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1

New River Geothermal Research Project, Imperial Valley, California...  

Open Energy Info (EERE)

New River Geothermal Research Project, Imperial Valley, California Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title New River Geothermal...

2

Geothermal resource investigations, Imperial Valley, California. Status report  

DOE Green Energy (OSTI)

The discussion is presented under the following chapter titles: geothermal resource investigations, Imperial Valley, California; the source of geothermal heat; status of geothermal resources (worldwide); geothermal aspects of Imperial Valley, California; potential geothermal development in Imperial Valley; environmental considerations; and proposed plan for development. (JGB)

Not Available

1971-04-01T23:59:59.000Z

3

Resistivity studies of the Imperial Valley geothermal area, California |  

Open Energy Info (EERE)

Resistivity studies of the Imperial Valley geothermal area, California Resistivity studies of the Imperial Valley geothermal area, California Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Resistivity studies of the Imperial Valley geothermal area, California Abstract Electrical resistivity has been employed for mapping thehnperial Valley of California as part of a multi-disciplinaryapproach to assess its geothermal potential. Vertical and lateralresistivity changes were determined from Schlumherger deptilsoundings with effective probing depths up to 8000 ft.Chie/ conclusions were: (1) Known geothermal anomaliesappear as residual resistivity lows superimposed on the regionalgradient which decreases northwest.ward from the southeastcorner of the Imperial Valley, near the Colorado River, tovalues about two orders of magnitude lower at the Salton

4

New River Geothermal Research Project, Imperial Valley, California  

Open Energy Info (EERE)

Research Project, Imperial Valley, California Research Project, Imperial Valley, California Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title New River Geothermal Research Project, Imperial Valley, California Project Type / Topic 1 Recovery Act: Geothermal Technologies Program Project Type / Topic 2 Validation of Innovative Exploration Technologies Project Description Current models for the tectonic evolution of the Salton Trough provide a refined geologic model to be tested within the New River system and subsequently applied to additional rift dominated settings. Specific concepts to be included in model development include: rifting as expressed by the Brawley Seismic zone setting, northwest extensional migration, detachment faulting and a zone of tectonic subsidence as defining permeability zones; and evaluation and signature identification of diabase dike systems. Lateral continuous permeable sand units will be demonstrated through integration of existing well records with results of drilling new wells in the area.

5

Mercury In Soils Of The Long Valley, California, Geothermal System | Open  

Open Energy Info (EERE)

In Soils Of The Long Valley, California, Geothermal System In Soils Of The Long Valley, California, Geothermal System Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Mercury In Soils Of The Long Valley, California, Geothermal System Details Activities (3) Areas (1) Regions (0) Abstract: An evaluation of the Hg distribution in soils of the Long Valley, California, geothermal area, was made. A1-horizon soil samples were collected utilizing a grid system from the resurgent dome area and the Long Valley area. In addition, samples were collected in five traverses across three fault systems and four traverses across east-west-oriented gullies to measure the importance of aspect. Additional samples were collected in an analysis of variance design to evaluate natural variability in soil composition with sampling interval distance. The primary objectives of this

6

Geotechnical environmental aspects of geothermal power generation at Herber, Imperial Valley, California  

DOE Green Energy (OSTI)

The feasibility of constructing a 25-50 MWe geothermal power plant using low salinity hydrothermal fluid as the energy source was assessed. Here, the geotechnical aspects of geothermal power generation and their relationship to environmental impacts in the Imperial Valley of California were investigated. Geology, geophysics, hydrogeology, seismicity and subsidence are discussed in terms of the availability of data, state-of-the-art analytical techniques, historical and technical background and interpretation of current data. Estimates of the impact of these geotechnical factors on the environment in the Imperial Valley, if geothermal development proceeds, are discussed.

Not Available

1976-10-01T23:59:59.000Z

7

1974 geothermal field tests at the Niland Reservoir in the Imperial Valley of California  

DOE Green Energy (OSTI)

The phases of the 1974 geothermal field tests at the Niland Reservoir in the Imperial Valley of California are documented. The following tests are included: separator, steam scrubber, steam turbine, heat exchanger, packed heat exchanger, corrosion, chemical cleaning, and control and instrumentation. (MHR)

Not Available

1974-01-01T23:59:59.000Z

8

ERDA test facilities, East Mesa Test Site. Geothermal resource investigations, Imperial Valley, California  

DOE Green Energy (OSTI)

Detailed specifications which must be complied with in the construction of the ERDA Test Facilities at the East Mesa Site for geothermal resource investigations in Imperial Valley, California are presented for use by prospective bidders for the construction contract. The principle construction work includes a 700 gpm cooling tower with its associated supports and equipment, pipelines from wells, electrical equipment, and all earthwork. (LCL)

Not Available

1976-01-01T23:59:59.000Z

9

Geothermal systems of the Mono Basin-Long Valley region, eastern California and western Nevada  

DOE Green Energy (OSTI)

The region that includes Mono Basin, Long Valley, the Bridgeport-Bodie Hills area, and Aurora, in eastern California and western Nevada was studied to determine the possible causes and interactions of the geothermal anomalies in the Mono Basin-Long Valley region as a whole. A special goal of the study was to locate possible shallow bodies of magma and to determine their influence on the hydrothermal systems in the region. (ACR)

Higgins, C.T.; Flynn, T.; Chapman, R.H.; Trexler, D.T.; Chase, G.R.; Bacon, C.F.; Ghusn, G. Jr.

1985-01-01T23:59:59.000Z

10

Seismic refraction investigation of the Salton Sea geothermal area, Imperial Valley, California  

DOE Green Energy (OSTI)

Seven seismic refraction profiles and four long-distance refraction shots have been used to investigate the Salton Sea geothermal area. From these data, two models of the geothermal and adjacent area are proposed. Model 1 proposes a basement high within the geothermal area trending parallel to the axis of the Imperial Valley. Model 2 assumes a horizontal basement in the E-W direction, and proposes a seismic velocity gradient that increases the apparent basement velocity from east to west approximately 15% within the geothermal area. Both models propose basement dip of 3 degrees to the south, yielding a thickness of sediments of 6.6 km near Brawley, California, in the center of the Imperial Valley. Based on offsets inferred in the sedimentary seismic layers of the geothermal area, two NW-SE trending fault zones are proposed.

Frith, R.B.

1978-12-01T23:59:59.000Z

11

Geotechnical Environmental Aspects of Geothermal Power Generation at Heber, Imperial Valley, California. Topical report 1  

DOE Green Energy (OSTI)

This report presents a portion of the results from a one-year feasibility study sponsored by the Electric Power Research Institute (EPRI) to assess the feasibility of constructing a 25-50 MWe geothermal power plant using low salinity hydrothermal fluid as the energy source. The impact of power generation from hydrothermal resources on subsurface water flow, seismicity and subsidence are of acute interest in the determination of the environmental acceptance of geothermal energy. At the same time, the experience and data bases in these areas are very limited. The objective of the project was to assess the technical, geotechnical, environmental and economic feasibility of producing electricity from hydrothermal resources like those known to exist in the US. The objective of this part of the study was to investigate the geotechnical aspects of geothermal power generation and their relationship to environmental impacts in the Imperial Valley of California. This report discusses geology, geophysics, hydrogeology, seismicity and subsidence in terms of the availability of data, state-of-the-art analytical techniques, historical and technical background and interpretation of current data. it also discusses estimates of the impact of these geotechnical factors on the environment in the Imperial Valley, if geothermal development proceeds.

None

1976-10-01T23:59:59.000Z

12

Public opinion in Cobb Valley concerning geothermal development in Lake County, California  

DOE Green Energy (OSTI)

In the Spring of 1975 the Friends of Cobb, a local environmental group, polled the registered voters of the Cobb Valley precinct, Lake County, California, about their opinions regarding the development of geothermal energy in Lake County. Sixty-five percent of those polled responded, and an analysis of their responses indicates the following: (1) The people of the Cobb Valley (which lies directly in the path of geothermal development) are rather less pleased with the prospect than a previous poll has shown the people of Lake County as a whole to be. As measured by an index of general support for development, one-third of the Cobb people are for development, one-third are against, and the remaining third are undecided or have mixed feelings. (Countywide, nearly two-thirds support development.) (2) Support for and opposition to geothermal development correlate most highly with the perception of environmental impacts, the expectation of economic benefits in the form of increased job opportunities and tax revenues, and size of land holdings. (3) Among those who own more than ten acres of land, the willingness to lease land for geothermal development correlates most highly with the perception of environmental impacts.

Vollintine, L.; Weres, O.

1976-06-01T23:59:59.000Z

13

Identification of environmental control technologies for geothermal development in the Imperial Valley of California  

DOE Green Energy (OSTI)

Control technologies to manage environmental impacts from geothermal developments in California's Imperial Valley from development to 1985 are discussed. Included are descriptions of methods for managing land subsidence by fluid injection; for preventing undesirable induced seismicity or mitigating the effects of seismic events; for managing liquid wastes through pretreatment or subsurface injection; for controlling H/sub 2/S by dispersal, reinjection, and chemical treatment of effluents; and for minimizing the impact of noise from power plants by setting up buffer zones and exclusion areas.

Snoeberger, D.F.; Hill, J.H.

1978-10-05T23:59:59.000Z

14

GEOTHERMAL RESOURCE AND RESERVOIR INVESTIGATIONS OF U.S. BUREAU OF RECLAMATION LEASEHOLDS AT EAST MESA, IMPERIAL VALLEY, CALIFORNIA  

E-Print Network (OSTI)

document. LBL-7094 UC-66~1 GEOTHERMAL RESOURCE AND RESERVOIRInc. , 1976. Study of the geothermal reservoir underlyingtest, 1976, East Mesa geothermal field in California.

