsurface reservoirs (such as in produced regions) can be gained only from continuous infilling logging well data available from studied areas. For developing a geological model, we think the first important thing is to characterize sandbodies geometries and their general architecture`s, which are the framework of models, and then the slight changing of interwell parameters and internal architecture`s, which are the contents and cells of the model. An excellent model should possess both of them, but the geometry is the key to model, because it controls the contents and cells distribution within a model.

  1. Secondary oil recovery from selected Carter sandstone oilfields--Black Warrior Basin, Alabama. Final report

    SciTech Connect (OSTI)

    Anderson, J.C.

    1995-02-01

    Producibility problems, such as low reservoir pressure and reservoir heterogeneity, have severely limited oil production from the Central Bluff and North Fairview fields. Specific objectives for this project were: To successfully apply detailed geologic and engineering studies with conventional waterflood technologies to these fields in an effort to increase the ultimate economic recovery of oil from Carter sandstone fields; To extensively model, test and evaluate these technologies; thereby, developing a sound methodology for their use and optimization; and To team with Advanced Resources International and the US DOE to assimilate and transfer the information and results gathered from this study to other oil companies to encourage the widespread use of these technologies. At Central Bluff, water injection facilities were constructed and water injection into one well began in January 1993. Oil response from the waterflood has been observed at both producing wells. One of the producing wells has experienced early water breakthrough and a concomitant drop in secondary oil rate. A reservoir modeling study was initiated to help develop an appropriate operating strategy for Central Bluff. For the North Fairview unit waterflood, a previously abandoned well was converted for water injection which began in late June 1993. The reservoir is being re-pressurized, and unit water production has remained nil since flood start indicating the possible formation of an oil bank. A reservoir simulation to characterize the Carter sand at North Fairview was undertaken and the modeling results were used to forecast field performance. The project was terminated due to unfavorable economics. The factors contributing to this decision were premature water breakthrough at Central Bluff, delayed flood response at North Fairview and stalled negotiations at the South Bluff site.

  2. Operation Sandstone. Scientific Director's report of atomic-weapon tests at Eniwetok, 1948. Annex 8. Gamma-ray measurements. Parts 1, 2, 3, 4, and 5. Sandstone report No. 29

    SciTech Connect (OSTI)

    Shonka, F.R.; Pawlicki, G.S.

    1985-09-01

    Curves of absorption of gamma rays in boron carbide and a few points on the absorption curve in lead were obtained during the three atomic explosions of Operation Sandstone. Radiation was detected by integrating ionization chambers and by photographic emulsions. A few recording-type ionization chambers were used to give intensities as a function of time. Radiation detectors were located inside of shelters which protected them from blast and shielded them from scattered radiation. Because of geometry, scattered radiation was negligible and the analysis of absorption curves yields the true total absorption coefficient for the radiation.

  3. Experiment operations plan for the MT-4 experiment in the NRU reactor. [PWR

    SciTech Connect (OSTI)

    Russcher, G.E.; Wilson, C.L.; Parchen, L.J.; Marshall, R.K.; Hesson, G.M.; Webb, B.J.; Freshley, M.D.

    1983-06-01

    A series of thermal-hydraulic and cladding materials deformation experiments were conducted using light-water reactor fuel bundles as part of the Pacific Northwest Laboratory Loss-of-Coolant Accident (LOCA) Simulation Program. This report is the formal operations plan for MT-4 - the fourth materials deformation experiment conducted in the National Research Universal (NRU) reactor, Chalk River, Ontario, Canada. A major objective of MT-4 was to simulate a pressurized water reactor LOCA that could induce fuel rod cladding deformation and rupture due to a short-term adiabatic transient and a peak fuel cladding temperature of 1200K (1700/sup 0/F).

  4. Analysis of Critical Permeabilty, Capillary Pressure and Electrical Properties for Mesaverde Tight Gas Sandstones from Western U.S. Basins

    SciTech Connect (OSTI)

    Alan Byrnes; Robert Cluff; John Webb; John Victorine; Ken Stalder; Daniel Osburn; Andrew Knoderer; Owen Metheny; Troy Hommertzheim; Joshua Byrnes; Daniel Krygowski; Stefani Whittaker

    2008-06-30

    Although prediction of future natural gas supply is complicated by uncertainty in such variables as demand, liquefied natural gas supply price and availability, coalbed methane and gas shale development rate, and pipeline availability, all U.S. Energy Information Administration gas supply estimates to date have predicted that Unconventional gas sources will be the dominant source of U.S. natural gas supply for at least the next two decades (Fig. 1.1; the period of estimation). Among the Unconventional gas supply sources, Tight Gas Sandstones (TGS) will represent 50-70% of the Unconventional gas supply in this time period (Fig. 1.2). Rocky Mountain TGS are estimated to be approximately 70% of the total TGS resource base (USEIA, 2005) and the Mesaverde Group (Mesaverde) sandstones represent the principal gas productive sandstone unit in the largest Western U.S. TGS basins including the basins that are the focus of this study (Washakie, Uinta, Piceance, northern Greater Green River, Wind River, Powder River). Industry assessment of the regional gas resource, projection of future gas supply, and exploration programs require an understanding of reservoir properties and accurate tools for formation evaluation. The goal of this study is to provide petrophysical formation evaluation tools related to relative permeability, capillary pressure, electrical properties and algorithms for wireline log analysis. Detailed and accurate moveable gas-in-place resource assessment is most critical in marginal gas plays and there is need for quantitative tools for definition of limits on gas producibility due to technology and rock physics and for defining water saturation. The results of this study address fundamental questions concerning: (1) gas storage; (2) gas flow; (3) capillary pressure; (4) electrical properties; (5) facies and upscaling issues; (6) wireline log interpretation algorithms; and (7) providing a web-accessible database of advanced rock properties. The following text briefly discusses the nature of these questions. Section I.2 briefly discusses the objective of the study with respect to the problems reviewed.

  5. Contrasting processes of deposition for the Eagleford "B" sandstone, Bryan, IDS, and Kurten fields, Brazos County, Texas 

    E-Print Network [OSTI]

    Golding, Robert Martin

    1990-01-01

    oil and 510 MSCF of gas per day. As of October 1987, there were 22 producing wells in the field. Ultimate reserves figures are unavailable but average monthly production was 12, 767 barrels of oil, 194, 645 cubic feet of gas and 11, 823 barrels... to delineate sand vs. shale sections. The high oil saturations present in the field are reflected in the high resistivities of the sandstone. The resistivity curve also exhibits a sharp upper and lower contact which reflects the character of the GR...

  6. Depositional environment of Hosston sandstones (lower cretaceous), Bogalusa Field, Washington Parish, Louisiana (identification of deltaic and fluvial sequences in logs) 

    E-Print Network [OSTI]

    Strong, Catherine Cox

    1983-01-01

    , the units are composed of individual bedsets from 1 ft (. 3 m) to 12. 5 ft (4 m) thick that decrease in grain size upward. Inclined laminae dip at angles from 0 to 22 degrees, and ripple- laminated sandstone or thin (3 mm) micaceous, carbonaceous, shale... (70%), rock fragment percentages are high (17'4), matrix content is mod- erate (6%), and shale clasts and woody fragments are common. Cement bulk volume percentages are hiqh (26%) with silica in the form of quartz overgrowths being the dominant...

  7. Evaluating impacts of CO2 gas intrusion into a confined sandstone aquifer: Experimental results

    SciTech Connect (OSTI)

    Qafoku, Nikolla; Lawter, Amanda R.; Shao, Hongbo; Wang, Guohui; Brown, Christopher F.

    2014-12-31

    Deep subsurface storage and sequestration of CO2 has been identified as a potential mitigation technique for rising atmospheric CO2 concentrations. Sequestered CO2 represents a potential risk to overlying aquifers if the CO2 leaks from the deep storage reservoir. Experimental and modeling work is required to evaluate potential risks to groundwater quality and develop a systematic understanding of how CO2 leakage may cause important changes in aquifer chemistry and mineralogy by promoting dissolution/precipitation, adsorption/desorption, and redox reactions. Sediments from the High Plains aquifer in Kansas, United States, were used in this investigation, which is part of the National Risk Assessment Partnership Program sponsored by the US Department of Energy. This aquifer was selected to be representative of consolidated sand and gravel/sandstone aquifers overlying potential CO2 sequestration repositories within the continental US. In this paper, we present results from batch experiments conducted at room temperature and atmospheric pressure with four High Plains aquifer sediments. Batch experiments simulate sudden, fast, and short-lived releases of the CO2 gas as would occur in the case of well failure during injection. Time-dependent release of major, minor, and trace elements were determined by analyzing the contacting solutions. Characterization studies demonstrated that the High Plains aquifer sediments were abundant in quartz and feldspars, and contained about 15 to 20 wt% montmorillonite and up to 5 wt% micas. Some of the High Plains aquifer sediments contained no calcite, while others had up to about 7 wt% calcite. The strong acid extraction tests confirmed that in addition to the usual elements present in most soils, rocks, and sediments, the High Plains aquifer sediments had appreciable amounts of As, Cd, Pb, Cu, and occasionally Zn, which potentially may be mobilized from the solid to the aqueous phase during or after exposure to CO2. However, the results from the batch experiments showed that the High Plains sediments mobilized only low concentrations of trace elements (potential contaminants), which were detected occasionally in the aqueous phase during these experiments. Importantly, these occurrences were more frequent in the calcite-free sediment. Results from these investigations provide useful information to support site selection, risk assessment, and public education efforts associated with geological CO2 storage and sequestration.

  8. Evaluating Impacts of CO2 Gas Intrusion Into a Confined Sandstone aquifer: Experimental Results

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

    Qafoku, Nikolla; Lawter, Amanda R.; Shao, Hongbo; Wang, Guohui; Brown, Christopher F.

    2014-12-31

    Deep subsurface storage and sequestration of CO2 has been identified as a potential mitigation technique for rising atmospheric CO2 concentrations. Sequestered CO2 represents a potential risk to overlying aquifers if the CO2 leaks from the deep storage reservoir. Experimental and modeling work is required to evaluate potential risks to groundwater quality and develop a systematic understanding of how CO2 leakage may cause important changes in aquifer chemistry and mineralogy by promoting dissolution/precipitation, adsorption/desorption, and redox reactions. Sediments from the High Plains aquifer in Kansas, United States, were used in this investigation, which is part of the National Risk Assessment Partnershipmore »Program sponsored by the US Department of Energy. This aquifer was selected to be representative of consolidated sand and gravel/sandstone aquifers overlying potential CO2 sequestration repositories within the continental US. In this paper, we present results from batch experiments conducted at room temperature and atmospheric pressure with four High Plains aquifer sediments. Batch experiments simulate sudden, fast, and short-lived releases of the CO2 gas as would occur in the case of well failure during injection. Time-dependent release of major, minor, and trace elements were determined by analyzing the contacting solutions. Characterization studies demonstrated that the High Plains aquifer sediments were abundant in quartz and feldspars, and contained about 15 to 20 wt% montmorillonite and up to 5 wt% micas. Some of the High Plains aquifer sediments contained no calcite, while others had up to about 7 wt% calcite. The strong acid extraction tests confirmed that in addition to the usual elements present in most soils, rocks, and sediments, the High Plains aquifer sediments had appreciable amounts of As, Cd, Pb, Cu, and occasionally Zn, which potentially may be mobilized from the solid to the aqueous phase during or after exposure to CO2. However, the results from the batch experiments showed that the High Plains sediments mobilized only low concentrations of trace elements (potential contaminants), which were detected occasionally in the aqueous phase during these experiments. Importantly, these occurrences were more frequent in the calcite-free sediment. Results from these investigations provide useful information to support site selection, risk assessment, and public education efforts associated with geological CO2 storage and sequestration.« less

  9. Evaluating Impacts of CO2 Gas Intrusion Into a Confined Sandstone aquifer: Experimental Results

    SciTech Connect (OSTI)

    Qafoku, Nikolla; Lawter, Amanda R.; Shao, Hongbo; Wang, Guohui; Brown, Christopher F.

    2014-12-31

    Deep subsurface storage and sequestration of CO2 has been identified as a potential mitigation technique for rising atmospheric CO2 concentrations. Sequestered CO2 represents a potential risk to overlying aquifers if the CO2 leaks from the deep storage reservoir. Experimental and modeling work is required to evaluate potential risks to groundwater quality and develop a systematic understanding of how CO2 leakage may cause important changes in aquifer chemistry and mineralogy by promoting dissolution/precipitation, adsorption/desorption, and redox reactions. Sediments from the High Plains aquifer in Kansas, United States, were used in this investigation, which is part of the National Risk Assessment Partnership Program sponsored by the US Department of Energy. This aquifer was selected to be representative of consolidated sand and gravel/sandstone aquifers overlying potential CO2 sequestration repositories within the continental US. In this paper, we present results from batch experiments conducted at room temperature and atmospheric pressure with four High Plains aquifer sediments. Batch experiments simulate sudden, fast, and short-lived releases of the CO2 gas as would occur in the case of well failure during injection. Time-dependent release of major, minor, and trace elements were determined by analyzing the contacting solutions. Characterization studies demonstrated that the High Plains aquifer sediments were abundant in quartz and feldspars, and contained about 15 to 20 wt% montmorillonite and up to 5 wt% micas. Some of the High Plains aquifer sediments contained no calcite, while others had up to about 7 wt% calcite. The strong acid extraction tests confirmed that in addition to the usual elements present in most soils, rocks, and sediments, the High Plains aquifer sediments had appreciable amounts of As, Cd, Pb, Cu, and occasionally Zn, which potentially may be mobilized from the solid to the aqueous phase during or after exposure to CO2. However, the results from the batch experiments showed that the High Plains sediments mobilized only low concentrations of trace elements (potential contaminants), which were detected occasionally in the aqueous phase during these experiments. Importantly, these occurrences were more frequent in the calcite-free sediment. Results from these investigations provide useful information to support site selection, risk assessment, and public education efforts associated with geological CO2 storage and sequestration.

  10. Dr. Joseph A. Shaw Electrical & Computer Engineering Dept., Montana State University, Bozeman, MT 59717

    E-Print Network [OSTI]

    Lawrence, Rick L.

    Dr. Joseph A. Shaw Electrical & Computer Engineering Dept., Montana State University, Bozeman, MT M.S. Electrical Engineering University of Utah 1987 B.S. Electrical Engineering University of Alaska Experience: 2008 ­ present Professor ­ Electrical & Computer Engineering (ECE) Department, Montana State

  11. Synchronous Dependency Insertion Grammars A Grammar Formalism for Syntax Based Statistical MT

    E-Print Network [OSTI]

    Synchronous Dependency Insertion Grammars A Grammar Formalism for Syntax Based Statistical MT Yuan formalism specifically designed for syntax-based sta- tistical machine translation. The synchro- nous between lan- guages, which many other synchronous grammars are unable to model. A Depend- ency Insertion

  12. MONTANA OUTDOORS 3130 MARCH APRIL 2014 FWP.MT.GOV/MTOUTDOORS Why mountain bluebirds

    E-Print Network [OSTI]

    Duckworth, Renée

    MONTANA OUTDOORS 3130 MARCH APRIL 2014 FWP.MT.GOV/MTOUTDOORS TURF WAR TWIST Why mountain bluebirds are good for this species in western Montana valleys but don't benefit, in the long run, mountain bluebirds. Although mountain blue- birds also lost nesting sites, they had evolved to also use habitats at higher

  13. Intermountain GIS Conference. April 1923 2010, Bozeman, MT. Patrick Lawrence, Maxwell BD, Rew LJ

    E-Print Network [OSTI]

    Maxwell, Bruce D.

    Intermountain GIS Conference. April 1923 2010, Bozeman, MT. Patrick Lawrence, Maxwell BD, Rew in the Python programming language, drawing on Python's builtin library, the RPy extension, ArcGIS geoprocessing and ArcGIS Server. As inputs, it accepts transect shapefiles, transect text files, or point

  14. MT3DMS, A Modular Three-Dimensional Multispecies Transport Model User Guide to the

    E-Print Network [OSTI]

    Zheng, Chunmiao

    .M. Cozzarelli, M.H. Lahvis, and B.A. Bekins. 1998. Ground water contamination by crude oil near Bemidji (LNAPL) contaminant through the unsaturated zone and the formation of an oil lens on the water tableMT3DMS, A Modular Three-Dimensional Multispecies Transport Model ­ User Guide to the Hydrocarbon

  15. Hybrid Rule-Based Example-Based MT: Feeding Apertium with Sub-sentential Translation Units

    E-Print Network [OSTI]

    Way, Andy

    Hybrid Rule-Based ­ Example-Based MT: Feeding Apertium with Sub-sentential Translation Units Felipe S´anchez-Mart´inez Mikel L. Forcada Andy Way Dept. Llenguatges i Sistemes Inform`atics Universitat University Dublin 9, Ireland {mforcada,away}@computing.dcu.ie Abstract This paper describes a hybrid machine

  16. Stress magnitude and its temporal variation at Mt. Asama Volcano, Japan, from seismic anisotropy and GPS

    E-Print Network [OSTI]

    Utrecht, Universiteit

    Stress magnitude and its temporal variation at Mt. Asama Volcano, Japan, from seismic anisotropy stress Japan The Earth's stress regime is fundamental to its physical processes, yet few methods can determine absolute stress, and measurements of temporal variations in stress are controversial. The Global

  17. Some Effects of Mt. St. Helens Volcanic Ash on Juvenile Salmon Smolts

    E-Print Network [OSTI]

    Some Effects of Mt. St. Helens Volcanic Ash on Juvenile Salmon Smolts TIMOTHY W. NEWCOMB and THOMAS. Helens, which was completely decimated with vol- canic ash and mud slides. Heavy sediment loads smolts were exposed to various concentrations ofairborne volcanic ash from the 18 May 1980 eruption

  18. High-latitude vegetation dynamics: 850 years of vegetation development on Mt Hekla, Iceland 

    E-Print Network [OSTI]

    Cutler, Nick

    2008-01-01

    on Mt Hekla in south-central Iceland. The chronosequence approach was used to infer 850 years of vegetation development from a suite of 14 lava flows (five of which had been disturbed by the deposition of volcanic tephra). The thesis is organised around...

  19. Geophys. 1. R. astr. Soc. (1987),89,7-18 MT and reflection: an essential combination

    E-Print Network [OSTI]

    Jones, Alan G.

    1987-01-01

    ) studies and seismic reflection profiles conducted. Unfortunately, over many more regions the seismic of the magnetotelluric (MT) technique as having a vertical resolution equivalent to the seismic refraction method, in almost every case, be made wherever a seismic reflection survey is undertaken. Examples are shown from

  20. Null geodesics and shadow of a rotating black hole in extended Chern-Simons modified gravity

    SciTech Connect (OSTI)

    Amarilla, Leonardo; Eiroa, Ernesto F.; Giribet, Gaston

    2010-06-15

    The Chern-Simons modification to general relativity in four dimensions consists of adding to the Einstein-Hilbert term a scalar field that couples to the first-class Pontryagin density. In this theory, which has attracted considerable attention recently, the Schwarzschild metric persists as an exact solution, and this is why this model resists several observational constraints. In contrast, the spinning black hole solution of the theory is not given by the Kerr metric but by a modification of it, so far only known for slow rotation and small coupling constant. In the present paper, we show that, in this approximation, the null geodesic equation can be integrated, and this allows us to investigate the shadow cast by a black hole. We discuss how, in addition to the angular momentum of the solution, the coupling to the Chern-Simons term deforms the shape of the shadow.

  1. A supermatrix model for N=6 super Chern-Simons-matter theory

    E-Print Network [OSTI]

    Drukker, Nadav

    2009-01-01

    We construct the Wilson loop operator of N=6 super Chern-Simons-matter which is invariant under half of the supercharges of the theory and is dual to the simplest macroscopic open string in AdS_4 x CP^3. The Wilson loop couples, in addition to the gauge and scalar fields of the theory, also to the fermions in the bi-fundamental representation of the U(N) x U(M) gauge group. These ingredients are naturally combined into a superconnection whose holonomy gives the Wilson loop, which can be defined for any representation of the supergroup U(N|M). Explicit expressions for loops supported along an infinite straight line and along a circle are presented. Using the localization calculation of Kapustin et al. we show that the circular loop is computed by a supermatrix model and discuss the connection to pure Chern-Simons theory with supergroup U(N|M).

  2. A supermatrix model for N=6 super Chern-Simons-matter theory

    E-Print Network [OSTI]

    Nadav Drukker; Diego Trancanelli

    2009-12-16

    We construct the Wilson loop operator of N=6 super Chern-Simons-matter which is invariant under half of the supercharges of the theory and is dual to the simplest macroscopic open string in AdS_4 x CP^3. The Wilson loop couples, in addition to the gauge and scalar fields of the theory, also to the fermions in the bi-fundamental representation of the U(N) x U(M) gauge group. These ingredients are naturally combined into a superconnection whose holonomy gives the Wilson loop, which can be defined for any representation of the supergroup U(N|M). Explicit expressions for loops supported along an infinite straight line and along a circle are presented. Using the localization calculation of Kapustin et al. we show that the circular loop is computed by a supermatrix model and discuss the connection to pure Chern-Simons theory with supergroup U(N|M).

  3. Quasi-hole solutions in finite noncommutative Maxwell-Chern-Simons theory

    E-Print Network [OSTI]

    Jules Lambert; M. B. Paranjape

    2007-05-15

    We study Maxwell-Chern-Simons theory in 2 noncommutative spatial dimensions and 1 temporal dimension. We consider a finite matrix model obtained by adding a linear boundary field which takes into account boundary fluctuations. The pure Chern-Simons has been previously shown to be equivalent to the Laughlin description of the quantum Hall effect. With the addition of the Maxwell term, we find that there exists a rich spectrum of excitations including solitons with nontrivial "magnetic flux" and quasi-holes with nontrivial "charges", which we describe in this article. The magnetic flux corresponds to vorticity in the fluid fluctuations while the charges correspond to sources of fluid fluctuations. We find that the quasi-hole solutions exhibit a gap in the spectrum of allowed charge.

  4. Vp-Vs ratio sensitivity to pressure, fluid, and lithology changes in tight gas sandstones Eugenia Rojas*, Thomas L. Davis, Michael Batzle, Manika Prasad, Colorado School of Mines, Golden, CO,

    E-Print Network [OSTI]

    in prospect identification in tight gas sandstone reservoirs, because they are related to good quality rocks and permeability, possible presence of natural fractures, uncertainty in gas/water contact and high possibilityVp-Vs ratio sensitivity to pressure, fluid, and lithology changes in tight gas sandstones Eugenia

  5. Predictive modeling of CO{sub 2} sequestration in deep saline sandstone reservoirs: Impacts of geochemical kinetics

    SciTech Connect (OSTI)

    Balashov, Victor N.; Guthrie, George D.; Hakala, J. Alexandra; Lopano, Christina L. J.; Rimstidt, Donald; Brantley, Susan L.

    2013-03-01

    One idea for mitigating the increase in fossil-fuel generated CO{sub 2} in the atmosphere is to inject CO{sub 2} into subsurface saline sandstone reservoirs. To decide whether to try such sequestration at a globally significant scale will require the ability to predict the fate of injected CO{sub 2}. Thus, models are needed to predict the rates and extents of subsurface rock-water-gas interactions. Several reactive transport models for CO{sub 2} sequestration created in the last decade predicted sequestration in sandstone reservoirs of ~17 to ~90 kg CO{sub 2} m{sup -3|. To build confidence in such models, a baseline problem including rock + water chemistry is proposed as the basis for future modeling so that both the models and the parameterizations can be compared systematically. In addition, a reactive diffusion model is used to investigate the fate of injected supercritical CO{sub 2} fluid in the proposed baseline reservoir + brine system. In the baseline problem, injected CO{sub 2} is redistributed from the supercritical (SC) free phase by dissolution into pore brine and by formation of carbonates in the sandstone. The numerical transport model incorporates a full kinetic description of mineral-water reactions under the assumption that transport is by diffusion only. Sensitivity tests were also run to understand which mineral kinetics reactions are important for CO{sub 2} trapping. The diffusion transport model shows that for the first ~20 years after CO{sub 2} diffusion initiates, CO{sub 2} is mostly consumed by dissolution into the brine to form CO{sub 2,aq} (solubility trapping). From 20-200 years, both solubility and mineral trapping are important as calcite precipitation is driven by dissolution of oligoclase. From 200 to 1000 years, mineral trapping is the most important sequestration mechanism, as smectite dissolves and calcite precipitates. Beyond 2000 years, most trapping is due to formation of aqueous HCO{sub 3}{sup -}. Ninety-seven percent of the maximum CO{sub 2} sequestration, 34.5 kg CO{sub 2} per m{sup 3} of sandstone, is attained by 4000 years even though the system does not achieve chemical equilibrium until ~25,000 years. This maximum represents about 20% CO{sub 2} dissolved as CO{sub 2},aq, 50% dissolved as HCO{sub 3}{sup -}{sub ,aq}, and 30% precipitated as calcite. The extent of sequestration as HCO{sub 3}{sup -} at equilibrium can be calculated from equilibrium thermodynamics and is roughly equivalent to the amount of Na+ in the initial sandstone in a soluble mineral (here, oligoclase). Similarly, the extent of trapping in calcite is determined by the amount of Ca2+ in the initial oligoclase and smectite. Sensitivity analyses show that the rate of CO{sub 2} sequestration is sensitive to the mineral-water reaction kinetic constants between approximately 10 and 4000 years. The sensitivity of CO{sub 2} sequestration to the rate constants decreases in magnitude respectively from oligoclase to albite to smectite.

  6. Isolated and Binary Neutron Stars in Dynamical Chern-Simons Gravity

    E-Print Network [OSTI]

    Kent Yagi; Leo C. Stein; Nicolas Yunes; Takahiro Tanaka

    2013-05-02

    We study isolated and binary neutron stars in dynamical Chern-Simons gravity. This theory modifies the Einstein-Hilbert action through the introduction of a dynamical scalar field coupled to the Pontryagin density. We here treat this theory as an effective model, working to leading order in the Chern-Simons coupling. We first construct isolated neutron star solutions in the slow-rotation expansion to quadratic order in spin. We find that isolated neutron stars acquire a scalar dipole charge that corrects its spin angular momentum to linear order in spin and corrects its mass and quadrupole moment to quadratic order in spin, as measured by an observer at spatial infinity. We then consider neutron stars binaries that are widely separated and solve for their orbital evolution in this modified theory. We find that the evolution of post-Keplerian parameters is modified, with the rate of periastron advance being the dominant correction at first post-Newtonian order. We conclude by applying these results to observed pulsars with the aim to place constraints on dynamical Chern-Simons gravity. We find that the modifications to the observed mass are degenerate with the neutron star equation of state, which prevents us from testing the theory with the inferred mass of the millisecond pulsar J1614-2230. We also find that the corrections to the post-Keplerian parameters are too small to be observable today even with data from the double binary pulsar J0737-3039. Our results suggest that pulsar observations are not currently capable of constraining dynamical Chern-Simons gravity, and thus, gravitational-wave observations may be the only path to a stringent constraint of this theory in the imminent future.

  7. LA TEORIA CHERN-SIMONS DESDE EL PUNTO DE VISTA DE LA MECANICA CUANTICA

    E-Print Network [OSTI]

    Gelca, Razvan

    LA TEOR´IA CHERN-SIMONS DESDE EL PUNTO DE VISTA DE LA MEC´ANICA CU´ANTICA Razvan Gelca Alejandro´umeros, sino vectores en el mismo espacio vectorial. Pues si M es una variedad con borde, a M se le asocia un espacio vectorial V (M), en qual toma valores el vector Z(M). #12;E. Witten: · V (M) es el espacio de

  8. doi:10.1152/jn.00158.2010104:1068-1076, 2010. First published 10 June 2010;J Neurophysiol Ethan S. Bromberg-Martin, Masayuki Matsumoto, Simon Hong and Okihide

    E-Print Network [OSTI]

    Ethan S. Bromberg-Martin, Masayuki Matsumoto, Simon Hong and Okihide Inferred Stimulus Values A Pallidus Inferred Stimulus Values Ethan S. Bromberg-Martin,1 Masayuki Matsumoto,1,2 Simon Hong,1 and Okihide

  9. J.ACCR, vol. 32, 2007, p. 3-16 Biodeterioration and Performance of Anti-graffiti Coatings on Sandstone and Marble

    E-Print Network [OSTI]

    3 J.ACCR, vol. 32, 2007, p. 3-16 Biodeterioration and Performance of Anti-graffiti Coatings sandstone and Mississquoi marble. Results suggested that the coatings affected the colour of the stones-graffiti coatings. The application of protective coatings can inadvertently provide a hydrocarbon source

  10. Characterization of Damage in Sandstones along the Mojave Section of the San Andreas Fault: Implications for the Shallow Extent of Damage

    E-Print Network [OSTI]

    Ben-Zion, Yehuda

    Characterization of Damage in Sandstones along the Mojave Section of the San Andreas Fault: Implications for the Shallow Extent of Damage Generation ORY DOR,1,5 JUDITH S. CHESTER,2 YEHUDA BEN-ZION,1 shallow generation of rock damage during an earthquake rupture, we measure the degree of fracture damage

  11. GEOPHYSICALRESEARCHLETTERS, VOL. 11, NO. 3, PAGES229-232, MARCH1984 MAGNETIC REMANENCE AND FABRIC PROPERTIES OF LABORATORY-DEPOSITED HEMATITE-BEARING RED SANDSTONE

    E-Print Network [OSTI]

    Torsvik, Trond Helge

    on the properties of DRM and magnetic fabric of hematite-bearing red sand-siltstone which was deposited to formGEOPHYSICALRESEARCHLETTERS, VOL. 11, NO. 3, PAGES229-232, MARCH1984 MAGNETIC REMANENCE AND FABRIC PROPERTIES OF LABORATORY-DEPOSITED HEMATITE-BEARING RED SANDSTONE R. L·vlie and T. Torsvik Geophysical

  12. Seismic attribute analysis of the Upper Morrow Sandstone and the Arbuckle Group from 3D-3C seismic data at Cutter Field, southwest Kansas

    E-Print Network [OSTI]

    Redger, Clyde Austin

    2015-05-31

    these reservoirs with seismic methods is challenging for a number of geophysical reasons. This study investigates the accuracy with which analysis of post-stack 3D-3C seismic data can delineate Upper Morrow Sandstone reservoirs and predict Arbuckle Group rock...

  13. Hazard assessment in geothermal exploration: The case of Mt. Parker, Southern Philippines

    SciTech Connect (OSTI)

    Delfin, F.G. Jr.; Salonga, N.D.; Bayon, F.E.B.

    1996-12-31

    Hazard assessment of the Mt. Parker geothermal prospect, conducted in parallel with the surface exploration from 1992 to 1994, was undertaken to determine the long-term suitability of the prospect for development. By comparison with other acidic magmatic-hydrothermal systems in the Philippines, the geochemical data indicated minimal input of acidic magmatic fluids into Mt. Parker`s hydrothermal system. This system was regarded to be a neutral-pH and high-enthalpy chloride reservoir with temperature of at least 200-250{degrees}C. These favorable geochemical indications contrasted sharply with the C-14 and volcanological data indicating a shallow magmatic body with a potential for future eruption. This hazard led PNOC EDC to discontinue the survey and abandon the prospect by late 1994. On September 6, 1995, a flashflood of non-volcanic origin from the caldera lake killed nearly 100 people on the volcano`s northwestern flank.

  14. PHYS 101 Lecture 37 -Latent heat and specific heat 37 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Lecture 37 - Latent heat and specific heat 37 - 1 © 2001 by David Boal, Simon Fraser and specific heat What's important: · latent heat at a phase change · specific heat of gases Demonstrations and specific heat 37 - 2 © 2001 by David Boal, Simon Fraser University. All rights reserved; further copying

  15. PHYS415 Lecture 6 -Path integral formalism 1 1996 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS415 Lecture 6 - Path integral formalism 1 © 1996 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited. #12;PHYS415 Lecture 6 - Path integral is strictly prohibited. #12;PHYS415 Lecture 6 - Path integral formalism 3 © 1996 by David Boal, Simon Fraser

  16. 4xx Chemistry Supplement 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    4xx Chemistry Supplement 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS4xx Supplement - Chemical bonds and geometry Bound.216 __________________________________________________________________ #12;4xx Chemistry Supplement 2 2010 by David Boal, Simon Fraser University. All rights reserved

  17. PHYS 211 Supplement #2 -Rutherford scattering S2 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 211 Supplement #2 - Rutherford scattering S2 - 1 © 2001 by David Boal, Simon Fraser University Supplement #2 - Rutherford scattering S2 - 2 © 2001 by David Boal, Simon Fraser University. All rights/2 ( / ) (4) The displacement of the asymptote is called the impact parameter b: #12;PHYS 211 Supplement #2

  18. PHYS 445 Supplement -Quick and dirty quantum mechanics S -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 445 Supplement - Quick and dirty quantum mechanics S - 1 © 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited. Supplement - Quick;PHYS 445 Supplement - Quick and dirty quantum mechanics S - 2 © 2001 by David Boal, Simon Fraser

  19. PHYS 211 Supplement #3 -Hamilton's variational principle S3 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 211 Supplement #3 - Hamilton's variational principle S3 - 1 © 2001 by David Boal, Simon Fraser Supplement #3 - Hamilton's variational principle S3 - 2 © 2001 by David Boal, Simon Fraser University. All direction. We do not assume F = ma, but rather solve: #12;PHYS 211 Supplement #3 - Hamilton's variational

  20. PHYS 4xx Mem 3 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 3 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 4xx Mem 3 - Mechanical instability and failure When a membrane boundary, Edisk = 4RV. dbl (a) (b) waterwater 2RV RV (a) (b) #12;PHYS 4xx Mem 3 2 2010 by David Boal, Simon

  1. PHYS 4xx Mem 8 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 8 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 4xx Mem 8 - Model for signal propagation (Note: the equation numbers 4xx Mem 8 2 2010 by David Boal, Simon Fraser University. All rights reserved; further copying

  2. PHYS 4xx Mem 7 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 7 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 4xx Mem 7 - The action potential in nerves Shapes of nerve cells in the same direction (in or out) while antiporters are #12;PHYS 4xx Mem 7 2 2010 by David Boal, Simon Fraser

  3. PHYS 4xx Mem 1 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 1 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 4xx Mem 1 - Composition and self-assembly of biomembranes choline ethanolamine glycerol serine #12;PHYS 4xx Mem 1 2 2010 by David Boal, Simon Fraser University. All

  4. PHYS 4xx Mem 6 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 6 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. 4xx Mem 6 - Van der Waals and electrostatic interactions Lecture Mem 5 A B #12;PHYS 4xx Mem 6 2 2010 by David Boal, Simon Fraser University. All rights reserved; further

  5. PHYS 4xx Mem 2 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 4xx Mem 2 1 2010 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 4xx Mem 2 - Compression and bending resistance In the next few = /a + a. S = xx = yy dp z y x #12;PHYS 4xx Mem 2 2 2010 by David Boal, Simon Fraser University. All

  6. The Energy Journal, Vol. 26, No. 1. Copyright 2005 by the IAEE. All rights reserved. * School of Resource and Environment Management, Simon Fraser University.