2009-01-01T23:59:59.000Z

15

Map showing geothermal resources of The Lake City-Surprise Valley Known Geothermal Resource Area, Modoc County, California  

DOE Green Energy (OSTI)

Geothermal data are summarized from published and unpublished geophysical, geochemical, and geologic reports on Surprise Valley prepared during the past 26 years. Particular emphasis is placed on a comprehensive structural interpretation of the west half of the valley that is based on map compilation of concealed faults that have been inferred from geophysical methods and exposed faults that can be seen in the field and/or on aerial photographs. The faults apparently control the location of modern geothermal activity.

Not Available

1981-01-01T23:59:59.000Z

16

Wine Valley Inn: A mineral water spa in Calistoga, California. Geothermal-energy-system conceptual design and economic feasibility  

DOE Green Energy (OSTI)

The purpose of this study is to determine the engineering and economic feasibility for utilizing geothermal energy for air conditioning and service water heating at the Wine Valley Inn, a mineral water spa in Calistoga, California. The study evaluates heating, ventilating, air conditioning and water heating systems suitable for direct heat geothermal application. Due to the excellent geothermal temperatures available at this site, the mechanics and economics of a geothermally powered chilled water cooling system are evaluated. The Wine Valley Inn has the resource potential to have one of the few totally geothermal powered air conditioning and water heating systems in the world. This total concept is completely developed. A water plan was prepared to determine the quantity of water required for fresh water well development based on the special requirements of the project. An economic evaluation of the system is included to justify the added capital investment needed to build the geothermally powered mineral spa. Energy payback calculations are presented. A thermal cascade system is proposed to direct the geothermal water through the energy system to first power the chiller, then the space heating system, domestic hot water, the two spas and finally to heat the swimming pool. The Energy Management strategy required to automatically control this cascade process using industrial quality micro-processor equipment is described. Energy Management controls are selected to keep equipment sizing at a minimum, pump only the amount of geothermal water needed and be self balancing.

Not Available

1981-10-26T23:59:59.000Z

17

Power produced from hot dry rock geothermal resources: a case study for the Imperial Valley, California  

SciTech Connect

The case study described here concerns an HDR system which provides geothermal fluids for a hypothetical electric plant located in California's Imperial Valley. Primary concern is focused on the implications of differing drilling conditions, as reflected by costs, and differing risk environments for the potential commercialization of an HDR system. Drilling costs for best, medium and worst drilling conditions are taken from a recent study of drilling costs for HDR systems. Differing risk environments are presented by differing rate of return requirements on stocks and interest on bonds which the HDR system is assumed to pay; rate of return/interest combinations considered are 6%/3%, 9%/6%, 12%/9% and 15%/12%. The method used for analyzing the HDR system involves a two-stage process. In stage 1, the maximum amount that the electric plant can pay to an HDR system for geothermal fluids is calculated for alternative busbar prices of electricity received by the electric plant. In stage 2, costs for the HDR system are calculated under differing assumed risk environments and drilling conditions. These two sets of data may then be used to analyze the minimum busbar price of electricity - which defines a maximum fuel bill that could be paid to the HDR system by the electric plant - which could result in the HDR system's full recouperation of all production and drilling costs.

Cummings, R.G.; Morris, G.E.; Arundale, C.J.; Erickson, E.L.

1979-12-01T23:59:59.000Z

18

Non-Double-Couple Microearthquakes At Long Valley Caldera, California...  

Open Energy Info (EERE)

Microearthquakes At Long Valley Caldera, California, Provide Evidence For Hydraulic Fracturing Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article:...

19

Assessment of geothermal development in the Imperial Valley of California. Volume 1. Environment, health, and socioeconomics  

DOE Green Energy (OSTI)

Utilization of the Imperial Valley's geothermal resources to support energy production could be hindered if environmental impacts prove to be unacceptable or if geothermal operations are incompatible with agriculture. To address these concerns, an integrated environmental and socioeconomic assessment of energy production in the valley was prepared. The most important impacts examined in the assessment involved air quality changes resulting from emissions of hydrogen sulfide, and increases in the salinity of the Salton Sea resulting from the use of agricultural waste waters for power plant cooling. The socioeconomics consequences of future geothermal development will generally be beneficial. (MHR)

Layton, D. (ed.)

1980-07-01T23:59:59.000Z

20

Geothermal Literature Review At Long Valley Caldera Geothermal Area (1984)  

Open Energy Info (EERE)

Geothermal Literature Review At Long Valley Caldera Geothermal Area (1984) Geothermal Literature Review At Long Valley Caldera Geothermal Area (1984) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal Literature Review At Long Valley Caldera Geothermal Area (1984) Exploration Activity Details Location Long Valley Caldera Geothermal Area Exploration Technique Geothermal Literature Review Activity Date 1984 Usefulness not indicated DOE-funding Unknown Notes The melt zones of volcanic clusters was analyzed with recent geological and geophysical data for five magma-hydrothermal systems were studied for the purpose of developing estimates for the depth, volume and location of magma beneath each area. References Goldstein, N. E.; Flexser, S. (1 December 1984) Melt zones beneath five volcanic complexes in California: an assessment of shallow

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Investigation of Low-Temperature Geothermal Resources in the Sonoma Valley Area, California  

DOE Green Energy (OSTI)

The Sonoma Valley area contains low-temperature geothermal resources (20 C {le} T {le} 90 C) having the potential for useful development. Sonoma Valley residents, local governments and institutions, private developers, and manufacturers may be able to utilize the geothermal resources as an alternate energy source. Historically, there have been at least six geothermal spring areas developed in the Sonoma Valley. Four of these (Boyes Hot Springs, Fetter's Hot Springs, Agua Caliente Springs, and the Sonoma State Hospital warm spring) lie on a linear trend extending northwestward from the City of Sonoma. Detailed geophysical surveys delineated a major fault trace along the east side of the Sonoma Valley in association with the historic geothermal areas. Other fault traces were also delineated revealing a general northwest-trending structural faulting fabric underlying the valley. Water wells located near the ''east side'' fault have relatively high boron concentrations. Geochemical evidence may suggest the ''east side'' fault presents a barrier to lateral fluid migration but is a conduit for ascending fluids. Fifteen of the twenty-nine geothermal wells or springs located from literature research or field surveys are located along or east of this major fault in a 10 km (6.2 miles) long, narrow zone. The highest recorded water temperature in the valley appears to be 62.7 C (145 F) at 137.2 meters (450 feet) in a well at Boyes Hot Springs. This is consistent with the geothermal reservoir temperature range of 52-77 C (126-171 F) indicated by geothermometry calculations performed on data from wells in the area. Interpretation of data indicates a low-temperature geothermal fluid upwelling or ''plume'', along the ''east side'' fault with subsequent migration into permeable aquifers predominantly within volcanic strata. It is quite likely other geothermal fluid ''plumes'' in association with faulting are present within the Sonoma Valley area. A 5.8 km{sup 2} geothermal zone, that parallels the fault trace, is delineated and is perhaps the most favorable area for further investigation and possible geothermal production.

Youngs, Leslie G.; Chapman, Rodger H.; Chase, Gordon W.; Bezore, Stephen P.; Majmundar, Hasu H.

1983-01-01T23:59:59.000Z

22

Results from shallow research drilling at Inyo Domes, Long Valley Caldera, California and Salton Sea geothermal field, Salton Trough, California  

DOE Green Energy (OSTI)

This report reviews the results from two shallow drilling programs recently completed as part of the United States Department of Energy Continental Scientific Drilling Program. The purpose is to provide a broad overview of the objectives and results of the projects, and to analyze these results in the context of the promise and potential of research drilling in crustal thermal regimes. The Inyo Domes drilling project has involved drilling 4 shallow research holes into the 600-year-old Inyo Domes chain, the youngest rhyolitic event in the coterminous United States and the youngest volcanic event in Long Valley Caldera, California. The purpose of the drilling at Inyo was to understand the thermal, chemical and mechanical behavior of silicic magma as it intrudes the upper crust. This behavior, which involves the response of magma to decompression and cooling, is closely related to both eruptive phenomena and the establishment of hydrothermal circulation. The Salton Sea shallow research drilling project involved drilling 19 shallow research holes into the Salton Sea geothermal field, California. The purpose of this drilling was to bound the thermal anomaly, constrain hydrothermal flow pathways, and assess the thermal budget of the field. Constraints on the thermal budget links the local hydrothermal system to the general processes of crustal rifting in the Salton Trough.

Younker, L.W.; Eichelberger, J.C.; Kasameyer, P.W.; Newmark, R.L.; Vogel, T.A.

1987-09-01T23:59:59.000Z

23

Prelimiary investigation desalting of geothermal brines in the Imperial Valley of California  

SciTech Connect

The Imperial Valley Project is an applied research program to provide geologic, hydrologic, engineering, and economic information necessary for development of the geothermal resources of the delta of the lower Colorado River. It is suggested that a desalting pilot plant be associated with the project to develop an economic desalting process if 2 to 3% geothermal brine is produced. The process will be unconventional in that waste heat must be rejected to atmosphere in wet or dry cooling towers. The presence of large amounts of CO/sub 2/, H/sub 2/S, and silica will require gas removal and silicascale control equipment. The plant would process up to 75,000 gallons of brine per day. (MCW)

Spiewak, I.; Hise, E.C.; Reed, S.A.; Thompson, S.A.