    E-Print Network [OSTI]

    83 The Energy Journal, Vol. 26, No. 1. Copyright ©2005 by the IAEE. All rights reserved. * School of Resource and Environment Management, Simon Fraser University. ** Corresponding author. Mail address: Mark Jaccard, School of Resource and Environmental Management, Simon Fraser University, Burnaby, BC, Canada, V5

  7. PHYS 390 Lecture 20 -Reactions III -Thermonuclear processes 20 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 390 Lecture 20 - Reactions III - Thermonuclear processes 20 - 1 © 2001 by David Boal, Simon - Reactions III - Thermonuclear processes What's Important: · energy-dependent cross sections · complete rate 20 - Reactions III - Thermonuclear processes 20 - 2 © 2001 by David Boal, Simon Fraser University

  8. PHYS 101 Lecture 10 -Work and kinetic energy 10 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    - Work and kinetic energy 10 - 3 © 2001 by David Boal, Simon Fraser University. All rights reservedPHYS 101 Lecture 10 - Work and kinetic energy 10 - 1 © 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. Lecture 10 - Work and Kinetic

  9. PHYS 390 Lecture 12 -Energy and temperature 12 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    . All rights reserved; further copying or resale is strictly prohibited. Lecture 12 - Energy - Energy and temperature 12 - 3 © 2001 by David Boal, Simon Fraser University. All rights reserved; fPHYS 390 Lecture 12 - Energy and temperature 12 - 1 © 2001 by David Boal, Simon Fraser University

  10. PHYS 101 Lecture 35 -Mechanics of biomaterials 35 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Lecture 35 - Mechanics of biomaterials 35 - 1 © 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. Lecture 35 - Mechanics A #12;PHYS 101 Lecture 35 - Mechanics of biomaterials 35 - 2 © 2001 by David Boal, Simon Fraser

  11. Rock Sampling At Mt Ranier Area (Frank, 1995) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, NewMichigan: Energy Resources JumpMt Ranier Area (Frank, 1995)

  12. Application of horizontal drilling in the development of a complex turbidite sandstone reservoir, Elk Hills Field, Kern County, California

    SciTech Connect (OSTI)

    Reid, S.A. (Bechtel Petroleum Operations, Inc., Tupman, CA (USA)); McJannet, G.S. (Dept. of Energy, Tupman, CA (USA)); Hart, O.D. (Chevron Inc., Tupman, CA (USA))

    1990-05-01

    Horizontal drilling techniques have been used at the Elk Hills field, to more effectively produce the complex 26R reservoir. This Stevens zone reservoir of the Miocene Monterey Formation contains turbid sediments deposited in a deep-sea fan setting and consists of several distinct sandstone layers averaging 150 ft thick and usually separated by mudstone beds. Layers in the reservoir dip as much as 50{degree} southwest. An expanding gas cap makes many vertical wells less favorable to operate. Horizontal completions were thought ideal for the pool because (1) original oil-water contact is level and believed stable, (2) water production is low, (3) a horizontal well provides for a long production life; and (4) several sandstone layers can be produced through one well. For the first well, the plan was to redrill an idle well to horizontal along an arc with a radius of 350 ft. The horizontal section was to be up to 1,000 ft long and extend northeast slightly oblique to dip just above the average oil-water contact. The well was drilled in September 1988, reached horizontal nearly as planned, was completed after perforating 210 ft of oil sand, and produced a daily average of 1,000 bbl oil and 8 bbl of water. However, structural influence was stronger than expected, causing the horizontal drill path to turn directly updip away from the bottom-hole target area. The well also encountered variable oil-water contacts, with more than half the horizontal section possibly water productive. Geologic and drilling data from the first well were used for planning another well. This well was drilled in October 1989, and was highly successful with over 1,000 ft of productive interval.

  13. EC305 Problem Set 1 1. Let x(t) = m(t) cos 2fct, where m(t) is a real lowpass signal with bandwidth W and

    E-Print Network [OSTI]

    Bhashyam, Srikrishna

    EC305 Problem Set 1 1. Let x(t) = m(t) cos 2fct, where m(t) is a real lowpass signal with bandwidth a bandpass signal x(t) = m1(t) cos 2fct - m2(t) sin 2fct. (a) Determine the in-phase and quadrature components of this signal when the local os- cillators used have a phase offset of , i.e., they are cos (2fct

  14. DOE Partnership Completes Successful CO2 Injection Test in the Mount Simon

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And StatisticsProgramof Energy ConsentCertify DOEDOE Names OakApril 8, 2014 DOEJuneSandstone |

  15. Application of Remote Sensing Technology and Ecological Modeling of Forest Carbon Stocks in Mt. Apo Natural Park, Philippines 

    E-Print Network [OSTI]

    Leal, Ligaya Rubas

    2015-01-23

    This dissertation work explored the application of remote sensing technology for the assessment of forest carbon storage in Mt. Apo Natural Park. Biomass estimation is traditionally conducted using destructive sampling with high levels...

  16. A Review of "The Emblem in Scandinavia and the Baltic" by Simon McKeown, and "Emblematic Paintings from Sweden's Age of Greatness. Nils Bielke and the Neo-Stoic Gallery at Skokloster" by Simon McKeown 

    E-Print Network [OSTI]

    Burman, Lars

    2009-01-01

    in Scandinavia and the Baltic. Ed. Simon McKeown and Mara R. Wade. Glasgow: Glasgow Emblem Studies 11, 2006. xxvi + 340 pp. + illus. ? 21.99. Simon McKeown, Emblematic Paintings from Sweden?s Age of Greatness. Nils Bielke and the Neo-Stoic Gallery..., but the Danish and Swedish realms were geographically vast, and the rise of Sweden as a European great power extraordinary. The cultural influx in Scandinavia was strong and quick, and it is interesting to reflect on how the rise of political influence...

  17. Sequence Stratigraphy and Detrital Zircon Geochronology of Middle-Late Ordovician Mt. Wilson Quartzite, British Columbia, Canada 

    E-Print Network [OSTI]

    Hutto, Andrew Paul

    2012-07-16

    STRATIGRAPHY AND DETRITAL ZIRCON GEOCHRONOLOGY OF MIDDLE-LATE ORDOVICIAN MT. WILSON QUARTZITE, BRITISH COLUMBIA CANADA A Thesis by ANDREW PAUL HUTTO Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE May 2012 Major Subject: Geology Sequence Stratigraphy and Detrital Zircon Geochronology of Middle-Late Ordovician Mt. Wilson...

  18. 2D Seismic Reflection Data across Central Illinois

    SciTech Connect (OSTI)

    Smith, Valerie; Leetaru, Hannes

    2014-09-30

    In a continuing collaboration with the Midwest Geologic Sequestration Consortium (MGSC) on the Evaluation of the Carbon Sequestration Potential of the Cambro-Ordovician Strata of the Illinois and Michigan Basins project, Schlumberger Carbon Services and WesternGeco acquired two-dimensional (2D) seismic data in the Illinois Basin. This work included the design, acquisition and processing of approximately 125 miles of (2D) seismic reflection surveys running west to east in the central Illinois Basin. Schlumberger Carbon Services and WesternGeco oversaw the management of the field operations (including a pre-shoot planning, mobilization, acquisition and de-mobilization of the field personnel and equipment), procurement of the necessary permits to conduct the survey, post-shoot closure, processing of the raw data, and provided expert consultation as needed in the interpretation of the delivered product. Three 2D seismic lines were acquired across central Illinois during November and December 2010 and January 2011. Traversing the Illinois Basin, this 2D seismic survey was designed to image the stratigraphy of the Cambro-Ordovician sections and also to discern the basement topography. Prior to this survey, there were no regionally extensive 2D seismic data spanning this section of the Illinois Basin. Between the NW side of Morgan County and northwestern border of Douglas County, these seismic lines ran through very rural portions of the state. Starting in Morgan County, Line 101 was the longest at 93 miles in length and ended NE of Decatur, Illinois. Line 501 ran W-E from the Illinois Basin – Decatur Project (IBDP) site to northwestern Douglas County and was 25 miles in length. Line 601 was the shortest and ran N-S past the IBDP site and connected lines 101 and 501. All three lines are correlated to well logs at the IBDP site. Originally processed in 2011, the 2D seismic profiles exhibited a degradation of signal quality below ~400 millisecond (ms) which made interpretation of the Mt. Simon and Knox sections difficult. The data quality also gradually decreased moving westward across the state. To meet evolving project objectives, in 2012 the seismic data was re-processed using different techniques to enhance the signal quality thereby rendering a more coherent seismic profile for interpreters. It is believed that the seismic degradation could be caused by shallow natural gas deposits and Quaternary sediments (which include abandoned river and stream channels, former ponds, and swamps with peat deposits) that may have complicated or changed the seismic wavelet. Where previously limited by seismic coverage, the seismic profiles have provided valuable subsurface information across central Illinois. Some of the interpretations based on this survey included, but are not limited to: - Stratigraphy generally gently dips to the east from Morgan to Douglas County. - The Knox Supergroup roughly maintains its thickness. There is little evidence for faulting in the Knox. However, at least one resolvable fault penetrates the entire Knox section. - The Eau Claire Formation, the primary seal for the Mt. Simon Sandstone, appears to be continuous across the entire seismic profile. - The Mt. Simon Sandstone thins towards the western edge of the basin. As a result, the highly porous lowermost Mt. Simon section is absent in the western part of the state. - Overall basement dip is from west to east. - Basement topography shows evidence of basement highs with on-lapping patterns by Mt. Simon sediments. - There is evidence of faults within the lower Mt. Simon Sandstone and basement rock that are contemporaneous with Mt. Simon Sandstone deposition. These faults are not active and do not penetrate the Eau Claire Shale. It is believed that these faults are associated with a possible failed rifting event 750 to 560 million years ago during the breakup of the supercontinent Rodinia.

  19. Gravitational Waves from Quasi-Circular Black Hole Binaries in Dynamical Chern-Simons Gravity

    E-Print Network [OSTI]

    Kent Yagi; Nicolas Yunes; Takahiro Tanaka

    2013-02-07

    Dynamical Chern-Simons gravity cannot be strongly constrained with current experiments because it reduces to General Relativity in the weak-field limit. This theory, however, introduces modifications in the non-linear, dynamical regime, and thus, it could be greatly constrained with gravitational waves from the late inspiral of black hole binaries. We complete the first self-consistent calculation of such gravitational waves in this theory. For favorable spin-orientations, advanced ground-based detectors may improve existing solar-system constraints by 6 orders of magnitude.

  20. Higher derivative extensions of $3d$ Chern-Simons models: conservation laws and stability

    E-Print Network [OSTI]

    D. S. Kaparulin; I. Yu. Karataeva; S. L. Lyakhovich

    2015-10-07

    We consider the class of higher derivative $3d$ vector field models with the field equation operator being a polynomial of the Chern-Simons operator. For $n$-th order theory of this type, we provide a general receipt for constructing $n$-parameter family of conserved second rank tensors. The family includes the canonical energy-momentum tensor, which is unbounded, while there are bounded conserved tensors that provide classical stability of the system for certain combinations of the parameters in the Lagrangian. We also demonstrate the examples of consistent interactions which are compatible with the requirement of stability.

  1. An alternative S-matrix for N=6 Chern-Simons theory ?

    E-Print Network [OSTI]

    Changrim Ahn; Rafael I. Nepomechie

    2009-03-05

    We have recently proposed an S-matrix for the planar limit of the N=6 superconformal Chern-Simons theory of Aharony, Bergman, Jafferis and Maldacena which leads to the all-loop Bethe ansatz equations conjectured by Gromov and Vieira. An unusual feature of this proposal is that the scattering of A and B particles is reflectionless. We consider here an alternative S-matrix, for which A-B scattering is not reflectionless. We argue that this S-matrix does not lead to the Bethe ansatz equations which are consistent with perturbative computations.

  2. Chern--Simons--Yang--Mills system in presence of Gribov horizon with fundamental Higgs matter

    E-Print Network [OSTI]

    Arturo J. Gomez; Sebastian Gonzalez; Silvio P. Sorella

    2015-09-29

    In this work we study the behaviour of Yang--Mills--Chern--Simons theory coupled to a Higgs field in the fundamental representation by taking into account the effects of the presence of the Gribov horizon. By analyzing the infrared structure of the gauge field propagator, both confined and de-confined regions can be detected. The confined region corresponds to the appearance of complex poles in the propagators, while the de-confined one to the presence of real poles. One can move from one region to another by changing the parameters of the theory.

  3. The string origin of dyonic ${\\cal N}=8$ supergravity and its simple Chern-Simons duals

    E-Print Network [OSTI]

    Adolfo Guarino; Daniel L. Jafferis; Oscar Varela

    2015-11-09

    We clarify the higher-dimensional origin of a class of dyonic gaugings of $D=4$ ${\\cal N}=8$ supergravity recently discovered, when the gauge group is chosen to be ISO(7). This dyonically-gauged maximal supergravity arises from consistent truncation of massive IIA supergravity on $S^6$, and its magnetic coupling constant descends directly from the Romans mass. The critical points of the supergravity uplift to new AdS$_4$ massive type IIA vacua. We identify the corresponding CFT$_3$ duals as super-Chern-Simons-matter theories with simple gauge group SU$(N)$, with level $k$ given by the Romans mass. In particular, we find a critical point that uplifts to the first explicit ${\\cal N}=2$ AdS$_4$ massive IIA background. We compute its free energy and that of the candidate dual Chern-Simons theory by localisation to a solvable matrix model, and find perfect agreement. This provides the first AdS$_4$/CFT$_3$ precision match in massive type IIA string theory.

  4. Radially excited rotating black holes in Einstein-Maxwell-Chern-Simons theory

    E-Print Network [OSTI]

    Jose Luis Blázquez-Salcedo; Jutta Kunz; Francisco Navarro-Lérida; Eugen Radu

    2015-06-25

    Rotating black holes in Einstein-Maxwell-Chern-Simons theory possess remarkable features, when the Chern-Simons coupling constant reaches a critical value. Representing single asymptotically flat black holes with horizons of spherical topology, they exhibit non-uniqueness. In particular, there even exist extremal and non-extremal black holes with the same sets of global charges. Both extremal and non-extremal black holes form sequences of radially excited solutions, that can be labeled by the node number of the magnetic gauge potential function. The extremal Reissner-Nordstr\\"om solution is no longer always located on the boundary of the domain of existence of these black holes, and it neither remains the single extremal solution with vanishing angular momentum. Instead a whole sequence of rotating extremal $J=0$ solutions is present, whose mass converges towards the mass of the Reissner-Nordstr\\"om solution. These radially excited extremal solutions are all associated with the same near horizon solution. Moreover, there are near horizon solutions that are not realized as global solutions.

  5. The string origin of dyonic N=8 supergravity and its simple Chern-Simons duals

    E-Print Network [OSTI]

    Guarino, Adolfo; Varela, Oscar

    2015-01-01

    We clarify the higher-dimensional origin of a class of dyonic gaugings of D=4 N=8 supergravity recently discovered, when the gauge group is chosen to be ISO(7). This dyonically-gauged maximal supergravity arises from consistent truncation of massive IIA supergravity on $S^6$, and its magnetic coupling constant descends directly from the Romans mass. The critical points of the supergravity uplift to new AdS4 massive type IIA vacua. We identify the corresponding CFT3 duals as super-Chern-Simons-matter theories with simple gauge group SU(N), with level k given by the Romans mass. In particular, we find a critical point that uplifts to the first explicit N=2 AdS4 massive IIA background. We compute its free energy and that of the candidate dual Chern-Simons theory by localisation to a solvable matrix model, and find perfect agreement. This provides the first AdS/CFT precision match in massive type IIA string theory.

  6. Havre, MT Natural Gas Pipeline Imports From Canada (Million Cubic Feet)

    Gasoline and Diesel Fuel Update (EIA)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustments (Billion Cubic Feet) Wyoming963 1.969CentralWellsMillion Cubic Feet) Havre, MT Natural Gas Pipeline

  7. Mechanism for Damage to DNA by Low-Energy Electrons Robyn Barrios, Piotr Skurski, and Jack Simons*

    E-Print Network [OSTI]

    Simons, Jack

    Mechanism for Damage to DNA by Low-Energy Electrons Robyn Barrios, Piotr Skurski, and Jack Simons electronic structure calculations on a portion of DNA, the results of which provide support for a mechanism that produces single-strand breaks (SSBs) with low-energy electrons. This mechanism involves attaching a low

  8. EXPERIMENTAL TESTS OF COMPETITIVE MARKETS FOR ELECTRIC POWER Simon Ede, Timothy Mount, William Schulze, Robert Thomas, Ray Zimmerman

    E-Print Network [OSTI]

    CSMAE06 EXPERIMENTAL TESTS OF COMPETITIVE MARKETS FOR ELECTRIC POWER Simon Ede, Timothy Mount@cornell.edu, rjt1@cornell.edu, rz10@cornell.edu Abstract Testing the performance of electricity markets have been shown to be efficient. There is evidence from operating electricity markets that prices can

  9. Aspects of co-occurring syllables and head nods in spontaneous dialogue Simon Alexanderson, David House, Jonas Beskow

    E-Print Network [OSTI]

    Beskow, Jonas

    Aspects of co-occurring syllables and head nods in spontaneous dialogue Simon Alexanderson, David of head nods taken from motion capture data of spontaneous dialogue in Swedish. The head nods were. While the peak rotation of the nod is on average aligned with the stressed syllable, the results show

  10. Title: Moving GIS into the Ocean Realm: Meeting the Need for Intelligent Authors: Simon Evans, Jeanne Murday and Richard Lawrence.

    E-Print Network [OSTI]

    Wright, Dawn Jeannine

    Title: Moving GIS into the Ocean Realm: Meeting the Need for Intelligent Data Authors: Simon Evans provides the means of capturing/modeling ocean data and enabling the existence of "intelligent data objects advances have been made to offer a plethora of specific marine data sensors (e.g., Swathe Echo Sounders

  11. The Influence of Mantle Petrology on Basin Subsidence During Rifting Nina S.C. Simon & Yuri Y. Podladchikov

    E-Print Network [OSTI]

    Simon, Nina

    The Influence of Mantle Petrology on Basin Subsidence During Rifting Nina S.C. Simon & Yuri Y-spinel and spinel plagioclase transitions in the lithospheric mantle have the most profound effect on uplift/subsidence- rift subsidence recorded in the basin is directly proportional to the total amount of plagioclase

  12. ELENA Creating a Smart Space for Learning Barbara Kieslinger, Bernd Simon, Gorazd Vrabic, Gustaf Neumann, Juan Quemada, Nicola

    E-Print Network [OSTI]

    Henze, Nicola

    ELENA ­ Creating a Smart Space for Learning Barbara Kieslinger, Bernd Simon, Gorazd Vrabic, Gustaf, Wolfgang Nejdl ABSTRACT The objective of the ELENA project is to demonstrate the feasibility of smart spaces for learning. Smart learning spaces are defined as educational service mediators, which allow

  13. Simon Holland 1 Artificial Intelligence in music education: a critical review Artificial Intelligence in music education: a critical review

    E-Print Network [OSTI]

    Holland, Simon

    © Simon Holland 1 Artificial Intelligence in music education: a critical review Artificial Intelligence in Music Education: a critical review. In Miranda, E. (ed.) Readings in Music and Artificial This paper reviews the principal approaches to using Artificial Intelligence in Music Education. Music

  14. Supersymmetric branes in AdS2S2 Aaron Simons, Andrew Strominger, David Thompson, and Xi Yin

    E-Print Network [OSTI]

    Romps, David M.

    Supersymmetric branes in AdS2S2 CY3 Aaron Simons, Andrew Strominger, David Thompson, and Xi Yin-BPS (Bogomol'nyi- Prasad-Sommerfield) configurations, which are static for some choice of global AdS2 requires alignment of all the charge vectors. The radial position of the branes in global AdS2

  15. SmartTunnel: Achieving Reliability in the Internet Yi Li, Yin Zhang, LiLi Qiu, Simon Lam

    E-Print Network [OSTI]

    Qiu, Lili

    1 SmartTunnel: Achieving Reliability in the Internet Yi Li, Yin Zhang, LiLi Qiu, Simon Lam's Internet. In this paper, we propose SmartTunnel, an end-to-end approach to achieving reliability. A SmartTunnel is a logical point-to-point tunnel between two end points that spans multiple physical network paths

  16. by Simon R. Phillpot and Alan J. H. McGaughey Department of Materials Science and Engineering,

    E-Print Network [OSTI]

    McGaughey, Alan

    of thermal transport. Applications include thermal barrier coatings on turbine blades, thermoelectric coolers of gases, gas-solid mixtures, and porous materials, but can be appreciable in solids at high temperaturesby Simon R. Phillpot and Alan J. H. McGaughey Department of Materials Science and Engineering

  17. An Economic Analysis of the Self Commitment of Thermal Units Simon Ede, Ray Zimmerman, Timothy Mount, Robert Thomas, William Schulze

    E-Print Network [OSTI]

    An Economic Analysis of the Self Commitment of Thermal Units Simon Ede, Ray Zimmerman, Timothy a series of economic experiments conducted at Cornell University's Laboratory for Experimental Economics Commitment In the most conventional form of economic dispatch, the problem facing the system operator

  18. Conceptual Model Summary Report Simulation Framework for Regional Geologic CO{sub 2} Storage Along Arches Province of Midwestern United States

    SciTech Connect (OSTI)

    None

    2011-06-30

    A conceptual model was developed for the Arches Province that integrates geologic and hydrologic information on the Eau Claire and Mt. Simon formations into a geocellular model. The conceptual model describes the geologic setting, stratigraphy, geologic structures, hydrologic features, and distribution of key hydraulic parameters. The conceptual model is focused on the Mt. Simon sandstone and Eau Claire formations. The geocellular model depicts the parameters and conditions in a numerical array that may be imported into the numerical simulations of carbon dioxide (CO{sub 2}) storage. Geophysical well logs, rock samples, drilling logs, geotechnical test results, and reservoir tests were evaluated for a 500,000 km{sup 2} study area centered on the Arches Province. The geologic and hydraulic data were integrated into a three-dimensional (3D) grid of porosity and permeability, which are key parameters regarding fluid flow and pressure buildup due to CO{sub 2} injection. Permeability data were corrected in locations where reservoir tests have been performed in Mt. Simon injection wells. The final geocellular model covers an area of 600 km by 600 km centered on the Arches Province. The geocellular model includes a total of 24,500,000 cells representing estimated porosity and permeability distribution. CO{sub 2} injection scenarios were developed for on-site and regional injection fields at rates of 70 to 140 million metric tons per year.

  19. Reservoir Characterization of Bridgeport and Cypress Sandstones in Lawrence Field Illinois to Improve Petroleum Recovery by Alkaline-Surfactant-Polymer Flood

    SciTech Connect (OSTI)

    Seyler, Beverly; Grube, John; Huff, Bryan; Webb, Nathan; Damico, James; Blakley, Curt; Madhavan, Vineeth; Johanek, Philip; Frailey, Scott

    2012-12-21

    Within the Illinois Basin, most of the oilfields are mature and have been extensively waterflooded with water cuts that range up to 99% in many of the larger fields. In order to maximize production of significant remaining mobile oil from these fields, new recovery techniques need to be researched and applied. The purpose of this project was to conduct reservoir characterization studies supporting Alkaline-Surfactant-Polymer Floods in two distinct sandstone reservoirs in Lawrence Field, Lawrence County, Illinois. A project using alkaline-surfactantpolymer (ASP) has been established in the century old Lawrence Field in southeastern Illinois where original oil in place (OOIP) is estimated at over a billion barrels and 400 million barrels have been recovered leaving more than 600 million barrels as an EOR target. Radial core flood analysis using core from the field demonstrated recoveries greater than 20% of OOIP. While the lab results are likely optimistic to actual field performance, the ASP tests indicate that substantial reserves could be recovered even if the field results are 5 to 10% of OOIP. Reservoir characterization is a key factor in the success of any EOR application. Reservoirs within the Illinois Basin are frequently characterized as being highly compartmentalized resulting in multiple flow unit configurations. The research conducted on Lawrence Field focused on characteristics that define reservoir compartmentalization in order to delineate preferred target areas so that the chemical flood can be designed and implemented for the greatest recovery potential. Along with traditional facies mapping, core analyses and petrographic analyses, conceptual geological models were constructed and used to develop 3D geocellular models, a valuable tool for visualizing reservoir architecture and also a prerequisite for reservoir simulation modeling. Cores were described and potential permeability barriers were correlated using geophysical logs. Petrographic analyses were used to better understand porosity and permeability trends in the region and to characterize barriers and define flow units. Diagenetic alterations that impact porosity and permeability include development of quartz overgrowths, sutured quartz grains, dissolution of feldspar grains, formation of clay mineral coatings on grains, and calcite cementation. Many of these alterations are controlled by facies. Mapping efforts identified distinct flow units in the northern part of the field showing that the Pennsylvanian Bridgeport consists of a series of thick incised channel fill sequences. The sandstones are about 75-150 feet thick and typically consist of medium grained and poorly sorted fluvial to distributary channel fill deposits at the base. The sandstones become indistinctly bedded distributary channel deposits in the main part of the reservoir before fining upwards and becoming more tidally influenced near their top. These channel deposits have core permeabilities ranging from 20 md to well over 1000 md. The tidally influenced deposits are more compartmentalized compared to the thicker and more continuous basal fluvial deposits. Fine grained sandstones that are laterally equivalent to the thicker channel type deposits have permeabilities rarely reaching above 250 md. Most of the unrecovered oil in Lawrence Field is contained in Pennsylvanian Age Bridgeport sandstones and Mississippian Age Cypress sandstones. These reservoirs are highly complex and compartmentalized. Detailed reservoir characterization including the development of 3-D geologic and geocellular models of target areas in the field were completed to identify areas with the best potential to recover remaining reserves including unswept and by-passed oil. This project consisted of tasks designed to compile, interpret, and analyze the data required to conduct reservoir characterization for the Bridgeport and Cypress sandstones in pilot areas in anticipation of expanded implementation of ASP flooding in Lawrence Field. Geologic and geocellular modeling needed for reservoir characterization and res

  20. Primordial massive gravitational waves from Einstein-Chern-Simons-Weyl gravity

    SciTech Connect (OSTI)

    Myung, Yun Soo; Moon, Taeyoon E-mail: tymoon@inje.ac.kr

    2014-08-01

    We investigate the evolution of cosmological perturbations during de Sitter inflation in the Einstein-Chern-Simons-Weyl gravity. Primordial massive gravitational waves are composed of one scalar, two vector and four tensor circularly polarized modes. We show that the vector power spectrum decays quickly like a transversely massive vector in the superhorizon limit z ? 0. In this limit, the power spectrum coming from massive tensor modes decays quickly, leading to the conventional tensor power spectrum. Also, we find that in the limit of m{sup 2} ? 0 (keeping the Weyl-squared term only), the vector and tensor power spectra disappear. It implies that their power spectra are not gravitationally produced because they (vector and tensor) are decoupled from the expanding de Sitter background, as a result of conformal invariance.

  1. Free Energy of D_n Quiver Chern-Simons Theories

    E-Print Network [OSTI]

    P. Marcos Crichigno; Christopher P. Herzog; Dharmesh Jain

    2012-11-06

    We apply the matrix model of Kapustin, Willett and Yaakov to compute the free energy of N=3 Chern-Simons matter theories with D_n quivers in the large N limit. We conjecture a general expression for the free energy that is explicitly invariant under Seiberg duality and show that it can be interpreted as a sum over certain graphs known as signed graphs. Through the AdS/CFT correspondence, this leads to a prediction for the volume of certain tri-Sasaki Einstein manifolds. We also study the unfolding procedure, which relates these D_n quivers to A_{2n-5} quivers. Furthermore, we consider the addition of massive fundamental flavor fields, verifying that integrating these out decreases the free energy in accordance with the F-theorem.

  2. Supersymmetric Wilson Loops in N=4 Super Chern-Simons-matter Theory

    E-Print Network [OSTI]

    Ouyang, Hao; Zhang, Jia-ju

    2015-01-01

    We investigate the supersymmetric Wilson loops in d=3 N=4 super Chern-Simons-matter theory obtained from non-chiral orbifold of ABJM theory. We work in both the Minkowski spacetime and Euclidean space, and we construct the 1/4 and 1/2 BPS Wilson loops. We also give a complete proof that the difference between 1/4 and 1/2 Wilson loops are Q-exact with Q being some supercharge preserved by both the 1/4 and 1/2 Wilson loops. This is important in applying the localization techniques to compute the vacuum expectation values of Wilson loops. We also study the M-theory dual of the 1/2 BPS circular Wilson loop.

  3. Supersymmetric Wilson loops in N=4 super Chern-Simons-matter theory

    E-Print Network [OSTI]

    Hao Ouyang; Jun-Bao Wu; Jia-ju Zhang

    2015-12-03

    We investigate the supersymmetric Wilson loops in $d=3$ $\\mathcal{N}=4$ super Chern-Simons-matter theory obtained from non-chiral orbifold of ABJM theory. We work in both Minkowski spacetime and Euclidean space, and we construct 1/4 and 1/2 BPS Wilson loops. We also provide a complete proof that the difference between 1/4 and 1/2 Wilson loops is $Q$-exact with $Q$ being some supercharge that is preserved by both the 1/4 and 1/2 Wilson loops. This plays an important role in applying the localization techniques to compute the vacuum expectation values of Wilson loops. We also study the M-theory dual of the 1/2 BPS circular Wilson loop.

  4. MT1-MMP promotes cell growth and ERK activation through c-Src and paxillin in three-dimensional collagen matrix

    SciTech Connect (OSTI)

    Takino, Takahisa; Tsuge, Hisashi; Ozawa, Terumasa [Department of Molecular Virology and Oncology, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192 (Japan)] [Department of Molecular Virology and Oncology, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192 (Japan); Sato, Hiroshi, E-mail: vhsato@kenroku.kanazawa-u.ac.jp [Department of Molecular Virology and Oncology, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192 (Japan)] [Department of Molecular Virology and Oncology, Cancer Research Institute, Kanazawa University, Kakuma-machi, Kanazawa 920-1192 (Japan)

    2010-06-11

    Membrane-type 1 matrix metalloproteinase (MT1-MMP) is essential for tumor invasion and growth. We show here that MT1-MMP induces extracellular signal-regulated kinase (ERK) activation in cancer cells cultured in collagen gel, which is indispensable for their proliferation. Inhibition of MT1-MMP by MMP inhibitor or small interfering RNA suppressed activation of focal adhesion kinase (FAK) and ERK in MT1-MMP-expressing cancer cells, which resulted in up-regulation of p21{sup WAF1} and suppression of cell growth in collagen gel. Cell proliferation was also abrogated by the inhibitor against ERK pathway without affecting FAK phosphorylation. MT1-MMP and integrin {alpha}{sub v}{beta}{sub 3} were shown to be involved in c-Src activation, which induced FAK and ERK activation in collagen gel. These MT1-MMP-mediated signal transductions were paxillin dependent, as knockdown of paxillin reduced cell growth and ERK activation, and co-expression of MT1-MMP with paxillin induced ERK activation. The results suggest that MT1-MMP contributes to proliferation of cancer cells in the extracellular matrix by activating ERK through c-Src and paxillin.

  5. Uranium hydrogeochemical and stream sediment reconnaissance of the Mt. Hayes NTMS quadrangle, Alaska

    SciTech Connect (OSTI)

    Not Available

    1981-05-01

    Results of a hydrogeochemical and stream sediment reconnaissance of the Mt. Hayes quadrangle, Alaska, are presented. In addition to this abbreviated data release, more complete data are available to the public in machine-readable form. In this data release are location data, field analyses, and Laboratory analyses of several different sample media. For the sake of brevity, many field site observations have not been included in this volume. These data are, however, available on the magnetic tape. Appendices A to D describe the sample media and summarize the analytical results for each medium. The data were subsetted by one of the Los Alamos National Laboratory (LANL) sorting programs into groups of stream sediment, lake sediment, stream water, lake water, and ground water samples. For each group which contains a sufficient number of observations, statistical tables, tables of raw data, and 1:1000000 scale maps of pertinent elements have been included in this report.

  6. On a Gopakumar-Vafa form of partition function of Chern-Simons theory on classical and exceptional lines

    E-Print Network [OSTI]

    R. L. Mkrtchyan

    2014-10-29

    We show that partition function of Chern-Simons theory on three-sphere with classical and exceptional groups (actually on the whole corresponding lines in Vogel's plane) can be represented as ratio of respectively triple and double sine functions (last function is essentially a modular quantum dilogarithm). The product representation of sine functions gives Gopakumar-Vafa structure form of partition function, which in turn gives a corresponding integer invariants of manifold after geometrical transition. In this way we suggest to extend gauge/string duality to exceptional groups, although one still have to resolve few problems. In both classical and exceptional cases an additional terms, non-perturbative w.r.t. the string coupling constant, appear. The full universal partition function of Chern-Simons theory on three-sphere is shown to be the ratio of quadruple sine functions. We also briefly discuss the matrix model for exceptional line.

  7. EIS-0092: Conversion to Coal, Holyoke Water Power Company, Mt. Tom Generating Station Unit 1 Holyoke, Hampden County, Massachusetts

    Broader source: Energy.gov [DOE]

    The Economic Regulatory Administration prepared this statement to assess the environmental impacts of prohibiting Unit 1 of the Mt. Tom Generation Station Unit 1 from using either natural gas or petroleum products as a primary energy source, which would result in the utility burning low-sulfur coal.

  8. The Mechanism of Inhibition of Antibody-based Inhibitors of Membrane-type Serine Protease 1 (MT-SP1)

    E-Print Network [OSTI]

    Craik, Charles S.