1970-03-01T23:59:59.000Z

24

Assessment of geothermal development in the Imperial Valley of California. Volume 2. Environmental control technology  

DOE Green Energy (OSTI)

Environmental control technologies are essential elements to be included in the overall design of Imperial Valley geothermal power systems. Environmental controls applicable to abatement of hydrogen sulfide emissions, cooling tower drift, noise, liquid and solid wastes, and induced subsidence and seismicity are assessed here. For optimum abatement of H{sub 2}S under a variety of plant operating conditions, removal of H{sub 2}S upstream of the steam turbine is recommended. The environmental impact of cooling tower drift will be closely tied to the quality of cooling water supplies. Conventional noise abatement procedures can be applied and no special research and development are needed. Injection technology constitutes the primary and most essential environmental control and liquid waste disposal technology for Imperial Velley geothermal operations. Subsurface injection of fluids is the primary control for managing induced subsidence. Careful maintenance of injection pressure is expected to control induced seismicity. (MHR)

Morris, W.; Hill, J. (eds.)

1980-07-01T23:59:59.000Z

25

Investigation of ecosystems impacts from geothermal development in Imperial Valley, California  

DOE Green Energy (OSTI)

A summary of three years of field ecological investigation in Imperial Valley Environmental Program is presented. The potential terrestrial habitat impacts of geothermal development are discussed for shorebirds and waterfowl habitat, the endangered clapper rail, powerline corridors, noise effects, animal trace element burdens, and the desert community. Aquatic habitats are discussed in terms of Salton Sea salinity, effects of geothermal brine discharges to the Salton Sea, trace element baselines, and potential toxicity of brine spills in freshwater. Studies of impacts on agriculture involved brine movement in soil, release of trace metals, trace element baselines in soil and plants, water requirements of crops, and H{sub 2}S effects on crop production in the presence of CO{sub 2} and ozone.

Shinn, J.H.; Ireland, R.R.; Kercher, J.R.; Koranda, J.J.; Tompkins, G.A.

1979-07-13T23:59:59.000Z

26

Geothermal environmental studies, Heber Region, Imperial Valley, California. Environmental baseline data acquisition. Final report  

DOE Green Energy (OSTI)

The Electric Power Research Institute (EPRI) has been studying the feasibility of a Low Salinity Hydrothermal Demonstration Plant as part of its Geothermal Energy Program. The Heber area of the Imperial Valley was selected as one of the candidate geothermal reservoirs. Documentation of the environmental conditions presently existing in the Heber area is required for assessment of environmental impacts of future development. An environmental baseline data acquisition program to compile available data on the environment of the Heber area is reported. The program included a review of pertinent existing literature, interviews with academic, governmental and private entities, combined with field investigations and meteorological monitoring to collect primary data. Results of the data acquisition program are compiled in terms of three elements: the physical, the biological and socioeconomic settings.

Not Available

1977-02-01T23:59:59.000Z

27

Reconnaissance for mercury over geothermal areas of the Imperial Valley, California. [Analysis of samples of soil gas and gas from drill holes  

DOE Green Energy (OSTI)

Nine samples of soil gas and gas from drill holes were collected over and near two geothermal anomalies in the Imperial Valley, California, to measure the possible presence of mercury. With the instrumentation used, the smallest quantity of mercury that could be detected was 2 nanograms. No mercury was detected in any sample.

Hinkle, M.E.; Vaughn, W.W.

1973-01-01T23:59:59.000Z

28

Baseline studies in the desert ecosystem at East Mesa Geothermal Test Site, Imperial Valley, California  

DOE Green Energy (OSTI)

Baseline data reported herein for soil, vegetation, and small mammal components of the East Mesa desert ecosystem represent a collection period from October 1975 to September 1977. Inasmuch as changes in salt balance from geothermal brine sources are of potential impact upon the ecosystem, considerable analytical effort was given to the determination of element constituents in soil, plant, and animal samples. A preliminary synthesis of data was done to investigate the heterogeneity of element constituents among the sampled population and to summarize results. Findings indicate that periodic sampling and chemical analysis of vegetation around an industrialized geothermal energy source is probably the best way to monitor the surrounding ecosystem for assuring containment of any resource pollutants.

Romney, E.M.; Wallace, A.; Lunt, O.R.; Ackerman, T.A.; Kinnear, J.E.

1977-09-01T23:59:59.000Z

29

ERDA Geothermal Component Test Facility (GCTF), East Mesa, Imperial Valley, California. Test operations management plan  

DOE Green Energy (OSTI)

Discussion of the operation of the Geothermal Component Test Facility (GCTF), established for testing heat extraction and energy conversion equipment and materials, is presented under the following section headings: purposes of the facility; operating policies: service, conflicts, safety and environmental, investigator activities, shops and equipment, and test certification; organization: chart; Lawrence Berkely Laboratory: organization, responsibilities, individual responsibilities, and funding; Bureau of Reclamation: organization, responsibilities, and funding; operations contractor: contract, qualifications, and personnel; Test Operations Advisory Board; experiment processing: test acceptance, scheduling and priorities, cost reimbursement, and activities flow chart.

Not Available

1976-01-01T23:59:59.000Z

30

Analysis of the apiclutural industry in relation to geothermal development and agriculture in the Imperial Valley, Imperial County, California  

DOE Green Energy (OSTI)

PART I: Continuous exposure to 30 ppB H/sub 2/S increased lifespan of caged worker honey bees, Apis mellifera L., 33%; whereas, bees exposed > 13 days to 100 ppB and 300 ppB H/sub 2/S the lifespan was shortened 32% and 51%, respectively, over unexposed bees; bees exposed > 15 days to a combination of 300 ppB H/sub 2/S + 50 ppM CO/sub 2/ the lifespan was shortened 4.4% more that 300 ppB H/sub 2/S alone. The mean temperature and/or relative humidity did not exert a direct effect on the hazard to bees. A continuous exposure to 300 ppB SO/sub 2/ was detrimental to caged worker honey bees; and, a mean temperature of 27.2/sup 0/C was 75.7% more toxic than the same dosage at 16.7/sup 0/C. Worker bee lifespans exposed to 300 ppB SO/sub 2/ at 16.7/sup 0/C were shortened 13.5% and 79%, respectively, compared to unexposed bees. Therefore, both dosage and temperature exert direct effects on the hazards to bees. PART II: The status of the apicultural industry in Imperial County, California, was outlined giving a short characterization of the area in relation to the apicultural industry. Agriculture utilizes 500,000 intensely farmed acres which generated a 11-year average income of $370 million. Over 40 agricultural commodities are produced. The apicultural industry is intimately involved in 25% of the total gross agricultural income. In addition, most of the flora growing in the desert community which comprises the remainder of the county are very important to honey bees by providing sustaining nectar and/or pollen for brood rearing. The bee foraged flora provides substantial bee forage when colonies are located outside of the agriculutral area. It is concluded that geothermal resource development in the Imperial Valley is contemplated to have minimal effects on the apicultural industry.

Atkins, E.L.

1979-04-01T23:59:59.000Z

31

Compound and Elemental Analysis At Dixie Valley Geothermal Field Area  

Open Energy Info (EERE)

Compound and Elemental Analysis At Dixie Valley Compound and Elemental Analysis At Dixie Valley Geothermal Field Area (Wood, 2002) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Compound and Elemental Analysis Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Geothermal fluids from hot springs and wells have been sampled from a number of locations, including: 1) the North Island of New Zealand (three sets of samples from three different years) and the South Island of New Zealand (1 set of samples); 2) the Cascades of Oregon; 3) the Harney, Alvord Desert and Owyhee geothermal areas of Oregon; 4) the Dixie Valley and Beowawe fields in Nevada; 5) Palinpiiion, the Philippines; 6) the Salton Sea and Heber geothermal fields of southern California; and 7) the

32

Pumpernickel Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Pumpernickel Valley Geothermal Area Pumpernickel Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Pumpernickel Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (1) 9 Exploration Activities (0) 10 References Map: Pumpernickel Valley Geothermal Area Pumpernickel Valley Geothermal Area Location Map Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Northwest Basin and Range Geothermal Region GEA Development Phase: none"None" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

33

Update On Geothermal Exploration At Fort Bidwell, Surprise Valley  

Open Energy Info (EERE)

Geothermal Exploration At Fort Bidwell, Surprise Valley Geothermal Exploration At Fort Bidwell, Surprise Valley California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Update On Geothermal Exploration At Fort Bidwell, Surprise Valley California Details Activities (1) Areas (1) Regions (0) Abstract: A fourth exploration well within Fort Bidwell Indian Community (FBIC) lands has been successfully drilled to a total depth of 4,670 feet. Mud return temperatures and cuttings analysis are consistent with the hydrothermal model on which the well location was based. Wireline surveys have encountered an obstruction just below the casing shoe, and further evaluation of this well and resource awaits clean-out and testing activities. Author(s): Joe LaFleur, Anna Carter, Karen Moore, Ben Barker, Paul

34

Coachella Valley Fish Farm Aquaculture Low Temperature Geothermal Facility  

Open Energy Info (EERE)

Coachella Valley Fish Farm Aquaculture Low Temperature Geothermal Facility Coachella Valley Fish Farm Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name Coachella Valley Fish Farm Aquaculture Low Temperature Geothermal Facility Facility Coachella Valley Fish Farm Sector Geothermal energy Type Aquaculture Location Mecca, California Coordinates 33.571692°, -116.0772244° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

35

Indian Valley Hospital Space Heating Low Temperature Geothermal Facility |  

Open Energy Info (EERE)

Valley Hospital Space Heating Low Temperature Geothermal Facility Valley Hospital Space Heating Low Temperature Geothermal Facility Jump to: navigation, search Name Indian Valley Hospital Space Heating Low Temperature Geothermal Facility Facility Indian Valley Hospital Sector Geothermal energy Type Space Heating Location Greenville, California Coordinates 40.1396126°, -120.9510675° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

36

Lualualei Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Lualualei Valley Geothermal Area (Redirected from Lualualei Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Lualualei Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (7) 10 References Area Overview Geothermal Area Profile Location: Hawaii Exploration Region: Hawaii Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content

37

Geothermal resources in California: potentials and problems  

DOE Green Energy (OSTI)

The technology, cost and potential of geothermal resources in California are examined. The production of power from dry stream fields is expanding in Northern California, at The Geysers, at costs that compare favorably with alternate means of generation. The possibility exists that economic production of power can be started in the Imperial Valley, but numerous issues remain to be resolved; chief among them is the demonstration that commercially valuable aquifers indeed exist. The production of demineralized water from the geothermal fluids of the Imperial Valley depends, among other things, upon the identification of other sources of water for power plant cooling, or for reservoir reinjection, should it be necessary to avoid subsidence. It would appear that water production, without the income-producing capability of associated power generation, is not economically reasonable. The pace of geothermal development at the Geysers could probably be accelerated perhaps offering the opportunity for maintenance of adequate generating reserves should their nuclear construction program be delayed. The unknown factors and risks involved seem to preclude the Imperial Valley resource from being immediately effective in improving the power generation picture in Southern California. However, in the next decade, geothermal power could provide a useful energy increment, perhaps 10 percent of peak load. Associated water production could offer relief for the Imperial Valley in its predicted water quality problem. The pace of public and private development in the Imperial Valley seems incommensurately slow in relation to the potential of the resource. Geothermal power and water production is not intrinsically pollution-free, but appropriate environmental protection is possible.

Goldsmith, M.

1971-12-01T23:59:59.000Z

38

Dixie Valley Geothermal Facility | Open Energy Information  

Open Energy Info (EERE)

Dixie Valley Geothermal Facility Dixie Valley Geothermal Facility Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Dixie Valley Geothermal Facility General Information Name Dixie Valley Geothermal Facility Facility Dixie Valley Sector Geothermal energy Location Information Location Dixie Valley, Nevada Coordinates 39.966973991529°, -117.85519123077° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.966973991529,"lon":-117.85519123077,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

39

Dixie Valley Geothermal Field | Open Energy Information  

Open Energy Info (EERE)

Not Provided DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Dixie Valley Geothermal Field Citation Online Nevada Encyclopedia. Dixie...

40

Egs Exploration Methodology Project Using the Dixie Valley Geothermal  

Open Energy Info (EERE)

Egs Exploration Methodology Project Using the Dixie Valley Geothermal Egs Exploration Methodology Project Using the Dixie Valley Geothermal System, Nevada, Status Update Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Egs Exploration Methodology Project Using the Dixie Valley Geothermal System, Nevada, Status Update Authors Joe Iovenitti, Jon Sainsbury, Ileana Tibuleac, Robert Karlin, Philip Wannamaker, Virginia Maris, David Blackwell, Mahesh Thakur, Fletcher H. Ibser, Jennifer Lewicki, B. Mack. Kennedy and Michael Swyer Conference Thirty-Eighth Workshop on Geothermal Reservoir Engineering Stanford University; Stanford, California; 2013 Published Publisher Not Provided, 2013 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Egs Exploration Methodology Project Using the

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Modeling-Computer Simulations At Dixie Valley Geothermal Field...  

Open Energy Info (EERE)

navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Dixie Valley Geothermal Field Area (Wisian & Blackwell, 2004)...

42

Direct-Current Resistivity At Dixie Valley Geothermal Field Area...  

Open Energy Info (EERE)

Home Exploration Activity: Direct-Current Resistivity At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field...

43

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell...  

Open Energy Info (EERE)

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2009) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique...

44

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell...  

Open Energy Info (EERE)

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2003) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique...

45

Lualualei Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Lualualei Valley Geothermal Area Lualualei Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Lualualei Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (7) 10 References Area Overview Geothermal Area Profile Location: Hawaii Exploration Region: Hawaii Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content History and Infrastructure Operating Power Plants: 0 No geothermal plants listed. Add a new Operating Power Plant

46

Gabbs Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Gabbs Valley Geothermal Area Gabbs Valley Geothermal Area (Redirected from Gabbs Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Gabbs Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (4) 9 Exploration Activities (11) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Central Nevada Seismic Zone GEA Development Phase: None"None" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

47

Jersey Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Jersey Valley Geothermal Area Jersey Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Jersey Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (1) 9 Exploration Activities (0) 10 References Area Overview Geothermal Area Profile Location: near Fallon, NV Exploration Region: Central Nevada Seismic Zone Geothermal Region GEA Development Phase: None"None" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

48

Valley Fish Farms Aquaculture Low Temperature Geothermal Facility | Open  

Open Energy Info (EERE)

Fish Farms Aquaculture Low Temperature Geothermal Facility Fish Farms Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name Valley Fish Farms Aquaculture Low Temperature Geothermal Facility Facility Valley Fish Farms Sector Geothermal energy Type Aquaculture Location Imperial, California Coordinates 32.8475528°, -115.5694391° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

49

Surprise Valley Hospital Space Heating Low Temperature Geothermal Facility  

Open Energy Info (EERE)

Hospital Space Heating Low Temperature Geothermal Facility Hospital Space Heating Low Temperature Geothermal Facility Jump to: navigation, search Name Surprise Valley Hospital Space Heating Low Temperature Geothermal Facility Facility Surprise Valley Hospital Sector Geothermal energy Type Space Heating Location Cedarville, California Coordinates 41.5290606°, -120.1732781° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

50

GEOTHERMAL RESOURCE AND RESERVOIR INVESTIGATIONS OF U.S. BUREAU OF RECLAMATION LEASEHOLDS AT EAST MESA, IMPERIAL VALLEY, CALIFORNIA  

E-Print Network (OSTI)

to assess their geothermal desalination program. The studyavailability of fluid for desalination and the geochemistrywere appropriate for the USBR desalination project. In both

2009-01-01T23:59:59.000Z

51

Susanville Geothermal Investigations, California, Special Report  

DOE Green Energy (OSTI)

This report documents the investigations by the Bureau of Reclamation and others of the geothermal resource potential of the Susanville-Honey Lake Valley area, California, made during 1975 and the early part of 1976. Included are discussions on the nature of the resource and the analyses of the data gathered. Susanville is located in northeastern California about 210 miles (330 kilometers) northeast of San Francisco. The purpose of the study was to appraise the geothermal resources in the Susanville-Honey Lake area within the constraints of limited funds and available personnel. The main thrust of the studies consisted of: gathering and analyzing existing data; conducting and evaluating an electrical resistivity survey and an aerial thermal infrared survey; and drilling and logging of temperature gradient holes. The heat flow or energy potential of the resource was not determined.

none

1976-06-01T23:59:59.000Z

52

Pumpernickel Valley Geothermal Project Thermal Gradient Wells  

DOE Green Energy (OSTI)

The Pumpernickel Valley geothermal project area is located near the eastern edge of the Sonoma Range and is positioned within the structurally complex Winnemucca fold and thrust belt of north-central Nevada. A series of approximately north-northeast-striking faults related to the Basin and Range tectonics are superimposed on the earlier structures within the project area, and are responsible for the final overall geometry and distribution of the pre-existing structural features on the property. Two of these faults, the Pumpernickel Valley fault and Edna Mountain fault, are range-bounding and display numerous characteristics typical of strike-slip fault systems. These characteristics, when combined with geophysical data from Shore (2005), indicate the presence of a pull-apart basin, formed within the releasing bend of the Pumpernickel Valley Edna Mountain fault system. A substantial body of evidence exists, in the form of available geothermal, geological and geophysical information, to suggest that the property and the pull-apart basin host a structurally controlled, extensive geothermal field. The most evident manifestations of the geothermal activity in the valley are two areas with hot springs, seepages, and wet ground/vegetation anomalies near the Pumpernickel Valley fault, which indicate that the fault focuses the fluid up-flow. There has not been any geothermal production from the Pumpernickel Valley area, but it was the focus of a limited exploration effort by Magma Power Company. In 1974, the company drilled one exploration/temperature gradient borehole east of the Pumpernickel Valley fault and recorded a thermal gradient of 160oC/km. The 1982 temperature data from five unrelated mineral exploration holes to the north of the Magma well indicated geothermal gradients in a range from 66 to 249oC/km for wells west of the fault, and ~283oC/km in a well next to the fault. In 2005, Nevada Geothermal Power Company drilled four geothermal gradient wells, PVTG-1, -2, -3, and -4, and all four encountered geothermal fluids. The holes provided valuable water geochemistry, supporting the geothermometry results obtained from the hot springs and Magma well. The temperature data gathered from all the wells clearly indicates the presence of a major plume of thermal water centered on the Pumpernickel Valley fault, and suggests that the main plume is controlled, at least in part, by flow from this fault system. The temperature data also defines the geothermal resource with gradients >100oC/km, which covers an area a minimum of 8 km2. Structural blocks, down dropped with respect to the Pumpernickel Valley fault, may define an immediate reservoir. The geothermal system almost certainly continues beyond the recently drilled holes and might be open to the east and south, whereas the heat source responsible for the temperatures associated with this plume has not been intersected and must be at a depth greater than 920 meters (depth of the deepest well Magma well). The geological and structural setting and other characteristics of the Pumpernickel Valley geothermal project area are markedly similar to the portions of the nearby Dixie Valley geothermal field. These similarities include, among others, the numerous, unexposed en echelon faults and large-scale pull-apart structure, which in Dixie Valley may host part of the geothermal field. The Pumpernickel Valley project area, for the majority of which Nevada Geothermal Power Company has geothermal rights, represents a geothermal site with a potential for the discovery of a relatively high temperature reservoir suitable for electric power production. Among locations not previously identified as having high geothermal potential, Pumpernickel Valley has been ranked as one of four sites with the highest potential for electrical power production in Nevada (Shevenell and Garside, 2003). Richards and Blackwell (2002) estimated the total heat loss and the preliminary production capacity for the entire Pumpernickel Valley geothermal system to be at 35MW. A more conservative estimate, for

Z. Adam Szybinski

2006-01-01T23:59:59.000Z

53

Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site,  

Open Energy Info (EERE)

Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site, Dixie Valley, Nevada Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site, Dixie Valley, Nevada Author Gabriel L. Plank Published Journal Geothermal Resources Council Transactions, 1995 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site, Dixie Valley, Nevada Citation Gabriel L. Plank. 1995. Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site, Dixie Valley, Nevada. Geothermal Resources Council Transactions. 19: (!) . Retrieved from "http://en.openei.org/w/index.php?title=Structure,_Stratigraphy,_and_Tectonics_of_the_Dixie_Valley_Geothermal_Site,_Dixie_Valley,_Nevada&oldid=682622"

54

Sierra Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Sierra Valley Geothermal Area Sierra Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Sierra Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (1) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.71166667,"lon":-120.3216667,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

55

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

Open Energy Info (EERE)

Gulf of California Rift Zone Geothermal Region Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Gulf of California Rift Zone Geothermal Region edit Details Areas (15)...