    The Mechanism of Inhibition of Antibody-based Inhibitors of Membrane-type Serine Protease 1 (MT-SP1, 600 16th St. Genentech Hall, San Francisco, CA 94143, USA The mechanisms of inhibition of two novel sc-SP1 at low pH, and is a standard mechanism inhibitor of the protease. The mechanisms of inhibition

  9. Randall-Sundrum brane universe arising from non-vanishing torsion in five-dimensional Chern-Simons gravity

    E-Print Network [OSTI]

    Fabrizio Cordonier-Tello; Fernando Izaurieta; Patricio Mella; Eduardo Rodríguez

    2015-06-16

    In stark contrast with the three-dimensional case, higher-dimensional Chern-Simons theories can have non-topological, propagating degrees of freedom. Finding those vacua that allow for the propagation of linear perturbations, however, proves to be surprisingly challenging. The simplest solutions are somehow "hyper-stable," and preclude the construction of realistic, four-dimensional physical models. In the context of Chern-Simons gravity, we show that endowing the vacuum with torsion can be helpful to overcome this problem. In particular, we consider a five-dimensional Chern-Simons gravity theory, off-shell gauge-invariant under the Weyl subgroup of the conformal group. We find a Lorentz-flat vacuum with non-vanishing torsion, which gives rise to propagating degrees of freedom on a Randall-Sundrum brane universe. On the brane, torsion vanishes in all the four-dimensional directions, and the metric perturbations propagate as standard gravitational waves on a four-dimensional Minkowski background. In the non-perturbative regime, the solution leads to a four-dimensional "cosmological function" $\\Lambda \\left( x \\right)$ which depends on the Euler density of the brane. As it is, this toy model leads to interesting accelerated cosmologies, but it also produces unphysical consequences. We argue that a supersymmetric extension of the theory, where the gravitini play the role of four-dimensional dark matter on the brane, may eliminate the unphysical behavior while keeping the other desired properties of the solution intact.

  10. Randall-Sundrum brane universe arising from non-vanishing torsion in five-dimensional Chern-Simons gravity

    E-Print Network [OSTI]

    Cordonier-Tello, Fabrizio; Mella, Patricio; Rodríguez, Eduardo

    2015-01-01

    In stark contrast with the three-dimensional case, higher-dimensional Chern-Simons theories can have non-topological, propagating degrees of freedom. Finding those vacua that allow for the propagation of linear perturbations, however, proves to be surprisingly challenging. The simplest solutions are somehow "hyper-stable," and preclude the construction of realistic, four-dimensional physical models. In the context of Chern-Simons gravity, we show that endowing the vacuum with torsion can be helpful to overcome this problem. In particular, we consider a five-dimensional Chern-Simons gravity theory, off-shell gauge-invariant under the Weyl subgroup of the conformal group. We find a Lorentz-flat vacuum with non-vanishing torsion, which gives rise to propagating degrees of freedom on a Randall-Sundrum brane universe. On the brane, torsion vanishes in all the four-dimensional directions, and the metric perturbations propagate as standard gravitational waves on a four-dimensional Minkowski background. In the non-pe...

  11. Diagenesis of sandstones from the Douglas Creek member of the Green River Formation (Eocene) at Red Wash field, Uintay County, Utah 

    E-Print Network [OSTI]

    Ray, Earl Scott

    1985-01-01

    . These wells, units 271 and 278 (Figure 2) are located near the edge of Red Wash field. Samples from Chevron uni t 278 were used in this study. Petrography Petrographic sections were prepared from core samples at intervals varying from . 25 to 1O m. A... OF SANDSTONES FROM THE DOUGLAS CREEK MEMBER OF THE GREEN RIVER FORMATION(EOCENE) AT RED WASH FIELDS UINTAH COUNTY@ UTAH A Thesis by EARL SCOTT RAY Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement...

  12. Silurian "Clinton" Sandstone Reservoir Characterization for Evaluation of CO2-EOR Potential in the East Canton Oil Field, Ohio

    SciTech Connect (OSTI)

    Riley, Ronald; Wicks, John; Perry, Christopher

    2009-12-30

    The purpose of this study was to evaluate the efficacy of using CO2-enhanced oil recovery (EOR) in the East Canton oil field (ECOF). Discovered in 1947, the ECOF in northeastern Ohio has produced approximately 95 million barrels (MMbbl) of oil from the Silurian “Clinton” sandstone. The original oil-in-place (OOIP) for this field was approximately 1.5 billion bbl and this study estimates by modeling known reservoir parameters, that between 76 and 279 MMbbl of additional oil could be produced through secondary recovery in this field, depending on the fluid and formation response to CO2 injection. A CO2 cyclic test (“Huff-n-Puff”) was conducted on a well in Stark County to test the injectivity in a “Clinton”-producing oil well in the ECOF and estimate the dispersion or potential breakthrough of the CO2 to surrounding wells. Eighty-one tons of CO2 (1.39 MMCF) were injected over a 20-hour period, after which the well was shut in for a 32-day “soak” period before production was resumed. Results demonstrated injection rates of 1.67 MMCF of gas per day, which was much higher than anticipated and no CO2 was detected in gas samples taken from eight immediately offsetting observation wells. All data collected during this test was analyzed, interpreted, and incorporated into the reservoir characterization study and used to develop the geologic model. The geologic model was used as input into a reservoir simulation performed by Fekete Associates, Inc., to estimate the behavior of reservoir fluids when large quantities of CO2 are injected into the “Clinton” sandstone. Results strongly suggest that the majority of the injected CO2 entered the matrix porosity of the reservoir pay zones, where it diffused into the oil. Evidence includes: (A) the volume of injected CO2 greatly exceeded the estimated capacity of the hydraulic fracture and natural fractures; (B) there was a gradual injection and pressure rate build-up during the test; (C) there was a subsequent, gradual flashout of the CO2 within the reservoir during the ensuing monitored production period; and (D) a large amount of CO2 continually off-gassed from wellhead oil samples collected as late as 3˝ months after injection. After the test well was returned to production, it produced 174 bbl of oil during a 60-day period (September 22 to November 21, 2008), which represents an estimated 58 percent increase in incremental oil production over preinjection estimates of production under normal, conditions. The geologic model was used in a reservoir simulation model for a 700-acre model area and to design a pilot to test the model. The model was designed to achieve a 1-year response time and a five-year simulation period. The reservoir simulation modeling indicated that the injection wells could enhance oil production and lead to an additional 20 percent recovery in the pilot area over a five-year period. The base case estimated that by injecting 500 MCF per day of CO2 into each of the four corner wells, 26,000 STBO would be produced by the central producer over the five-year period. This would compare to 3,000 STBO if a new well were drilled without the benefit of CO2 injection. This study has added significant knowledge to the reservoir characterization of the “Clinton” in the ECOF and succeeded in identifying a range on CO2-EOR potential. However, additional data on fluid properties (PVT and swelling test), fractures (oriented core and microseis), and reservoir characteristics (relative permeability, capillary pressure, and wet ability) are needed to further narrow the uncertainties and refine the reservoir model and simulation. After collection of this data and refinement of the model and simulation, it is recommended that a larger scale cyclic- CO2 injection test be conducted to better determine the efficacy of CO2-EOR in the “Clinton” reservoir in the ECOF.

  13. Silurian "Clinton" Sandstone Reservoir Characterization for Evaluation of CO2-EOR Potential in the East Canton Oil Field, Ohio

    SciTech Connect (OSTI)

    Ronald Riley; John Wicks; Christopher Perry

    2009-12-30

    The purpose of this study was to evaluate the efficacy of using CO2-enhanced oil recovery (EOR) in the East Canton oil field (ECOF). Discovered in 1947, the ECOF in northeastern Ohio has produced approximately 95 million barrels (MMbbl) of oil from the Silurian 'Clinton' sandstone. The original oil-in-place (OOIP) for this field was approximately 1.5 billion bbl and this study estimates by modeling known reservoir parameters, that between 76 and 279 MMbbl of additional oil could be produced through secondary recovery in this field, depending on the fluid and formation response to CO2 injection. A CO2 cyclic test ('Huff-n-Puff') was conducted on a well in Stark County to test the injectivity in a 'Clinton'-producing oil well in the ECOF and estimate the dispersion or potential breakthrough of the CO2 to surrounding wells. Eighty-one tons of CO2 (1.39 MMCF) were injected over a 20-hour period, after which the well was shut in for a 32-day 'soak' period before production was resumed. Results demonstrated injection rates of 1.67 MMCF of gas per day, which was much higher than anticipated and no CO2 was detected in gas samples taken from eight immediately offsetting observation wells. All data collected during this test was analyzed, interpreted, and incorporated into the reservoir characterization study and used to develop the geologic model. The geologic model was used as input into a reservoir simulation performed by Fekete Associates, Inc., to estimate the behavior of reservoir fluids when large quantities of CO2 are injected into the 'Clinton' sandstone. Results strongly suggest that the majority of the injected CO2 entered the matrix porosity of the reservoir pay zones, where it diffused into the oil. Evidence includes: (A) the volume of injected CO2 greatly exceeded the estimated capacity of the hydraulic fracture and natural fractures; (B) there was a gradual injection and pressure rate build-up during the test; (C) there was a subsequent, gradual flashout of the CO2 within the reservoir during the ensuing monitored production period; and (D) a large amount of CO2 continually off-gassed from wellhead oil samples collected as late as 3 1/2 months after injection. After the test well was returned to production, it produced 174 bbl of oil during a 60-day period (September 22 to November 21, 2008), which represents an estimated 58 percent increase in incremental oil production over preinjection estimates of production under normal, conditions. The geologic model was used in a reservoir simulation model for a 700-acre model area and to design a pilot to test the model. The model was designed to achieve a 1-year response time and a five-year simulation period. The reservoir simulation modeling indicated that the injection wells could enhance oil production and lead to an additional 20 percent recovery in the pilot area over a five-year period. The base case estimated that by injecting 500 MCF per day of CO2 into each of the four corner wells, 26,000 STBO would be produced by the central producer over the five-year period. This would compare to 3,000 STBO if a new well were drilled without the benefit of CO2 injection. This study has added significant knowledge to the reservoir characterization of the 'Clinton' in the ECOF and succeeded in identifying a range on CO2-EOR potential. However, additional data on fluid properties (PVT and swelling test), fractures (oriented core and microseis), and reservoir characteristics (relative permeability, capillary pressure, and wet ability) are needed to further narrow the uncertainties and refine the reservoir model and simulation. After collection of this data and refinement of the model and simulation, it is recommended that a larger scale cyclic-CO2 injection test be conducted to better determine the efficacy of CO2-EOR in the 'Clinton' reservoir in the ECOF.

  14. Digenetic Changes in Macro- to Nano-Scale Porosity in the St. Peter Sandstone:L An (Ultra) Small Angle Neutron Scattering and Backscattered Electron Imagining Analysis

    SciTech Connect (OSTI)

    Anovitz, Lawrence {Larry} M [ORNL; Cole, David [Ohio State University; Rother, Gernot [ORNL; Allard Jr, Lawrence Frederick [ORNL; Jackson, Andrew [NIST Center for Neutron Research (NCRN), Gaithersburg, MD; Littrell, Ken [ORNL

    2013-01-01

    Small- and Ultra-Small Angle Neutron Scattering (SANS and USANS) provide powerful tools for quantitative analysis of porous rocks, yielding bulk statistical information over a wide range of length scales. This study utilized (U)SANS to characterize shallowly buried quartz arenites from the St. Peter Sandstone. Backscattered electron imaging was also used to extend the data to larger scales. These samples contain significant volumes of large-scale porosity, modified by quartz overgrowths, and neutron scattering results show significant sub-micron porosity. While previous scattering data from sandstones suggest scattering is dominated by surface fractal behavior over many orders of magnitude, careful analysis of our data shows both fractal and pseudo-fractal behavior. The scattering curves are composed of subtle steps, modeled as polydispersed assemblages of pores with log-normal distributions. However, in some samples an additional surface-fractal overprint is present, while in others there is no such structure, and scattering can be explained by summation of non-fractal structures. Combined with our work on other rock-types, these data suggest that microporosity is more prevalent, and may play a much more important role than previously thought in fluid/rock interactions.

  15. A core-based assessment of the spatial relationship of small faults associated with a basement-controlled, large normal fault in the Hickory Sandstone 

    E-Print Network [OSTI]

    Graff, Mitchell C

    2006-10-30

    K N 0 1 mile 1 km0 UD D U D U U DD D U U C p gC r hC C C r hC p gC p gC p gC r hC r hC r hC K atemcy Study A r ea U K C r hC p gC Cretaceous Cambrian rocks above Hickory Sandstone Hickory Sandstone T own Mountain... 349 350 g f e d h c b a x z y g=5 f=6 e=14 d=17 h=? c=? b=? a=? x=7 z=11 y=? 1 cg 1 cg 2 cg 2 cg 1.5 fg 2 fg 4 fg 1 cg 1 cg 0.5 cg N35E 43NW N70E 82SE N50E 59SE N50E 52NW N35E 81SE N30E 53SE N45E 61SE N60E 76SE...

  16. Erosional remnants and adjacent unconformities along an eolian-marine boundary of the Page Sandstone and Carmel Formation, Middle Jurassic, south-central Utah

    SciTech Connect (OSTI)

    Jones, L.S.; Blakey, R.C. (Univ. of Northern Arizona, Flagstaff, AZ (United States). Dept. of Geology)

    1993-09-01

    Sandstone ridges along the marine-eolian boundary of the Middle Jurassic Page Sandstone (eolian) with the lower Carmel Formation (restricted marine) in south-central Utah have been identified as erosional remnants consisting of strata of siliciclastic sabkha and eolian origin. The ridges lie within two distinct units of the Thousand Pockets Tongue of the Page. Two equally plausible models explain the genesis of these ridges. One model involves (1) early cementation of eolian and sabkha strata, (2) wind erosion leading to development of yardangs and unconformities, (3) yardang tilting due to evaporite dissolution, and (4) renewed deposition and burial. The alternative model explains ridge development through (1) subsidence, with tilting, of eolian and sabkha strata into evaporites due to loading from linear dunes, (2) evaporite dissolution and unconformity development, and (3) renewed deposition and burial. These models provide important clues about the nature of a missing part of the rock record. Reconstruction of units that were deposited but later eroded improves paleogeographic interpretation and here indicates that the Carmel paleo-shoreline was considerably farther to the northwest than previously believed.

  17. Couplings between Chern-Simons gravities and 2p-branes

    SciTech Connect (OSTI)

    Miskovic, Olivera; Zanelli, Jorge

    2009-08-15

    The interaction between Chern-Simons (CS) theories and localized external sources (2p-branes) is analyzed. This interaction generalizes the minimal coupling between a point charge (0-brane) and a gauge connection. The external currents that define the 2p branes are covariantly constant (D-2p-1)-forms coupled to (2p-1) CS forms. The general expression for the sources--charged with respect to the corresponding gauge algebra--is presented, focusing on two special cases: 0-branes and (D-3)-branes. In any dimension, 0-branes are constructed as topological defects produced by a surface deficit of (D-2)-sphere in anti-de Sitter space, and they are not constant curvature spaces for D>3. They correspond to dimensionally continued black holes with negative mass. On the other hand, in the case of CS (super) gravities, the (D-3)-branes are naked conical singularities (topological defects) obtained by identification of points with a Killing vector. In 2+1 dimensions, extremal spinning branes of this type are Bogomol'nyi-Prasad-Sommerfield states. Stable (D-3)-branes are shown to exist also in higher dimensions, as well. Classical field equations are also discussed, and in the presence of sources there is a large number of inequivalent and disconnected sectors in solution space.

  18. The generalized cusp in ABJ(M) N = 6 Super Chern-Simons theories

    E-Print Network [OSTI]

    Griguolo, Luca; Martelloni, Gabriele; Seminara, Domenico

    2012-01-01

    We construct a generalized cusped Wilson loop operator in N = 6 super Chern-Simons-matter theories which is locally invariant under half of the supercharges. It depends on two parameters and interpolates smoothly between the 1/2 BPS line or circle and a pair of antiparallel lines, representing a natural generalization of the quark-antiquark potential in ABJ(M) theories. For particular choices of the parameters we obtain 1/6 BPS configurations that, mapped on S^2 by a conformal transformation, realize a three-dimensional analogue of the wedge DGRT Wilson loop of N = 4. The cusp couples, in addition to the gauge and scalar fields of the theory, also to the fermions in the bifundamental representation of the U(N)xU(M) gauge group and its expectation value is expressed as the holonomy of a suitable superconnection. We discuss the definition of these observables in terms of traces and the role of the boundary conditions of fermions along the loop. We perform a complete two-loop analysis, obtaining an explicit resu...

  19. The generalized cusp in ABJ(M) N = 6 Super Chern-Simons theories

    E-Print Network [OSTI]

    Luca Griguolo; Daniele Marmiroli; Gabriele Martelloni; Domenico Seminara

    2013-06-20

    We construct a generalized cusped Wilson loop operator in N = 6 super Chern-Simons-matter theories which is locally invariant under half of the supercharges. It depends on two parameters and interpolates smoothly between the 1/2 BPS line or circle and a pair of antiparallel lines, representing a natural generalization of the quark-antiquark potential in ABJ(M) theories. For particular choices of the parameters we obtain 1/6 BPS configurations that, mapped on S^2 by a conformal transformation, realize a three-dimensional analogue of the wedge DGRT Wilson loop of N = 4. The cusp couples, in addition to the gauge and scalar fields of the theory, also to the fermions in the bifundamental representation of the U(N)xU(M) gauge group and its expectation value is expressed as the holonomy of a suitable superconnection. We discuss the definition of these observables in terms of traces and the role of the boundary conditions of fermions along the loop. We perform a complete two-loop analysis, obtaining an explicit result for the generalized cusp at the second non-trivial order, from which we read off the interaction potential between heavy 1/2 BPS particles in the ABJ(M) model. Our results open the possibility to explore in the three-dimensional case the connection between localization properties and integrability, recently advocated in D = 4.