56

Non-Double-Couple Microearthquakes At Long Valley Caldera, California,  

Open Energy Info (EERE)

Non-Double-Couple Microearthquakes At Long Valley Caldera, California, Non-Double-Couple Microearthquakes At Long Valley Caldera, California, Provide Evidence For Hydraulic Fracturing Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Non-Double-Couple Microearthquakes At Long Valley Caldera, California, Provide Evidence For Hydraulic Fracturing Details Activities (1) Areas (1) Regions (0) Abstract: Most of 26 small (0.4<~M<~3.1) microearthquakes at Long Valley caldera in mid-1997, analyzed using data from a dense temporary network of 69 digital three-component seismometers, have significantly non-double-couple focal mechanisms, inconsistent with simple shear faulting. We determined their mechanisms by inverting P- and S-wave polarities and amplitude ratios using linear-programming methods, and

57

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

Open Energy Info (EERE)

of California Rift Zone Geothermal Region (Redirected from Gulf of California Rift Zone) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Gulf of California Rift Zone...

58

Isotopic Analysis-Fluid At Long Valley Caldera Geothermal Area (1977) |  

Open Energy Info (EERE)

Fluid At Long Valley Caldera Geothermal Area (1977) Fluid At Long Valley Caldera Geothermal Area (1977) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis-Fluid At Long Valley Caldera Geothermal Area (1977) Exploration Activity Details Location Long Valley Caldera Geothermal Area Exploration Technique Isotopic Analysis-Fluid Activity Date 1977 Usefulness not indicated DOE-funding Unknown Exploration Basis Estimate deep reservoir temperature Notes The oxygen isotope compositions of dissolved sulfate and water from hot springs and shallow drillholes have been tested. Methods are described to calculate the effects of boiling and dilution. The geothermometer, is applied to thermal systems of Yellowstone Park, Wyoming, Long Valley, California, and Raft River, Idaho to estimate deep reservoir temperatures

59

Water Sampling At Dixie Valley Geothermal Field Area (Wood, 2002) | Open  

Open Energy Info (EERE)

Water Sampling At Dixie Valley Geothermal Field Area Water Sampling At Dixie Valley Geothermal Field Area (Wood, 2002) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Water Sampling Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Geothermal fluids from hot springs and wells have been sampled from a number of locations, including: 1) the North Island of New Zealand (three sets of samples from three different years) and the South Island of New Zealand (1 set of samples); 2) the Cascades of Oregon; 3) the Harney, Alvord Desert and Owyhee geothermal areas of Oregon; 4) the Dixie Valley and Beowawe fields in Nevada; 5) Palinpiiion, the Philippines; 6) the Salton Sea and Heber geothermal fields of southern California; and 7) the

60

Geothermal Literature Review At Fish Lake Valley Area (Deymonaz...  

Open Energy Info (EERE)

Search Page Edit History Facebook icon Twitter icon Geothermal Literature Review At Fish Lake Valley Area (Deymonaz, Et Al., 2008) Jump to: navigation, search GEOTHERMAL...

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Aerial Photography At Dixie Valley Geothermal Field Area (Blackwell...  

Open Energy Info (EERE)

search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Aerial Photography At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2003) Exploration Activity Details...

62

Aerial Photography At Dixie Valley Geothermal Field Area (Wesnousky...  

Open Energy Info (EERE)

search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Aerial Photography At Dixie Valley Geothermal Field Area (Wesnousky, Et Al., 2003) Exploration Activity Details...

63

Field Mapping At Dixie Valley Geothermal Field Area (Wesnousky...  

Open Energy Info (EERE)

search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At Dixie Valley Geothermal Field Area (Wesnousky, Et Al., 2003) Exploration Activity Details...

64

Modeling-Computer Simulations At Dixie Valley Geothermal Field...  

Open Energy Info (EERE)

navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2009)...

65

Modeling-Computer Simulations At Dixie Valley Geothermal Field...  

Open Energy Info (EERE)

Modeling-Computer Simulations At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

66

Water Sampling At Dixie Valley Geothermal Field Area (Kennedy...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Exploration...

67

Clayton Valley Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

Clayton Valley Geothermal Project Clayton Valley Geothermal Project Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Development Project: Clayton Valley Geothermal Project Project Location Information Coordinates 37.755°, -117.63472222222° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.755,"lon":-117.63472222222,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

68

Gabbs Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Gabbs Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Gabbs Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (4) 9 Exploration Activities (11) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Central Nevada Seismic Zone GEA Development Phase: None"None" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

69

Ground Gravity Survey At Dixie Valley Geothermal Field Area ...  

Open Energy Info (EERE)

In Dixie Valley, Nevada Retrieved from "http:en.openei.orgwindex.php?titleGroundGravitySurveyAtDixieValleyGeothermalFieldArea(Blackwell,EtAl.,2009)&oldid38834...

70

Dixie Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Dixie Valley Geothermal Area Dixie Valley Geothermal Area (Redirected from Dixie Valley Geothermal Field Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Dixie Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (6) 9 Exploration Activities (25) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.967665,"lon":-117.855074,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

71

Overview Of The Lake City, California Geothermal System | Open Energy  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Overview Of The Lake City, California Geothermal System Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Overview Of The Lake City, California Geothermal System Details Activities (1) Areas (1) Regions (0) Abstract: Following a spectacular mud volcano eruption in 1951, the Lake City geothermal system has been intermittently explored for 44 years. A discovery well was drilled 30 years ago. The geothermal system is associated with a two mile-long, north-south trending, abnormally complex section of the active Surprise Valley fault zone that has uplifted the

72

California/Geothermal | Open Energy Information  

Open Energy Info (EERE)

California/Geothermal California/Geothermal < California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Print PDF California Geothermal General Regulatory Roadmap Geothermal Power Projects Under Development in California Developer Location Estimated Capacity (MW) Development Phase Geothermal Area Geothermal Region Alum Geothermal Project Ram Power Silver Peak, Nevada 64 MW64,000 kW 64,000,000 W 64,000,000,000 mW 0.064 GW 6.4e-5 TW Phase II - Resource Exploration and Confirmation Alum Geothermal Area Walker-Lane Transition Zone Geothermal Region Bald Mountain Geothermal Project Oski Energy LLC Susanville, California 20 MW20,000 kW 20,000,000 W 20,000,000,000 mW 0.02 GW 2.0e-5 TW Phase II - Resource Exploration and Confirmation Black Rock I Geothermal Project CalEnergy Generation Phase III - Permitting and Initial Development North Shore Mono Lake Geothermal Area Walker-Lane Transition Zone Geothermal Region

73

Grass Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Grass Valley Geothermal Area Grass Valley Geothermal Area (Redirected from Grass Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Grass Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (2) 9 Exploration Activities (1) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.60333333,"lon":-117.645,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

74

Dixie Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Dixie Valley Geothermal Area Dixie Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Dixie Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (6) 9 Exploration Activities (25) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.967665,"lon":-117.855074,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

75

Grass Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Grass Valley Geothermal Area Grass Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Grass Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (2) 9 Exploration Activities (1) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.60333333,"lon":-117.645,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

76

Little Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Little Valley Geothermal Area Little Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Little Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (2) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.89166667,"lon":-117.5,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

77

California Desert Fish Farm Aquaculture Low Temperature Geothermal...  

Open Energy Info (EERE)

California Desert Fish Farm Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name California Desert Fish Farm Aquaculture Low Temperature Geothermal...

78

California Division of Oil, Gas, and Geothermal Resources - GIS...  

Open Energy Info (EERE)

Division of Oil, Gas, and Geothermal Resources - GIS and Well data The California Division of Oil, Gas, and Geothermal Resources contains oil, gas, and geothermal data for the...

79

Heat flow studies, Coso Geothermal Area, China Lake, California...  

Open Energy Info (EERE)

studies, Coso Geothermal Area, China Lake, California. Technical report Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Heat flow studies, Coso Geothermal...

80

MICROSEISMS IN GEOTHERMAL EXPLORATION: STUDIES IN GRASS VALLEY, NEVADA  

E-Print Network (OSTI)

period seismic noise (T>30 sec) . . . 2.5 Geothermal ground226. Clacy, G.R.T. ? 1968, Geothermal ground noise amplitudestudies at the Cos0 geothermal area, China Lake, California:

Liaw, A.L.C.

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Petrology and stable isotope geochemistry of three wells in the Buttes area of the Salton Sea Geothermal Field, Imperial Valley, California, USA  

DOE Green Energy (OSTI)

A detailed investigation is reported of cuttings recovered from three wells in the Salton Sea geothermal field located at the southeast end of the Salton Sea, California. The wells, Magmamax No. 2, Magmamax No. 3, and Woolsey No. 1 penetrate 1340 m, 1200 m, and 730 m, respectively, of altered sandstones, siltstones, and shales of the Colorado River delta. The wells are located at the crest of a thermal anomaly, reach a maximum of 320/sup 0/C at 1070 m, and produce a brine containing approximately 250,000 mg/1 of dissolved solids.