  20. Probing Wilson loops in ${\\cal N}=4$ Chern-Simons-matter theories at weak coupling

    E-Print Network [OSTI]

    Griguolo, Luca; Mauri, Andrea; Penati, Silvia; Seminara, Domenico

    2015-01-01

    For three-dimensional ${\\cal N}=4$ super Chern-Simons-matter theories associated to necklace quivers $U(N_0) \\times U(N_1) \\times \\cdots U(N_{2r-1}) $, we study at quantum level the two kinds of 1/2 BPS Wilson loop operators recently introduced in arXiv:1506.07614. We perform a two-loop evaluation and find the same result for the two kinds of operators, so moving to higher loops a possible quantum uplift of the classical degeneracy. We also compute the 1/4 BPS bosonic Wilson loop and discuss the quantum version of the cohomological equivalence between fermionic and bosonic Wilson loops. We compare the perturbative result with the Matrix Model prediction and find perfect matching, after identification and remotion of a suitable framing factor. Finally, we discuss the potential appearance of three-loop contributions that might break the classical degeneracy and briefly analyse possible implications on the BPS nature of these operators.

  1. Applications of stable isotopes in hydrological studies of Mt. Apo geothermal field, Philippines

    SciTech Connect (OSTI)

    Salonga, N.D.; Aragon, G.M.; Nogara, J.B.; Sambrano, B.G.

    1996-12-31

    The local precipitation in Mt. Apo is depleted of heavy isotopes owing to high elevation and landward location of the field. Rainwaters infiltrate the shallow grounds, circulate in short distances with almost no interaction with the host bed rocks, and effuse in the surface as cold springs. Lakes and rivers are affected by surface evaporation while the acid SO{sub 4} springs are affected by both evaporation and steam-heating. Only the neutral-pH Cl springs have the signature of the deep thermal fluids. The parent fluids of the deep thermal brine contain Cl of 4,800 to 5,000 mg/kg, {delta}{sup 18}O of -4.62 to -4.13 {per_thousand} and {delta}{sup 2}H of -60.0 to -57.8 {per_thousand}. Inside the Sandawa Collapse, boiling of the parent fluids resulted in a two-phase reservoir with lighter isotope contents. The thermal fluids laterally flow towards the west where they are affected by cooling and mixing of cold waters. Deep water recharge has {delta}{sup 18}O of -10.00 {per_thousand} and {delta}{sup 2}H = -61.20 {per_thousand} which come from the upper slopes of Sandawa Collapse (1580-1700 mASL).

  2. Four-year prospective study of the respiratory effects of volcanic ash from Mt. St. Helens

    SciTech Connect (OSTI)

    Buist, A.S.; Vollmer, W.M.; Johnson, L.R.; Bernstein, R.S.; McCamant, L.E.

    1986-04-01

    This report describes the 4-yr follow-up of 712 loggers exposed over an extended period to varying levels of fresh volcanic ash from the 1980 eruptions of Mt. St. Helens. Concerns related to the irritant effect the ash might have on the airways and also to its fibrogenic potential if exposures were intense and continued over many years. Our subjects were divided into 3 groups: high, low, and no exposure. Baseline testing was begun in June 1980, 1 month after the major eruption, and follow-up testing continued on an annual basis through 1984; 88% of the loggers have been tested at least 3 times. Analysis of lung function data showed that a significant, exposure-related decline in FEV1 occurred during the first year after the eruption. The decline was short-lived, however, and by 1984 the differences between exposure groups were no longer significant. Self-reported symptoms of cough, phlegm, and wheeze showed a similar pattern. No ash-related changes were seen in chest roentgenograms taken in 1980 and in 1984. Our findings are consistent with the hypothesis that the inhaled ash caused mucus hypersecretion and/or airway inflammation that reversed when the exposure levels decreased. The ash levels to which the loggers were exposed were low compared with permissible occupational levels for nuisance dusts, but generally higher than the total suspended particulate levels permissible in ambient air.

  3. Assignment 4 BS4a Actuarial Science Oxford MT 2011 IX A.4 Inflation, taxation and project appraisal

    E-Print Network [OSTI]

    Winkel, Matthias

    Assignment 4 ­ BS4a Actuarial Science ­ Oxford MT 2011 IX A.4 Inflation, taxation and project are indexed by reference to the value of a retail price index with a time lag of 8 months. The retail price index value in September 1996 was Q(-8/12) = 200 and in March 1997 was Q(-2/12) = 206. The issue price

  4. Dark Matter Particle Spectroscopy at the LHC: Generalizing M(T2) to Asymmetric Event Topologies

    SciTech Connect (OSTI)

    Konar, Partha; Kong, Kyoungchul; Matchev, Konstantin T.; Park, Myeonghun; /Florida U.

    2012-04-03

    We consider SUSY-like missing energy events at hadron colliders and critically examine the common assumption that the missing energy is the result of two identical missing particles. In order to experimentally test this hypothesis, we generalize the subsystem M{sub T2} variable to the case of asymmetric event topologies, where the two SUSY decay chains terminate in different 'children' particles. In this more general approach, the endpoint M{sub T2(max)} of the M{sub T2} distribution now gives the mass {tilde M}p({tilde M}{sub c}{sup (a)}, {tilde M}{sub c}{sup (b)}) of the parent particles as a function of two input children masses {tilde M}{sub c}{sup (a)} and {tilde M}{sub c}{sup (b)}. We propose two methods for an independent determination of the individual children masses M{sub c}{sup (a)} and M{sub c}{sup (b)}. First, in the presence of upstream transverse momentum PUTM the corresponding function {tilde M}p({tilde M}{sub c}{sup (a)}, {tilde M}{sub c}{sup (b)}, P{sub UTM}) is independent of P{sub UTM} at precisely the right values of the children masses. Second, the previously discussed MT2 'kink' is now generalized to a 'ridge' on the 2-dimensional surface {tilde M}p({tilde M}{sub c}{sup (a)}, {tilde M}{sub c}{sup (b)}). As we show in several examples, quite often there is a special point along that ridge which marks the true values of the children masses. Our results allow collider experiments to probe a multi-component dark matter sector directly and without any theoretical prejudice.

  5. Uranium hydrogeochemical and stream-sediment reconnaissance of the Mt. Michelson NTMS quadrangle, Alaska

    SciTech Connect (OSTI)

    Zinkl, R.J.; Shettel, D.L. Jr.; Langfeldt, S.L.; Hardy, L.C.; D'Andrea, R.F. Jr.

    1982-04-01

    This report presents results of a Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) of the Mt. Michelson NTMS quadrangle, Alaska. In addition to this abbreviated data release, more complete data are available to the public in machine-readable form. These machine-readable data, as well as quarterly or semiannual program progress reports containing further information on the HSSR program in general, or on the Los Alamos National Laboratory (LANL) portion of the program in particular, are available from DOE's Technical Library at its Grand Junction Area Office. Presented in this data release are location data, field analyses, and laboratory analyses of several different sample media. For the sake of brevity, many field site observations have not been included in this volume; these data are, however, available on the magnetic tape. Appendices A and B describe the sample media and summarize the analytical results for each medium. The data have been subdivided by one of the Los Alamos National Laboratory sorting programs of Zinkl and others (1981a) into groups of stream-sediment and lake-sediment samples. For each group which contains a sufficient number of observations, statistical tables, tables of raw data, and 1:1,000,000 scale maps of pertinent elements have been included in this report. Also included are maps showing results of multivariate statistical analyses. Information on the field and analytical procedures used by the Los Alamos National Laboratory during sample collection and analysis may be found in any HSSR data release prepared by the Laboratory and will not be included in this report.

  6. PHYS 445 Lecture 9 -Temperature and specific heat 9 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 445 Lecture 9 - Temperature and specific heat 9 - 1 © 2001 by David Boal, Simon Fraser and specific heat What's Important: · thermal equilibrium · temperature · zeroth law of thermodynamics · equipartition theorem · specific heat of an ideal gas Text: Reif Approach to equilibrium (thermal) Let's return

  7. Randomized min-max optimization: the exact risk of multiple cost levels Algo Car`e, Simone Garatti, Marco C. Campi

    E-Print Network [OSTI]

    Garatti, Simone

    . Our goal is to evaluate the risks associated to the various costs, where the risk associated to a cost. This evaluation characterizes completely the risks associated to the costs, and represents a full-fledged resultRandomized min-max optimization: the exact risk of multiple cost levels Algo Car`e, Simone Garatti

  8. Modelling and Administration of Contract-Based Simon Miles and Nir Oren and Michael Luck and Sanjay Modgil and Nora Faci 1

    E-Print Network [OSTI]

    Luck, Michael

    of the contract life-cycle, we need to specify the functionality required of a contract management architecture of that architecture. 1 King's College London, UK, email: simon.miles@kcl.ac.uk 2 Lost Wax, UK The CONTRACT project3 framework and architecture specification in which nor- mative business contracts can be electronically

  9. PHYS 101 Lecture 7 -Problem-solving 7 - 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Lecture 7 - Problem-solving 7 - © 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. 1 Lecture 7 - Problem-solving What's important: · techniques for solving dynamics problems Problem-solving Here, we give a series of examples to illustrate

  10. PHYS 101 Supplement #2 -Movement and motors in the cell 1 2002 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Supplement #2 - Movement and motors in the cell 1 ©2002 by David Boal, Simon Fraser - Movement and motors in the cell Cells are more than just passive objects responding to external stresses the filaments and then the principal motor proteins involved with their movement. Actin and tubulin filaments

  11. Appendix C extra -Grand canonical ensemble Cx5 -1 2002 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    Appendix C extra - Grand canonical ensemble Cx5 - 1 © 2002 by David Boal, Simon Fraser University ) exp(-�E o ) = Z · Z'. (Cx5.1) Lastly, quantities such as energy and entropy which depend on lnZ, are additive according to Eq. (Cx5.1). Entropy and probability In terms of the partition function, the entropy

  12. PHYS 211 Lecture 32 Wave power 32 -1 2002 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 211 Lecture 32 ­ Wave power 32 - 1 ©2002 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. Lecture 32 ­ Wave power Text: Symon, Mechanics, Chap. 8 Wave power Back in first year, we established that the instantaneous power given by a force F

  13. PHYS 101 Supplement 1 -Cell sizes and structures 1 2002 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Supplement 1 - Cell sizes and structures 1 ©2002 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. PHYS 101 Supplement #1 - Cell synaptic cleft Schematic representation of a nerve cell, with its extended axon. #12;PHYS 101 Supplement 1

  14. PHYS 211 Supplement #1 -Lorentz transformation S1 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 211 Supplement #1 - Lorentz transformation S1 - 1 © 2001 by David Boal, Simon Fraser on the clock illuminated by the flash.) #12;PHYS 211 Supplement #1 - Lorentz transformation S1 - 2 © 2001 must be valid for any arbitrary x,t . Hence, all of the coefficients #12;PHYS 211 Supplement #1

  15. PHYS 390 Lecture 35 -Universal helium abundance 35 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    helium abundance What's important: · proton/neutron ratio · helium production in the early universe TextPHYS 390 Lecture 35 - Universal helium abundance 35 - 1 © 2001 by David Boal, Simon Fraser: Peebles, Chap. VIII Universal helium abundance We have described two characteristics of the Universe

  16. A Grey-Box Approach to Automated Mechanism Design Jinzhong Niu1,2, Kai Cai1, and Simon Parsons1,3

    E-Print Network [OSTI]

    Parsons, Simon

    A Grey-Box Approach to Automated Mechanism Design Jinzhong Niu1,2, Kai Cai1, and Simon Parsons1,3 1 presents an approach to automated mechanism design in the domain of double auctions. We describe a novel [10]. A mechanism is designed by hand, analyzed theoretically, and then revised as necessary

  17. Mineral hints at bright blue rocks deep in the Earth 12 March 2014 Last updated at 21:16 ET | By Simon Redfern Science writer

    E-Print Network [OSTI]

    Machel, Hans

    Mineral hints at bright blue rocks deep in the Earth 12 March 2014 Last updated at 21:16 ET | By Simon Redfern Science writer Minerals preserved in diamond have revealed hints of the bright blue and back, which it has." Blue planet Prof Joseph Smyth of the University of Colorado has spent many

  18. Tracking LQCD WorkflowsTracking LQCD Workflows Luciano Piccoli1,2, James N. Simone2, James B. Kowalkowski2, Xian-He Sun1

    E-Print Network [OSTI]

    Sun, Xian-He

    Tracking LQCD WorkflowsTracking LQCD Workflows Luciano Piccoli1,2, James N. Simone2, James B. Kowalkowski2, Xian-He Sun1 Donald J. Holmgren2, Nirmal Seenu2, Amitoj G. Singh2 1Illinois Institute. · Simplify recovery from execution failures. · Features missing from current workflow systems · Tracking

  19. PHYS 101 Lecture 22 -Standing and travelling waves 22 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 101 Lecture 22 - Standing and travelling waves 22 - 1 © 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited. Lecture 22 - Standing Demonstrations: · retort stand, elastic band, 0.5 kg mass, monochord Standing and Travelling Waves If we pluck

  20. MRI of the lung using hyperpolarized He-3 at very low magnetic field (3 mT)

    E-Print Network [OSTI]

    Bidinosti, C P; Tastevin, G; Vignaud, A; Nacher, P J

    2004-01-01

    Optical pumping of He-3 produces large (hyper) nuclear-spin polarizations independent of the magnetic resonance imaging (MRI) field strength. This allows lung MRI to be performed at reduced fields with many associated benefits, such as lower tissue susceptibility gradients and decreased power absorption rates. Here we present results of 2D imaging as well as accurate 1D gas diffusion mapping of the human lung using He-3 at very low field (3 mT). Furthermore, measurements of transverse relaxation in zero applied gradient are shown to accurately track pulmonary oxygen partial pressure, opening the way for novel imaging sequences.

  1. A polymorphism in metallothionein 1A (MT1A) is associated with cadmium-related excretion of urinary beta 2?microglobulin

    SciTech Connect (OSTI)

    Lei, Lijian; Department of Epidemiology, School of Public Health, Shanxi Medical University, Shanxi ; Chang, Xiuli; Rentschler, Gerda; Tian, Liting; Zhu, Guoying; Chen, Xiao; Jin, Taiyi; Broberg, Karin

    2012-12-15

    Objectives: Cadmium (Cd) toxicity of the kidney varies between individuals despite similar exposure levels. In humans Cd is mainly bound to metallothioneins (MT), which scavenge its toxic effects. Here we analyzed whether polymorphisms in MT genes MT1A and MT2A influence Cd-related kidney damage. Methods: In a cross-sectional study N = 512 volunteers were selected from three areas in South-Eastern China, which to varying degree were Cd-polluted from a smelter (control area [median Cd in urine U-Cd = 2.67 ?g/L], moderately [U-Cd = 4.23 ?g/L] and highly [U-Cd = 9.13 ?g/L] polluted areas). U-Cd and blood Cd (B-Cd) concentrations were measured by graphite-furnace atomic absorption spectrometry. MT1A rs11076161 (G/A), MT2A rs10636 (G/C) and MT2A rs28366003 (A/G) were determined by Taqman assays; urinary N-Acetyl-beta-(D)-Glucosaminidase (UNAG) by spectrometry, and urinary ?2-microglobulin (UB2M) by ELISA. Results: Higher B-Cd (natural log-transformed) with increasing number of MT1A rs11076161 A-alleles was found in the highly polluted group (p-value trend = 0.033; all p-values adjusted for age, sex, and smoking). In a linear model a significant interaction between rs11076161 genotype and B-Cd was found for UNAG (p = 0.001) and UB2M concentrations (p = 0.001). Carriers of the rs11076161 AA genotype showed steeper slopes for the associations between Cd in blood and natural log-transformed UB2M (? = 1.2, 95% CI 0.72–1.6) compared to GG carriers (? = 0.30, 95% CI 0.15–0.45). Also for UNAG (natural log-transformed) carriers of the AA genotype had steeper slopes (? = 0.55, 95% CI 0.27–0.84) compared to GG carriers (? = 0.018, 95% CI ? 0.79–0.11). Conclusions: MT1A rs11076161 was associated with B-Cd concentrations and Cd-induced kidney toxicity at high exposure levels. -- Highlights: ? Cadmium is toxic to the kidney but the susceptibility differs between individuals. ? The toxic effect of cadmium is scavenged by metallothioneins. ? A common variant of metallothionein 1A was genotyped in 512 cadmium exposed humans. ? Variant carriers of this polymorphism showed more kidney damage from cadmium. ? The frequency of these variants needs to be taken into account in risk assessment.

  2. LOCA simulation in the national research universal reactor program: postirradiation examination results for the third materials experiment (MT-3)

    SciTech Connect (OSTI)

    Rausch, W.N.

    1984-04-01

    A series of in-reactor experiments were conducted using full-length 32-rod pressurized water reactor (PWR) fuel bundles as part of the Loss-of-Coolant Accident (LOCA) Simulation Program. The third materials experiment (MT-3) was the sixth in the series of thermal-hydraulic and materials deformation/rutpure experiments conducted in the National Research Universal (NRU) reactor, Chalk River, Ontario, Canada. The main objective of the experiment was to evaluate ballooning and rupture during active two-phase cooling in the temperature range from 1400 to 1500/sup 0/F (1030 to 1090 K). The 12 test rods in the center of the 32-rod bundle were initially pressurized to 550 psi (3.8 MPa) to insure rupture in the correct temperature range. All 12 of the rods ruptured, with an average peak bundle strain of approx. 55%. The UKAEA also funded destructive postirradiation examination (PIE) of several of the ruptured rods from the MT-3 experiment. This report describes the work performed and presents the PIE results. Information obtained during the PIE included cladding thickness measurements metallography, and particle size analysis of the cracked and broken fuel pellets.

  3. Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV

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

    Khachatryan, V.