Kendall, C.

1976-12-01T23:59:59.000Z

82

Little Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Little Valley Geothermal Area (Redirected from Little Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Little Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (2) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.89166667,"lon":-117.5,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

83

Whirlwind Valley Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

Whirlwind Valley Geothermal Project Whirlwind Valley Geothermal Project Project Location Information Coordinates 39.4375°, -113.87583333333° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.4375,"lon":-113.87583333333,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

84

High Valley Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

High Valley Geothermal Project High Valley Geothermal Project Project Location Information Coordinates 38.863611111111°, -122.80138888889° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.863611111111,"lon":-122.80138888889,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

85

Dixie Valley Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

Dixie Valley Geothermal Project Dixie Valley Geothermal Project Project Location Information Coordinates 39.7223036°, -118.0616895° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.7223036,"lon":-118.0616895,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

86

North Valley Geothermal Project | Open Energy Information  

Open Energy Info (EERE)

North Valley Geothermal Project North Valley Geothermal Project Project Location Information Coordinates 39.830833333333°, -119° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.830833333333,"lon":-119,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

87

Isotopic Analysis At Dixie Valley Geothermal Field Area (Laney, 2005) |  

Open Energy Info (EERE)

Isotopic Analysis At Dixie Valley Geothermal Field Area (Laney, 2005) Isotopic Analysis At Dixie Valley Geothermal Field Area (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Isotopic Analysis- Fluid Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas and Isotopes Geochemistry, Kennedy, van Soest and Shevenell. During FY04, we concentrated on two primary projects. The first was a detailed study of helium isotope systematics throughout Dixie Valley and the inter-relationship between the Dixie Valley geothermal reservoir and local hydrology. The second is the construction of a helium isotope "map" of the

88

Aluto-Langano Geothermal Field, Ethiopian Rift Valley- Physical  

Open Energy Info (EERE)

Aluto-Langano Geothermal Field, Ethiopian Rift Valley- Physical Aluto-Langano Geothermal Field, Ethiopian Rift Valley- Physical Characteristics And The Effects Of Gas On Well Performance Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Aluto-Langano Geothermal Field, Ethiopian Rift Valley- Physical Characteristics And The Effects Of Gas On Well Performance Details Activities (0) Areas (0) Regions (0) Abstract: This study, which focuses on the Aluto-Langano geothermal field, is part of the ongoing investigations of the geothermal systems in the Ethiopian Rift Valley. Aluto-Langano is a water-dominated gas-rich geothermal field, with a maximum temperature close to 360°C, in the Lakes District region of the Ethiopian Rift Valley. The upflow zone for the system lies along a deep, young NNE trending fault and is characterized by

89

Railroad Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

form form View source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit with form History Facebook icon Twitter icon » Railroad Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Railroad Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (1) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.434,"lon":-115.529,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

90

Regional hydrology of the Dixie Valley geothermal field, Nevada...  

Open Energy Info (EERE)

Counc, 1999 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Regional hydrology of the Dixie Valley geothermal field, Nevada- Preliminary...

91

Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal...  

Open Energy Info (EERE)

1995 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Structure, Stratigraphy, and Tectonics of the Dixie Valley Geothermal Site,...

92

Egs Exploration Methodology Project Using the Dixie Valley Geothermal...  

Open Energy Info (EERE)

2013 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Egs Exploration Methodology Project Using the Dixie Valley Geothermal...

93

An investigation of the Dixie Valley geothermal field, Nevada...  

Open Energy Info (EERE)

2007 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for An investigation of the Dixie Valley geothermal field, Nevada, using...

94

Ground Gravity Survey At Dixie Valley Geothermal Field Area ...  

Open Energy Info (EERE)

Details Location Dixie Valley Geothermal Field Area Exploration Technique Ground Gravity Survey Activity Date Usefulness useful DOE-funding Unknown Notes The gravity data are...

95

Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy...  

Open Energy Info (EERE)

| Sign Up Search Page Edit History Facebook icon Twitter icon Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Jump to: navigation, search...

96

Aeromagnetic Survey At Dixie Valley Geothermal Field Area (Blackwell...  

Open Energy Info (EERE)

Details Location Dixie Valley Geothermal Field Area Exploration Technique Aeromagnetic Survey Activity Date Usefulness useful DOE-funding Unknown Notes In 2002 a high-resolution...

97

Cuttings Analysis At Imperial Valley Geothermal Area (1976) | Open Energy  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Cuttings Analysis At Imperial Valley Geothermal Area (1976) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Cuttings Analysis At Imperial Valley Geothermal Area (1976) Exploration Activity Details Location Imperial Valley Geothermal Area Exploration Technique Cuttings Analysis Activity Date 1976 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the geologic environment of the geothermal area Notes The geologic environment of the particular areas of interest are described, including rock types, geologic structure, and other important parameters

98

The Climate of Death Valley, California  

Science Conference Proceedings (OSTI)

Death Valley, California, is one of the most extreme environments in the world. The floor of the valley, which is below sea level, is one of the hottest and driest places on Earth. This article and associated data files compile and describe the ...

Steven Roof; Charlie Callagan

2003-12-01T23:59:59.000Z

99

Magnetotellurics At Dixie Valley Geothermal Field Area (Laney, 2005) | Open  

Open Energy Info (EERE)

2005) 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Magnetotellurics At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Magnetotellurics Activity Date Usefulness useful DOE-funding Unknown Notes Structural Controls, Alteration, Permeability and Thermal Regime of Dixie Valley from New-Generation Mt/Galvanic Array Profiling, Phillip Wannamaker. A new-generation MT/DC array resistivity measurement system was applied at the Dixie Valley thermal area. Basic goals of the survey are 1), resolve a fundamental structural ambiguity at the Dixie Valley thermal area (single rangefront fault versus shallower, stepped pediment; 2), delineate fault

100

An investigation of the Dixie Valley geothermal field, Nevada, using  

Open Energy Info (EERE)

investigation of the Dixie Valley geothermal field, Nevada, using investigation of the Dixie Valley geothermal field, Nevada, using temporal moment analysis of tracer tests Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: An investigation of the Dixie Valley geothermal field, Nevada, using temporal moment analysis of tracer tests Author Marshall J. Reed Conference Proceedings, 32nd Workshop on Geothermal Reservoir Engineering; Stanford University; 2007 Published Publisher Not Provided, 2007 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for An investigation of the Dixie Valley geothermal field, Nevada, using temporal moment analysis of tracer tests Citation Marshall J. Reed. 2007. An investigation of the Dixie Valley geothermal field, Nevada, using temporal moment analysis of tracer tests. In:

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Aerial Photography At Dixie Valley Geothermal Field Area (Blackwell, Et  

Open Energy Info (EERE)

Et Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Aerial Photography At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2003) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Aerial Photography Activity Date Usefulness not indicated DOE-funding Unknown Notes Geologic mapping from air photos in some places clearly located the structures in the valley and hence is very site specific. References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of Basin And Range Systems, Especially Dixie Valley Geothermal Field, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Aerial_Photography_At_Dixie_Valley_Geothermal_Field_Area_(Blackwell,_Et_Al.,_2003)&oldid=388817

102

Hyperspectral Imaging At Dixie Valley Geothermal Field Area (Laney, 2005) |  

Open Energy Info (EERE)

Imaging At Dixie Valley Geothermal Field Area (Laney, 2005) Imaging At Dixie Valley Geothermal Field Area (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Hyperspectral Imaging At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Hyperspectral Imaging Activity Date Spectral Imaging Sensor AVIRIS Usefulness useful DOE-funding Unknown Notes Geology and Geophysics of Geothermal Systems, Gregory Nash, 2005. Hyperspectral data was also used to successfully map soil-mineral anomalies that are structurally related in Dixie Valley, Nevada. In the area of the power plant, 20 m spatial resolution AVIRIS data were used. For Dixie Meadows, Nevada, 3 m spatial resolution HyVista HyMap hyperspectral data

103

Valley Of Ten Thousand Smokes Region Geothermal Area | Open Energy  

Open Energy Info (EERE)

Valley Of Ten Thousand Smokes Region Geothermal Area Valley Of Ten Thousand Smokes Region Geothermal Area (Redirected from Valley Of Ten Thousand Smokes Region Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Valley Of Ten Thousand Smokes Region Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (8) 10 References Area Overview Geothermal Area Profile Location: Alaska Exploration Region: Alaska Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content

104

Remote Sensing For Geothermal Exploration Over Buffalo Valley, Nv | Open  

Open Energy Info (EERE)

Sensing For Geothermal Exploration Over Buffalo Valley, Nv Sensing For Geothermal Exploration Over Buffalo Valley, Nv Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Remote Sensing For Geothermal Exploration Over Buffalo Valley, Nv Details Activities (1) Areas (1) Regions (0) Abstract: Remote sensing is a useful tool for identifying the surface expression of geothermal systems based on characteristic mineral assemblages that result from hydrothermal alteration (Kratt et al., 2004; Vaughan et al., 2005). Buffalo Valley in Pershing and Lander Counties, Nevada, is an area of high potential for geothermal energy production (Shevenell et al., 2004). Geothermal heat is expressed by several hot springs with surface temperatures of up to 79°C (Olmsted et al., 1975). The hot springs and a chain of Quaternary cinder cones appear to be

105

Walker Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Walker Lake Valley Geothermal Area Walker Lake Valley Geothermal Area (Redirected from Walker Lake Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Walker Lake Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (2) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Walker-Lane Transition Zone Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content History and Infrastructure Operating Power Plants: 0

106

Walker Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Walker Lake Valley Geothermal Area Walker Lake Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Walker Lake Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (2) 10 References Area Overview Geothermal Area Profile Location: Nevada Exploration Region: Walker-Lane Transition Zone Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content History and Infrastructure Operating Power Plants: 0 No geothermal plants listed.

107

Valley Of Ten Thousand Smokes Region Geothermal Area | Open Energy  

Open Energy Info (EERE)

Valley Of Ten Thousand Smokes Region Geothermal Area Valley Of Ten Thousand Smokes Region Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Valley Of Ten Thousand Smokes Region Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (8) 10 References Area Overview Geothermal Area Profile Location: Alaska Exploration Region: Alaska Geothermal Region GEA Development Phase: 2008 USGS Resource Estimate Mean Reservoir Temp: Estimated Reservoir Volume: Mean Capacity: Click "Edit With Form" above to add content History and Infrastructure Operating Power Plants: 0 No geothermal plants listed.

108

Analysis of Injection-Induced Micro-Earthquakes in a Geothermal Steam Reservoir, The Geysers Geothermal Field, California  

E-Print Network (OSTI)

Geothermal Field, Monograph on The Geysers GeothermalField, Geothermal Resources Council, Special Report no. 17,Subsidence at The Geysers geothermal field, N. California

Rutqvist, J.

2008-01-01T23:59:59.000Z

109

Isotopic Constraints on the Chemical Evolution of Geothermal Fluids, Long Valley, CA  

E-Print Network (OSTI)

Energy Sciences and Office of Geothermal Technologies underconcentrations in Long Valley geothermal waters discriminateand wells from the geothermal field and a nearby exploratory

Brown, Shaun

2010-01-01T23:59:59.000Z

110

Pumpernickel Valley Geothermal Project Thermal Gradient Wells | Open Energy  

Open Energy Info (EERE)

Valley Geothermal Project Thermal Gradient Wells Valley Geothermal Project Thermal Gradient Wells Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Pumpernickel Valley Geothermal Project Thermal Gradient Wells Details Activities (4) Areas (1) Regions (0) Abstract: The Pumpernickel Valley geothermal project area is located near the eastern edge of the Sonoma Range and is positioned within the structurally complex Winnemucca fold and thrust belt of north-central Nevada. A series of approximately north-northeast-striking faults related to the Basin and Range tectonics are superimposed on the earlier structures within the project area, and are responsible for the final overall geometry and distribution of the pre-existing structural features on the property. Two of these faults, the Pumpernickel Valley fault and Edna Mountain fault,

111

Isotopic Analysis- Fluid At Sierra Valley Geothermal Area (1990) | Open  

Open Energy Info (EERE)

Isotopic Analysis- Fluid At Sierra Valley Geothermal Area (1990) Isotopic Analysis- Fluid At Sierra Valley Geothermal Area (1990) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Sierra Valley Geothermal Area (1990) Exploration Activity Details Location Sierra Valley Geothermal Area Exploration Technique Isotopic Analysis- Fluid Activity Date 1990 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the recharge of the area Notes Hydrogen and oxygen isotope data on waters of Coso thermal and nonthermal waters were studied. Hydrogen and oxygen isotopes do not uniquely define the recharge area for the Coso geothermal system but strongly suggest Sierran recharge with perhaps some local recharge. References Whelan, J. A. (1 September 1990) Water geochemistry study of

112

Isotopic Analysis- Fluid At Indian Valley Hot Springs Geothermal Area  

Open Energy Info (EERE)

Isotopic Analysis- Fluid At Indian Valley Hot Springs Geothermal Area Isotopic Analysis- Fluid At Indian Valley Hot Springs Geothermal Area (1990) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Indian Valley Hot Springs Geothermal Area (1990) Exploration Activity Details Location Indian Valley Hot Springs Geothermal Area Exploration Technique Isotopic Analysis- Fluid Activity Date 1990 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the recharge of the area Notes Hydrogen and oxygen isotope data on waters of Coso thermal and nonthermal waters were studied. Hydrogen and oxygen isotopes do not uniquely define the recharge area for the Coso geothermal system but strongly suggest Sierran recharge with perhaps some local recharge. References

113

Isotopic Analysis- Fluid At Rose Valley Geothermal Area (1990) | Open  

Open Energy Info (EERE)

Isotopic Analysis- Fluid At Rose Valley Geothermal Area (1990) Isotopic Analysis- Fluid At Rose Valley Geothermal Area (1990) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Rose Valley Geothermal Area (1990) Exploration Activity Details Location Rose Valley Geothermal Area Exploration Technique Isotopic Analysis- Fluid Activity Date 1990 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the recharge of the area Notes Hydrogen and oxygen isotope data on waters of Coso thermal and nonthermal waters were studied. Hydrogen and oxygen isotopes do not uniquely define the recharge area for the Coso geothermal system but strongly suggest Sierran recharge with perhaps some local recharge. References Whelan, J. A. (1 September 1990) Water geochemistry study of

114

California Laws for Conservation of Geothermal Resources | Open...  

Open Energy Info (EERE)

Sign Up Search Page Edit History Facebook icon Twitter icon California Laws for Conservation of Geothermal Resources Jump to: navigation, search GEOTHERMAL ENERGYGeothermal...

115

Saline Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility |  

Open Energy Info (EERE)

Saline Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility Saline Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility Facility Saline Valley Hot Springs Sector Geothermal energy Type Pool and Spa Location Inyo County, California Coordinates 36.3091865°, -117.5495846° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

116

Indian Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility |  

Open Energy Info (EERE)

Indian Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility Indian Valley Hot Springs Pool & Spa Low Temperature Geothermal Facility Facility Indian Valley Hot Springs Sector Geothermal energy Type Pool and Spa Location Greenville, California Coordinates 40.1396126°, -120.9510675° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

117

Climatology of High Wind Events in the Owens Valley, California  

Science Conference Proceedings (OSTI)

The climatology of high wind events in the Owens Valley, California, a deep valley located just east of the southern Sierra Nevada, is described using data from six automated weather stations distributed along the valley axis in combination with ...

Shiyuan Zhong; Ju Li; C. David Whiteman; Xindi Bian; Wenqing Yao

2008-09-01T23:59:59.000Z

118

Regional hydrology of the Dixie Valley geothermal field, Nevada-  

Open Energy Info (EERE)

hydrology of the Dixie Valley geothermal field, Nevada- hydrology of the Dixie Valley geothermal field, Nevada- Preliminary interpretations of chemical and isotopic data Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Regional hydrology of the Dixie Valley geothermal field, Nevada- Preliminary interpretations of chemical and isotopic data Authors Gregory Nimz, Cathy Janik, Fraser Goff, Charles Dunlap, Mark Huebner, Dale Counce and Stuart D. Johnson Published Journal Trans Geotherm Resour Counc, 1999 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Regional hydrology of the Dixie Valley geothermal field, Nevada- Preliminary interpretations of chemical and isotopic data Citation Gregory Nimz,Cathy Janik,Fraser Goff,Charles Dunlap,Mark Huebner,Dale

119

Hydrologic Properties of the Dixie Valley, Nevada, Geothermal Reservoir  

Open Energy Info (EERE)

Hydrologic Properties of the Dixie Valley, Nevada, Geothermal Reservoir Hydrologic Properties of the Dixie Valley, Nevada, Geothermal Reservoir from Well-Test Analyses Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Hydrologic Properties of the Dixie Valley, Nevada, Geothermal Reservoir from Well-Test Analyses Abstract Temperature, pressure, and spinner (TPS) logs have been recorded in several wells from the Dixie Valley Geothermal Reservoir in west central Nevada. A variety of well-test analyses has been performed with these data to quantify the hydrologic properties of this fault-dominated geothermal resource. Four complementary analytical techniques were employed, their individual application depending upon availability and quality of data and validity of scientific assumptions. In some instances, redundancy in

120

Modeling-Computer Simulations At Dixie Valley Geothermal Field Area  

Open Energy Info (EERE)

Dixie Valley Geothermal Field Area Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Modeling-Computer Simulations Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Using a simple one-dimensional steady-state fluid flow model, the helium content and isotopic composition imply vertical fluid flow rates from the mantle of _7 mm/yr. This is a strict lower limit to the fluid flow rate: the one-dimensional model does not consider diffusive re-distribution of helium or mixing with water containing only a crustal helium component and

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Aeromagnetic Survey At Dixie Valley Geothermal Field Area (Blackwell, Et  

Open Energy Info (EERE)

Dixie Valley Geothermal Field Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2003) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Aeromagnetic Survey Activity Date Usefulness useful DOE-funding Unknown Notes The high resolution aeromagnetic technique was very successful along the east side of the valley, but less along the geothermally important west side. Detailed correlation will be investigated when the high resolution data are available. The magnetic results will also vary from area to area depending on the local rock types more than in the other techniques. Nonetheless important information on the style of the faulting is contained in the data. References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of

122

Geothermal energy in California: Status report  

DOE Green Energy (OSTI)

The potential for electric energy from geothermal resources in California is currently estimated to be equivalent to the output from 14 to 21 large (1000 MW) central station power plants. In addition, since over 30 California cities are located near potential geothermal resources, the non-electric applications of geothermal heat (industrial, agriculture, space heating, etc.) could be enormous. Therefore, the full-scale utilization of geothermal resources would have a major impact upon the energy picture of the state. This report presents a summary of the existing status of geothermal energy development in the state of California as of the early part of 1976. The report provides data on the extent of the resource base of the state and the present outlook for its utilization. It identifies the existing local, state, and federal laws, rules and regulations governing geothermal energy development and the responsibilities of each of the regulatory agencies involved. It also presents the differences in the development requirements among several counties and between California and its neighboring states. Finally, it describes on-going and planned activities in resource assessment and exploration, utilization, and research and development. Separate abstracts are prepared for ERDA Energy Research Abstracts (ERA) for Sections II--VI and the three Appendixes.