    2015-05-15

    Searches for supersymmetry (SUSY) are performed using a sample of hadronic events produced in 8 TeV pp collisions at the CERN LHC. The searches are based on the MT2 variable, which is a measure of the transverse momentum imbalance in an event. The data were collected with the CMS detector and correspond to an integrated luminosity of 19.5 fb?ą. Two related searches are performed. The first is an inclusive search based on signal regions defined by the value of the MT2 variable, the hadronic energy in the event, the jet multiplicity, and the number of jets identified as originating frommore »bottom quarks. The second is a search for a mass peak corresponding to a Higgs boson decaying to a bottom quark-antiquark pair, where the Higgs boson is produced as a decay product of a SUSY particle. For both searches, the principal backgrounds are evaluated with data control samples. No significant excess over the expected number of background events is observed, and exclusion limits on various SUSY models are derived.« less

  4. The massive fermion phase for the U(N) Chern-Simons gauge theory in D=3 at large N

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

    Bardeen, William A.

    2014-10-07

    We explore the phase structure of fermions in the U(N) Chern-Simons Gauge theory in three dimensions using the large N limit where N is the number of colors and the fermions are taken to be in the fundamental representation of the U(N) gauge group. In the large N limit, the theory retains its classical conformal behavior and considerable attention has been paid to possible AdS/CFT dualities of the theory in the conformal phase. In this paper we present a solution for the massive phase of the fermion theory that is exact to the leading order of ‘t Hooft’s large Nmore »expansion. We present evidence for the spontaneous breaking of the exact scale symmetry and analyze the properties of the dilaton that appears as the Goldstone boson of scale symmetry breaking.« less

  5. The massive fermion phase for the U(N) Chern-Simons gauge theory in D=3 at large N

    SciTech Connect (OSTI)

    Bardeen, William A.

    2014-10-07

    We explore the phase structure of fermions in the U(N) Chern-Simons Gauge theory in three dimensions using the large N limit where N is the number of colors and the fermions are taken to be in the fundamental representation of the U(N) gauge group. In the large N limit, the theory retains its classical conformal behavior and considerable attention has been paid to possible AdS/CFT dualities of the theory in the conformal phase. In this paper we present a solution for the massive phase of the fermion theory that is exact to the leading order of ‘t Hooft’s large N expansion. We present evidence for the spontaneous breaking of the exact scale symmetry and analyze the properties of the dilaton that appears as the Goldstone boson of scale symmetry breaking.

  6. Relating U(N)xU(N) to SU(N)xSU(N) Chern-Simons Membrane theories

    E-Print Network [OSTI]

    Neil Lambert; Constantinos Papageorgakis

    2010-04-14

    By integrating out the U(1)_B gauge field, we show that the U(n)xU(n) ABJM theory at level k is equivalent to a Z_k identification of the (SU(n)xSU(n))/Z_n Chern-Simons theory, but only when n and k are coprime. As a consequence, the k=1 ABJM model for two M2-branes in R^8 can be identified with the N=8 (SU(2)xSU(2))/Z_2 theory. We also conjecture that the U(2)xU(2) ABJM model at k=2 is equivalent to the N=8 SU(2)xSU(2)-theory.

  7. SEARCH FOR UNDERGROUND OPENINGS FOR IN SITU TEST FACILITIES IN CRYSTALLINE ROCK

    E-Print Network [OSTI]

    Wallenberg, H.A.

    2010-01-01

    Quartzite, Shale, Granodiorite Depth (ft) New Mexico GrantShale, Sandstone, Granite Stock Inactive (1979) NEW JERSEY Mt. Hope and Scrub Oaks Mines NEW MEXICO

  8. GEOCHEMICAL INVESTIGATIONS OF CO?-BRINE-ROCK INTERACTIONS OF THE KNOX GROUP IN THE ILLINOIS BASIN

    SciTech Connect (OSTI)

    Yoksoulian, Lois; Berger, Peter; Freiburg, Jared; Butler, Shane; Leetaru, Hannes

    2014-09-30

    Increased output of greenhouse gases, particularly carbon dioxide (CO?), into the atmosphere from anthropogenic sources is of great concern. A potential technology to reduce CO? emissions is geologic carbon sequestration. This technology is currently being evaluated in the United States and throughout the world. The geology of the Illinois Basin exhibits outstanding potential as a carbon sequestration target, as demonstrated by the ongoing Illinois Basin – Decatur Project that is using the Mt. Simon Sandstone reservoir and Eau Claire Shale seal system to store and contain 1 million tonnes of CO?. The Knox Group-Maquoketa Shale reservoir and seal system, located stratigraphically above the Mt. Simon Sandstone-Eau Claire Shale reservoir and seal system, has little economic value as a resource for fossil fuels or as a potable water source, making it ideal as a potential carbon sequestration target. In order for a reservoir-seal system to be effective, it must be able to contain the injected CO? without the potential for the release of harmful contaminants liberated by the reaction between CO?-formation fluids and reservoir and seal rocks. This study examines portions of the Knox Group (Potosi Dolomite, Gunter Sandstone, New Richmond Sandstone) and St. Peter Sandstone, and Maquoketa Shale from various locations around the Illinois Basin. A total of 14 rock and fluid samples were exposed to simulated sequestration conditions (9101–9860 kPa [1320–1430 psi] and 32°–42°C [90°– 108°F]) for varying amounts of time (6 hours to 4 months). Knox Group reservoir rocks exhibited dissolution of dolomite in the presence of CO? as indicated by petrographic examination, X-ray diffraction analysis, and fluid chemistry analysis. These reactions equilibrated rapidly, and geochemical modeling confirmed that these reactions reached equilibrium within the time frames of the experiments. Pre-reaction sample mineralogy and postreaction fluid geochemistry from this study suggests only limited potential for the release of United States Environmental Protection Agency regulated inorganic contaminants into potable water sources. Short-term core flood experiments further verify that the carbonate reactions occurring in Knox Group reservoir samples reach equilibrium rapidly. The core flood experiments also lend insight to pressure changes that may occur during CO? injection. The Maquoketa Shale experiments reveal that this rock is initially chemically reactive when in contact with CO? and brine. However, due to the conservative nature of silicate and clay reaction kinetics and the rapid equilibration of carbonate reactions that occur in the shale, these reactions would not present a significant risk to the competency of the shale as an effective seal rock.

  9. EXPERIMENTAL INVESTIGATION OF Ti and Fe VALENCE IN CHONDRULE-LIKE MELTS DURING COOLING UNDER CHANGING REDOX CONDITIONS AT LOW PARTIAL PRESSURES. S. B. Simon1

    E-Print Network [OSTI]

    Grossman, Lawrence

    . This idea is being tested experimentally. Initial results were re- ported by [3]; here we report results CHANGING REDOX CONDITIONS AT LOW PARTIAL PRESSURES. S. B. Simon1 , J. R. Beckett2 , S. R. Sutton1,3 and L melted on Fe loops. Three runs are reported here: an isothermal run (I6) at 1400°C for 66 h at 2.75 log

  10. PHYS 211 Supplement #5 -Hamilton's equations S5 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further copying or resale is strictly prohibited.

    E-Print Network [OSTI]

    Boal, David

    PHYS 211 Supplement #5 - Hamilton's equations S5 - 1 © 2001 by David Boal, Simon Fraser University form, first by substituting (1) i p iq i = i ( L / q i)q i · · · (4) #12;PHYS 211 Supplement #5, then in general H = i [( H / p i)p i + ( H / q i)q i] (12) Comparing Eqs. (11) and (12) #12;PHYS 211 Supplement #5

  11. Metamorphic GaAsP buffers for growth of wide-bandgap InGaP solar cells J. Simon,1,a

    E-Print Network [OSTI]

    Haller, Gary L.

    . INTRODUCTION Triple-junction metamorphic solar cells have reached ef- ficiencies as high as 41.1% by combiningMetamorphic GaAsP buffers for growth of wide-bandgap InGaP solar cells J. Simon,1,a S. Tomasulo,1 P-yP solar cells. Tensile-strained GaAsxP1-x buffers grown on GaAs using unoptimized conditions

  12. Soil Science Society of America Journal This work was presented at the 12th North American Forest Soils Conference, Whitefish, MT, 1620

    E-Print Network [OSTI]

    Martin, Timothy

    Soils Conference, Whitefish, MT, 16­20 June 2013, in the Production Systems for Biomass and Bioenergy silvicultural practices used, and when combined with suitable site preparation techniques and the deployment fourfold higher aboveground pine biomass than the C treatment (7.7 Mg ha-1); the untreated CF (17.9 Mg ha-1

  13. NEAFS Y-mtDNA Workshop (Butler and Coble) November 1, 2006 http://www.cstl.nist.gov/biotech/strbase/training.htm 1

    E-Print Network [OSTI]

    NEAFS Y-mtDNA Workshop (Butler and Coble) November 1, 2006 http://www.cstl.nist.gov/biotech textbook (now in its 2nd Edition) · STRBase website: http://www.cstl.nist.gov/biotech/strbase/ · Family: wife Terilynne and 6 children · Hobbies: reading and writing http://www.cstl.nist.gov/biotech

  14. Comment on ``A modified leapfrog scheme for shallow water equations'' by Wen-Yih Sun and Oliver M.T. Sun

    E-Print Network [OSTI]

    Williams, Paul

    Commentary Comment on ``A modified leapfrog scheme for shallow water equations'' by Wen-Yih Sun and Oliver M.T. Sun Paul D. Williams Department of Meteorology, University of Reading, UK a r t i c l e i n f integration of the shallow-water equa- tions using the leapfrog time-stepping scheme [Sun Wen-Yih, Sun Oliver

  15. Modeling basin- and plume-scale processes of CO2 storage for full-scale deployment

    E-Print Network [OSTI]

    Zhou, Q.

    2010-01-01

    models of Mt. Simon gas storage fields in the Illinoiscaprock in aquifer gas storage, 1: Caprock of infiniteEvaluation of underground gas storage conditions in aquifers

  16. The Potosi Reservoir Model 2014

    SciTech Connect (OSTI)

    Smith, Valerie; Adushita, Yasmin; Leetaru, Hannes

    2014-09-30

    As a part of a larger project co-funded by the United States Department of Energy (US DOE) to evaluate the potential of formations within the Cambro-Ordovician strata above the Mt. Simon Sandstone as potential targets for carbon sequestration in the Illinois and Michigan Basins, the Illinois State Geological Survey (ISGS) requested Schlumberger to evaluate the potential injectivity and carbon dioxide (CO2) plume size of the Cambrian Potosi Formation. The evaluation of this formation was accomplished using wireline data, core data, pressure data, and seismic data from this project as well as two other separately funded projects: the United States Department of Energy-funded Illinois Basin – Decatur Project (IBDP) being conducted by the Midwest Geological Sequestration Consortium (MGSC) in Macon County, Illinois, and the Illinois Industrial Carbon Capture and Sequestration (IL-ICCS) project funded through the American Recovery and Reinvestment Act.

  17. Effects on the Non-Relativistic Dynamics of a Charged Particle Interacting with a Chern-Simons Potential

    E-Print Network [OSTI]

    F. Caruso; J. A. Helayël-Neto; J. Martins; V. Oguri

    2013-06-03

    The hydrogen atom in two dimensions, described by a Schr\\"odinger equation with a Chern-Simons potential, is numerically solved. Both its wave functions and eigenvalues were determined for small values of the principal quantum number $n$. The only possible states correspond to $l=0$. How the result depends on the topological mass of the photon is also discussed. In the case $n=1$, the energy of the fundamental state corresponding to different choice for the photon mass scale are found to be comprehended in the interval $-3,5 \\times 10^{-3} eV \\leq E \\leq -9,0 \\times 10^{-2} eV$, corresponding to a mean radius of the electron in the range $ (5.637 \\pm 0.005) \\times 10^{-8}$~cm $\\leq \\leq (48.87 \\pm 0.03) \\times 10^{-8}$~cm. In any case, the planar atom is found to be very weekly bounded showing some features similar to the Rydberg atoms in three dimensions with a Coulombian interaction.

  18. Improvements in the M-T relation and mass function and the measured Omega_m through clusters evolution

    E-Print Network [OSTI]

    A. Del Popolo

    2003-09-05

    In this paper, I revisit the constraints obtained by several authors (Reichart et al. 1999; Eke et al. 1998; Henry 2000) on the estimated values of Omega_m, n and sigma_8 in the light of recent theoretical developments: 1) new theoretical mass functions (Sheth & Tormen 1999, Sheth, Mo & Tormen 1999, Del Popolo 2002b); 2) a more accurate mass-temperature relation, also determined for arbitrary Omega_m and Omega_{\\Lambda} (Voit 2000, Pierpaoli et al. 2001, Del Popolo 2002a). Firstly, using the quoted improvements, I re-derive an expression for the X-ray Luminosity Function (XLF), similarly to Reichart et al. (1999), and then I get some constraints to \\Omega_m and n, by using the ROSAT BCS and EMSS samples and maximum-likelihood analysis. Then I re-derive the X-ray Temperature Function (XTF), similarly to Henry (2000) and Eke et al. (1999), re-obtaining the constraints on Omega_m, n, sigma_8. Both in the case of the XLF and XTF, the changes in the mass function and M-T relation produces an increase in Omega_m of \\simeq 20% and similar results in sigma_8 and n.

  19. A Complete Solution Classification and Unified Algorithmic Treatment for the One- and Two-Step Asymmetric S-Transverse Mass (MT2) Event Scale Statistic

    E-Print Network [OSTI]

    Joel W. Walker

    2014-08-29

    The MT2 or "s-transverse mass" statistic was developed to associate a parent mass scale to a missing transverse energy signature, given that escaping particles are generally expected in pairs, while collider experiments are sensitive to just a single transverse momentum vector sum. This document focuses on the generalized extension of that statistic to asymmetric one- and two-step decay chains, with arbitrary child particle masses and upstream missing transverse momentum. It provides a unified theoretical formulation, complete solution classification, taxonomy of critical points, and technical algorithmic prescription for treatment of the MT2 event scale. An implementation of the described algorithm is available for download, and is also a deployable component of the author's selection cut software package AEACuS (Algorithmic Event Arbiter and Cut Selector). Appendices address combinatoric event assembly, algorithm validation, and a complete pseudocode.

  20. Simon Fraser University Simon Fraser University

    E-Print Network [OSTI]

    and UniverCity residents). When implemented, the district heating system will support SFU's progress towards/renewed buildings. In 2010, SFU also actively pursued plans for a new biomass Central Heating Plant on Burnaby, develop and implement a district energy system that would serve the Burnaby Mountain community (both SFU

  1. Probing the Mechanism of the Mycobacterium tuberculosis [beta]-Ketoacyl-Acyl Carrier Protein Synthase III mtFabH: Factors Influencing Catalysis and Substrate Specificity

    SciTech Connect (OSTI)

    Brown, Alistair K.; Sridharan, Sudharsan; Kremer, Laurent; Lindenberg, Sandra; Dover, Lynn G.; Sacchettini, James C.; Besra, Gurdyal S.

    2010-11-30

    Mycolic acids are the dominant feature of the Mycobacterium tuberculosis cell wall. These {alpha}-alkyl, {beta}-hydroxy fatty acids are formed by the condensation of two fatty acids, a long meromycolic acid and a shorter C{sub 24}-C{sub 26} fatty acid. The component fatty acids are produced via a combination of type I and II fatty acid synthases (FAS) with FAS-I products being elongated by FAS-II toward meromycolic acids. The {beta}-ketoacyl-acyl carrier protein (ACP) synthase III encoded by mtfabH (mtFabH) links FAS-I and FAS-II, catalyzing the condensation of FAS-I-derived acyl-CoAs with malonyl-acyl carrier protein (ACP). The acyl-CoA chain length specificity of mtFabH was assessed in vitro; the enzyme extended longer, physiologically relevant acyl-CoA primers when paired with AcpM, its natural partner, than with Escherichia coli ACP. The ability of the enzyme to use E. coli ACP suggests that a similar mode of binding is likely with both ACPs, yet it is clear that unique factors inherent to AcpM modulate the substrate specificity of mtFabH. Mutation of proposed key mtFabH residues was used to define their catalytic roles. Substitution of supposed acyl-CoA binding residues reduced transacylation, with double substitutions totally abrogating activity. Mutation of Arg{sup 46} revealed its more critical role in malonyl-AcpM decarboxylation than in the acyl-CoA binding role. Interestingly, this effect was suppressed intragenically by Arg{sup 161} {yields} Ala substitution. Our structural studies suggested that His{sup 258}, previously implicated in malonyl-ACP decarboxylation, also acts as an anchor point for a network of water molecules that we propose promotes deprotonation and transacylation of Cys{sup 122}.

  2. Log interpretation of shaly sandstones 

    E-Print Network [OSTI]

    Baker, Joel Foster

    1987-01-01

    and Gas, Arco Oil and Gas, and Sun Oil Companies for their contributions of cores, logs, and other valuable data. Their contributions were an immense help in formulating and supporting the ideas developed in my study. I also wish to express gratitute... from the Reese Oil and Gas Intracoastal Land ?2 well in the Bayou Cholpe field, West Baton Parish, Louisiana, and from the Arco Hankamer 630-1 well in Newton County, Texas. The cores were described and sampled for petrographic analysis. To determine...

  3. Review of AdS/CFT Integrability, Chapter IV.3: N=6 Chern-Simons and Strings on AdS4xCP3

    E-Print Network [OSTI]

    Thomas Klose

    2012-03-27

    We review the duality and integrability of N=6 superconformal Chern-Simons theory in three dimensions and IIA superstring theory on the background AdS4xCP3. We introduce both of these models and describe how their degrees of freedom are mapped to excitations of a long-range integrable spin-chain. Finally, we discuss the properties of the Bethe equations, the S-matrix and the algebraic curve that are special to this correspondence and differ from the case of N=4 SYM theory and strings on AdS5xS5.

  4. Electrically charged finite energy solutions of an $SO(5)$ and an $SU(3)$ Higgs-Chern-Simons--Yang-Mills-Higgs systems in $3+1$ dimensions

    E-Print Network [OSTI]

    Francisco Navarro-Lerida; D. H. Tchrakian

    2014-12-15

    We study spherically symmetric finite energy solutions of two Higgs-Chern-Simons--Yang-Mills-Higgs (HCS-YMH) models in $3+1$ dimensions, one with gauge group $SO(5)$ and the other with $SU(3)$. The Chern-Simons (CS) densities are defined in terms of both the Yang-Mills (YM) and Higgs fields and the choice of the two gauge groups is made so they do not vanish. The solutions of the $SO(5)$ model carry only electric charge and zero magnetic charge, while the solutions of the $SU(3)$ model are dyons carrying both electric and magnetic charges like the Julia-Zee (JZ) dyon. Unlike the latter however, the electric charge in both models receives an important contribution from the CS dynamics. We pay special attention to the relation between the energies and charges of these solutions. In contrast with the electrically charged JZ dyon of the Yang-Mills-Higgs (YMH) system, whose mass is larger than that of the electrically neutral (magnetic monopole) solutions, the masses of the electrically charged solutions of our HCS-YMH models can be smaller than their electrically neutral counterparts in some parts of the parameter space. To establish this is the main task of this work, which is performed by constructing the HCS-YMH solutions numerically. In the case of the $SU(3)$ HCS-YMH, we have considered the question of angular momentum, and it turns out that it vanishes.

  5. Littleton Mt. Washington

    E-Print Network [OSTI]

    Pringle, James "Jamie"

    · Across New Hampshire IN TRAVELING NEW HAMPSHIRE HIGHWAYS AND BACK ROADS, you'll discover New Hampshire, Keene Nashua Community College, Nashua BAE Systems of N.A., Nashua University of New Hampshire, Durham Great Bay Community College, Portsmouth New Hampshire Space grant Consortium 1 23 4 56 7 8 9 10 11 12 13

  6. versity (MT Assistant o

    E-Print Network [OSTI]

    discipline um vitae, s and contac electronica cmsearch@ 2011, an trategic Fac nitiative ates are en rsities

  7. Interview of Simon Schaffer

    E-Print Network [OSTI]

    Schaffer, Simon

    2008-11-17

    experience as an undergraduate; still single-sex, enormously supportive, though pretty stern with no central heating and cellars flooding regularly; the pattern of training was rather nineteenth-century for the tripos; the bulk of significant teaching took... museum of the Nobel Prize which opened just a few years ago; Svante is an impressive technology historian who wrote on the introduction of the steam engine into Sweden and an article on glass-blowing as the key technology of the modern world...

  8. Maquoketa Shale Caprock Integrity Evaluation

    SciTech Connect (OSTI)

    Leetaru, Hannes

    2014-09-30

    The Knox Project objective is to evaluate the potential of formations within the Cambrian-Ordovician strata above the Mt. Simon Sandstone (St. Peter Sandstone and Potosi Dolomite) as potential targets for carbon dioxide (CO2) sequestration in the Illinois and Michigan Basins. The suitability of the St. Peter Sandstone and Potosi Dolomite to serve as reservoirs for CO2 sequestration is discussed in separate reports. In this report the data gathered from the Knox project, the Illinois Basin – Decatur Project (IBDP) and Illinois Industrial Carbon Capture and Sequestration project (IL-ICCS) are used to make some conclusions about the suitability of the Maquoketa shale as a confining layer for CO2 sequestration. These conclusions are then upscaled to basin-wide inferences based on regional knowledge. Data and interpretations (stratigraphic, petrophysical, fractures, geochemical, risk, seismic) applicable to the Maquoketa Shale from the above mentioned projects was inventoried and summarized. Based on the analysis of these data and interpretations, the Maquoketa Shale is considered to be an effective caprock for a CO2 injection project in either the Potosi Dolomite or St. Peter Sandstone because it has a suitable thickness (~200ft. ~61m), advantageous petrophysical properties (low effective porosity and low permeability), favorable geomechanical properties, an absence of observable fractures and is regionally extensive. Because it is unlikely that CO2 would migrate upward through the Maquoketa Shale, CO2, impact to above lying fresh water aquifers is unlikely. Furthermore, the observations indicate that CO2 injected into the St. Peter Sandstone or Potosi Dolomite may never even migrate up into the Maquoketa Shale at a high enough concentrations or pressure to threaten the integrity of the caprock. Site specific conclusions were reached by unifying the data and conclusions from the IBDP, ICCS and the Knox projects. In the Illinois Basin, as one looks further away from these sites, the formation characteristics are expected to vary. The degree of how well this data can be extrapolated throughout the Basins (regionalized) is difficult to quantify because of the limited amount of data collected on the Maquoketa Shale away from IBDP, IL-ICCS and the Knox projects. Data gathered from the IBDP/IL-ICCS/Knox projects were used to make conclusions about the suitability of the Maquoketa shale as a confining layer for CO2 sequestration. This study indicates that the Maquoketa Shale would be a suitable caprock for a CO2 injection program in either the Potosi Dolomite or St. Peter Sandstone.

  9. EXPERIMENTAL EVALUATION OF CHEMICAL SEQUESTRATION OF CARBON DIOXIDE IN DEEP AQUIFER MEDIA - PHASE II

    SciTech Connect (OSTI)

    Neeraj Gupta; Bruce Sass; Jennifer Ickes

    2000-11-28

    In 1998 Battelle was selected by the U.S. Department of Energy's (DOE) National Energy Technology Laboratory (NETL) under a Novel Concepts project grant to continue Phase II research on the feasibility of carbon dioxide (CO{sub 2}) sequestration in deep saline formations. The focus of this investigation is to conduct detailed laboratory experiments to examine factors that may affect chemical sequestration of CO{sub 2} in deep saline formations. Reactions between sandstone and other geologic media from potential host reservoirs, brine solutions, and CO{sub 2} are being investigated under high-pressure conditions. Some experiments also include sulfur dioxide (SO{sub 2}) gases to evaluate the potential for co-injection of CO{sub 2} and SO{sub 2} related gases in the deep formations. In addition, an assessment of engineering and economic aspects is being conducted. This current Technical Progress Report describes the status of the project as of September 2000. The major activities undertaken during the quarter included several experiments conducted to investigate the effects of pressure, temperature, time, and brine composition on rock samples from potential host reservoirs. Samples (both powder and slab) were taken from the Mt. Simon Sandstone, a potential CO{sub 2} host formation in the Ohio, the Eau Claire Shale, and Rome Dolomite samples that form the caprock for Mt. Simon Sandstone. Also, a sample with high calcium plagioclase content from Frio Formation in Texas was used. In addition, mineral samples for relatively pure Anorthite and glauconite were experimented on with and without the presence of additional clay minerals such as kaolinite and montmorillonite. The experiments were run for one to two months at pressures similar to deep reservoirs and temperatures set at 50 C or 150 C. Several enhancements were made to the experimental equipment to allow for mixing of reactants and to improve sample collection methods. The resulting fluids (gases and liquids) as well as the rock samples were characterized to evaluate the geochemical changes over the experimental period. Preliminary results from the analysis are presented in the report. More detailed interpretation of the results will be presented in the technical report at the end of Phase II.

  10. Quantifying Uncertainty in Chemical Systems Modeling M.T. Reagan1, H.N. Najm1, P.P. Pebay1, O.M. Knio2 and R.G. Ghanem2

    E-Print Network [OSTI]

    Frey, Pascal

    Quantifying Uncertainty in Chemical Systems Modeling M.T. Reagan1, H.N. Najm1, P.P. P´ebay1, O The Johns Hopkins University, Baltimore, MD 21218, USA Abstract. This study compares two techniques of Chemical Kinetics 1. Introduction Chemical kinetics computations require the specification of a number

  11. A new A&P Food Market in Mt. Kisco, New York, is enjoying annual energy cost savings of nearly $130,000 with the installation of an integrated microturbine power system

    E-Print Network [OSTI]

    Pennycook, Steve

    Background A new A&P Food Market in Mt. Kisco, New York, is enjoying annual energy cost savings, heating and power solutions, was installed in 2005 in the 57,000- square-foot facility. The New York supermarket was the first U.S. customer to take delivery of the new system. The PureComfort system is designed

  12. Visualizing the Surface Infrastructure Used to Move 2 MtCO2/year from the Dakota Gasification Company to the Weyburn CO2 Enhanced Oil Recovery Project: Version of July 1, 2009

    SciTech Connect (OSTI)

    Dooley, James J.

    2009-07-09

    Google Earth Pro has been employed to create an interactive flyover of the world’s largest operational carbon dioxide capture and storage project. The visualization focuses on the transport and storage of 2 MtCO2/year which is captured from the Dakota Gasification Facility (Beula, North Dakota) and transported 205 miles and injected into the Weyburn oil field in Southeastern Saskatchewan.

  13. Comment on ;Valence state of titanium in the Wark?Lovering rim of a Leoville CAI as a record of progressive oxidation in the early Solar Nebula; by K.A. Dyl, J.I. Simon and E.D. Young

    SciTech Connect (OSTI)

    Simon, S.B.; Grossman, L.; Sutton, S.R. (UC)

    2012-05-29

    Dyl et al. (2011) state that their results confirm the conclusion of J. Simon et al. (2005) that the pyroxene in Wark-Lovering rims (Wark and Lovering, 1977) found on Ca-, Al-rich refractory inclusions has lower Ti{sup 3+}/Ti{sup tot} ratios than the primary pyroxene in the interiors of inclusions. While true, the claim is misleading because J. Simon et al. (2005) concluded that there was no Ti{sup 3+} in the rims, whereas Dyl et al. (2011) found Ti{sup 3+} in 41 of 42 new rim analyses. In addition, J. Simon et al. (2005) concluded that rims formed under much more oxidizing conditions, log fO{sub 2} {ge} IW-1, or {ge} 6-7 log units higher, than inclusion interiors. The conclusions of J. Simon et al. (2005) were disputed by S. Simon et al. (2007) and are not supported by the new data of Dyl et al. (2011). The present work is intended for clarification of this and other issues.

  14. Recovery Act: Understanding the Impact of CO{sub 2} Injection on the Subsurface Microbial Community in an Illinois Basin CCS Reservoir: Integrated Student Training in Geoscience and Geomicrobiology

    SciTech Connect (OSTI)

    Fouke, Bruce

    2013-03-31

    An integrated research and teaching program was developed to provide cross-­?disciplinary training opportunities in the emerging field of carbon capture and storage (CCS) for geobiology students attending the University of Illinois Urbana-­?Champaign (UIUC). Students from across the UIUC campus participated, including those from the departments of Geology, Microbiology, Biochemistry, Civil and Environmental Engineering, Animal Sciences and the Institute for Genomic Biology. The project took advantage of the unique opportunity provided by the drilling and sampling of the large-­?scale Phase III CCS demonstration Illinois Basin -­? Decatur Project (IBDP) in the central Illinois Basin at nearby Decatur, Illinois. The IBPD is under the direction of the Illinois State Geological Survey (ISGS, located on the UIUC campus) and the Midwest Geological Sequestration Consortium (MGSC). The research component of this project focused on the subsurface sampling and identification of microbes inhabiting the subsurface Cambrian-­?age Mt. Simon Sandstone. In addition to formation water collected from the injection and monitoring wells, sidewall rock cores were collected and analyzed to characterize the cements and diagenetic features of the host Mt. Simon Sandstone. This established a dynamic geobiological framework, as well as a comparative baseline, for future studies of how CO2 injection might affect the deep microbial biosphere at other CCS sites. Three manuscripts have been prepared as a result of these activities, which are now being finalized for submission to top-­?tier international peer-­?reviewed research journals. The training component of this project was structured to ensure that a broad group of UIUC students, faculty and staff gained insight into CCS issues. An essential part of this training was that the UIUC faculty mentored and involved undergraduate and graduate students, as well as postdocs and research scientists, at all stages of the project in order to develop CCS-­?focused classroom and field courses, as well as seminars. This program provided an excellent opportunity for participants to develop the background necessary to establish longer-­?term research in CCS-­?related geology and microbial ecology. Further, the program provided an ongoing dynamic platform to foster long-­?term collaboration with the regional ISGS and MGSC sequestration partnership, while offering hands-­?on, applied learning experiences.

  15. Stress corrosion crack growth in porous sandstones

    E-Print Network [OSTI]

    Ojala, Ira O

    Stress corrosion crack growth occurs when the chemical weakening of strained crack tip bonds facilitates crack propagation. I have examined the effect of chemical processes on the growth of a creack population by carrying out triaxial compression...

  16. Study on the reduction of atmospheric mercury emissions from mine waste enriched soils through native grass cover in the Mt. Amiata region of Italy

    SciTech Connect (OSTI)

    Fantozzi, L., E-mail: l.fantozzi@iia.cnr.it [CNR-Institute of Atmospheric Pollution Research, c/o: UNICAL-Polifunzionale, 87036 Rende (Italy); Ferrara, R., E-mail: romano.ferrara@pi.ibf.cnr.it [CNR-Institute of Biophysics, San Cataldo Research Area, Via G. Moruzzi 1, 56124 Pisa (Italy); Dini, F., E-mail: fdiniprotisti@gmail.com [University of Pisa, Department of Biology, Via A. Volta 4, 56126 Pisa (Italy); Tamburello, L., E-mail: ltamburello@biologia.unipi.it [University of Pisa, Department of Biology, Via Derna 1, I-56126 Pisa (Italy); Pirrone, N.; Sprovieri, F. [CNR-Institute of Atmospheric Pollution Research, c/o: UNICAL-Polifunzionale, 87036 Rende (Italy)] [CNR-Institute of Atmospheric Pollution Research, c/o: UNICAL-Polifunzionale, 87036 Rende (Italy)

    2013-08-15

    Atmospheric mercury emissions from mine-waste enriched soils were measured in order to compare the mercury fluxes of bare soils with those from other soils covered by native grasses. Our research was conducted near Mt. Amiata in central Italy, an area that was one of the largest and most productive mining centers in Europe up into the 1980s. To determine in situ mercury emissions, we used a Plexiglas flux chamber connected to a portable mercury analyzer (Lumex RA-915+). This allowed us to detect, in real time, the mercury vapor in the air, and to correlate this with the meteorological parameters that we examined (solar radiation, soil temperature, and humidity). The highest mercury flux values (8000 ng m{sup ?2} h{sup ?1}) were observed on bare soils during the hours of maximum insulation, while lower values (250 ng m{sup ?2} h{sup ?1}) were observed on soils covered by native grasses. Our results indicate that two main environmental variables affect mercury emission: solar radiation intensity and soil temperature. The presence of native vegetation, which can shield soil surfaces from incident light, reduced mercury emissions, a result that we attribute to a drop in the efficiency of mercury photoreduction processes rather than to decreases in soil temperature. This finding is consistent with decreases in mercury flux values down to 3500 ng m{sup ?2} h{sup ?1}, which occurred under cloudy conditions despite high soil temperatures. Moreover, when the soil temperature was 28 °C and the vegetation was removed from the experimental site, mercury emissions increased almost four-fold. This increase occurred almost immediately after the grasses were cut, and was approximately eight-fold after 20 h. Thus, this study demonstrates that enhancing wild vegetation cover could be an inexpensive and effective approach in fostering a natural, self-renewing reduction of mercury emissions from mercury-contaminated soils. -- Highlights: ? Mercury air/surface exchange from grass covered soil is different from bare soil. ? Light enhances mercury emissions and is the main parameter driving the process. ? The presence of wild vegetation covering the soil reduces mercury emission. ? Vegetative covers could be a solution to reduce atmospheric mercury pollution.

  17. HUMAN RESOURCES SIMON FRASER UNIVERSITY

    E-Print Network [OSTI]

    Kavanagh, Karen L.

    with the Operations Supervisor to ensure that exterior waste management is adequately addressed. The incumbent operation. #12;Conducts regular site visits to inspect for quality and to ensure that completed work meets on deficiencies and proposed upgrades. In collaboration with the Operations Supervisor and Manager, Civil Trades

  18. An interview with Simon Blackburn

    E-Print Network [OSTI]

    Blackburn, Simon

    2010-01-01

    generation of philosophy students in Trinity - Ian Hacking, Edward Craig and myself, Crispin Wright - many of us became academics; he had the great gift of knowing how to dangle standards just in front of your nose so you would go away feeling that you had... working for the Press in the US before setting up her own book production business until it was undercut by the low prices for book production in the Far East 22:19:19 I think the best academic book I have written in the last fifteen years 'Ruling Passions...

  19. Efficient Consequence Finding Laurent Simon

    E-Print Network [OSTI]

    del Val, Alvaro

    -based and a novel ZBDD-based implementation, which uses Zero- Suppressed Binary Decision Diagrams to concisely store of a propositional knowledge base. These include prime implicates, abduction, diagnosis, non- monotonic reasoning, and knowledge compilation. [Mar- quis, 1999] provides an excellent survey of the field and its applications

  20. ROBERT POLLACK by HARVEY SIMON

    E-Print Network [OSTI]

    Pollack, Robert

    - ally and professionally, almost since the day in 1957 when he trav- eled across town, from Coney Island. It was a household absent of doubt, a household of great cer-