Citron, O.; Davis, C.; Fredrickson, C.; Granit, R.; Kerrisk, D.; Leibowitz, L.; Schulkin, B.; Wornack, J.

1976-06-30T23:59:59.000Z

123

Geothermal Resource Analysis and Structure of Basin and Range Systems, Especially Dixie Valley Geothermal Field, Nevada  

DOE Green Energy (OSTI)

Publish new thermal and drill data from the Dizie Valley Geothermal Field that affect evaluation of Basin and Range Geothermal Resources in a very major and positive way. Completed new geophysical surveys of Dizie Valley including gravity and aeromagnetics and integrated the geophysical, seismic, geological and drilling data at Dizie Valley into local and regional geologic models. Developed natural state mass and energy transport fluid flow models of generic Basin and Range systems based on Dizie Valley data that help to understand the nature of large scale constraints on the location and characteristics of the geothermal systems. Documented a relation between natural heat loss for geothermal and electrical power production potential and determined heat flow for 27 different geothermal systems. Prepared data set for generation of a new geothermal map of North American including industry data totaling over 25,000 points in the US alone.

David Blackwell; Kenneth Wisian; Maria Richards; Mark Leidig; Richard Smith; Jason McKenna

2003-08-14T23:59:59.000Z

124

Possible Magmatic Input to the Dixie Valley Geothermal Field, and  

Open Energy Info (EERE)

Possible Magmatic Input to the Dixie Valley Geothermal Field, and Possible Magmatic Input to the Dixie Valley Geothermal Field, and Implications for District-Scale Resource Exploration, Inferred from Magnetotelluric (MT) Resistivity Surveying Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Possible Magmatic Input to the Dixie Valley Geothermal Field, and Implications for District-Scale Resource Exploration, Inferred from Magnetotelluric (MT) Resistivity Surveying Abstract Magnetotelluric (MT) profiling in northwestern Nevadais used to test hypotheses on the main sources of heat andhydrothermal fluid for the Dixie Valley-Central NevadaSeismic Belt area. The transect reveals families of resistivitystructures commonly dominated by steeply-dipping features,some of which may be of key geothermal significance. Mostnotably, 2-D inversion

125

Langel Valley Space Heating Low Temperature Geothermal Facility | Open  

Open Energy Info (EERE)

Langel Valley Space Heating Low Temperature Geothermal Facility Langel Valley Space Heating Low Temperature Geothermal Facility Jump to: navigation, search Name Langel Valley Space Heating Low Temperature Geothermal Facility Facility Langel Valley Sector Geothermal energy Type Space Heating Location Bonanza, Oregon Coordinates 42.1987607°, -121.4061076° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

126

Hydrologic Properties of the Dixie Valley, Nevada, Geothermal...  

Open Energy Info (EERE)

Hydrologic Properties of the Dixie Valley, Nevada, Geothermal Reservoir from Well-Test Analyses Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper:...

127

Data Acquisition-Manipulation At Imperial Valley Geothermal Area (1982) |  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Data Acquisition-Manipulation At Imperial Valley Geothermal Area (1982) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Data Acquisition-Manipulation At Imperial Valley Geothermal Area (1982) Exploration Activity Details Location Imperial Valley Geothermal Area Exploration Technique Data Acquisition-Manipulation Activity Date 1982 Usefulness useful DOE-funding Unknown Exploration Basis Develop parameters to identify geothermal region Notes Statistical methods are outlined to separate spatially, temporally, and magnitude-dependent portions of both the random and non-random components

128

Summary Of Recent Research In Long Valley Caldera, California | Open Energy  

Open Energy Info (EERE)

Summary Of Recent Research In Long Valley Caldera, California Summary Of Recent Research In Long Valley Caldera, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Summary Of Recent Research In Long Valley Caldera, California Details Activities (1) Areas (1) Regions (0) Abstract: Since 1978, volcanic unrest in the form of earthquakes and ground deformation has persisted in the Long Valley caldera and adjacent parts of the Sierra Nevada. The papers in this special volume focus on periods of accelerated seismicity and deformation in 1980, 1983, 1989-1990, and 1997-1998 to delineate relations between geologic, tectonic, and hydrologic processes. The results distinguish between earthquake sequences that result from relaxation of existing stress accumulation through brittle failure and

129

Railroad Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Power Plants (0) Projects (0) Activities (1) NEPA(0) Geothermal Area Profile Location Nevada Exploration Region Northern Basin and Range Geothermal Region GEA Development Phase...

130

Inversion of synthetic aperture radar interferograms for sources of production-related subsidence at the Dixie Valley geothermal field  

E-Print Network (OSTI)

site and the Okuaizu geothermal field, Japan", Geothermics,at the Cerro Prieto geothermal field, Baja California,and seismicity in the Coso geothermal area, Inyo County,

Foxall, B.; Vasco, D.W.

2008-01-01T23:59:59.000Z

131

Subsidence and uplift at Heber Geothermal field, California  

SciTech Connect

Heber Geothermal field is in the Imperial Valley near the City of Heber, California, about 3 1/2 miles north of the Mexican border. The field is at the southern end of a network of irrigated agricultural fields extending across the valley floor. The Heber geothermal system is circular, producing water of moderate temperature (360{degrees}F) and low-salinity (13,000-14,000 ppm TDS). In cross section, the geothermal system resembles a lopsided mushroom. The system has three major permeability units: capping clays form 500 to 1800 feet; a high-matrix-permeability, deltaic-sandstone outflow reservoir from 1,800 to 5,500 feet; and feeder faults and fractures in indurated sediments below 5,500 feet. The deltaic sandstones were deposited by the ancestral Colorado River. As both power plants continue operating in Heber field, the need persists to monitor subsidence and uplift. The field`s subsidence bowl is not expected to expand significantly, but some small changes are expected due to pressure changes caused by production for the SIGC binary power plant. The three SIGC injection wells, located between the production areas for the two power plants, will be managed for adequate reservoir pressure support.

Boardman, T.S.

1996-01-01T23:59:59.000Z

132

Exploration for Geothermal Resources in Dixie Valley, Nevada- Case History  

Open Energy Info (EERE)

in Dixie Valley, Nevada- Case History in Dixie Valley, Nevada- Case History Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Exploration for Geothermal Resources in Dixie Valley, Nevada- Case History Abstract After several years of reconnaissance geology in Nevada, an exploration program to evaluate the geothermal resource potential of Dixie Valley was begun in 1974. Between 1974 and 1978 Sunoco Energy Development Co. conducted two heat-flow drilling programs, a resistivity survey, a seismic emission study, a ground noise survey, two magnetotelluric surveys, a hydrology study, and a surface geology survey. The synthesis of the data resulting from these projects into the regional geologic framework led to the acquisition of geothermal resource leases from fee property owners,

133

Compound and Elemental Analysis At Dixie Valley Geothermal Field...  

Open Energy Info (EERE)

geothermal fields of southern California; and 7) the Dieng field in Central Java, Indonesia. We have analyzed the samples from all fields for REE except the last two. Our...

134

Crustal Structure and tectonics of the Imperial Valley Region California |  

Open Energy Info (EERE)

Crustal Structure and tectonics of the Imperial Valley Region California Crustal Structure and tectonics of the Imperial Valley Region California Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Crustal Structure and tectonics of the Imperial Valley Region California Abstract N/A Authors Gary S. Fruis and William M. Kohler Published Journal U. S. GEOLOGICAL SURVEY, 1984 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Crustal Structure and tectonics of the Imperial Valley Region California Citation Gary S. Fruis,William M. Kohler. 1984. Crustal Structure and tectonics of the Imperial Valley Region California. U. S. GEOLOGICAL SURVEY. N/A(N/A):285-297. Retrieved from "http://en.openei.org/w/index.php?title=Crustal_Structure_and_tectonics_of_the_Imperial_Valley_Region_California&oldid=682730"

135

Correlation of wireline log characteristics with hydrothermal alteration and other reservoir properties of the Salton Sea and Westmorland geothermal fields, Imperial Valley, California, USA  

Science Conference Proceedings (OSTI)

A detailed study of wireline logs from 11 wells in the Salton Sea and Westmorland geothermal systems was undertaken in order to determine the effects of hydrothermal alteration on the response of electrical and gamma-gamma density well logs. For the Salton Sea geothermal field, definite correspondence between log responses and hydrothermal mineralogy is evident, which in turn is related to the physical properties of the rocks. Three hydrothermal and one unaltered zone can be identified from log data on shales. These are: (1) the unaltered montmorillonite zone (290/sup 0/ to 300/sup 0/C). The characteristic responses on well logs by which these zones are identified result primarily from changes in clay mineralogy of the shales and increases in density with progressive hydrothermal metamorphism. In the Westmorland geothermal field, differentiating mineral zones from log responses was only partially successful. However, analyses of both well log and petrologic data for wells Landers 1 and Kalin Farms 1 suggest that the former is heating up and the latter is cooling.

Muramoto, F.S.; Elders, W.A.

1984-05-01T23:59:59.000Z

136

Correlation of wireline log characteristics with hydrothermal alteration and other reservoir properties of the Salton Sea and Westmorland geothermal fields, Imperial Valley, California, USA  

DOE Green Energy (OSTI)

A detailed study of wireline logs from 11 wells in the Salton Sea and Westmorland geothermal systems was undertaken in order to determine the effects of hydrothermal alteration on the response of electrical and gamma-gamma density well logs. For the Salton Sea geothermal field, definite correspondence between log responses and hydrothermal mineralogy is evident, which in turn is related to the physical properties of the rocks. Three hydrothermal and one unaltered zone can be identified from log data on shales. These are: (1) the unaltered montmorillonite zone (<100/sup 0/ to 190/sup 0/C); (2) the illite zone (100/sup 0/ to 190/sup 0/C to 230/sup 0/ to 250/sup 0/C); (3) the chlorite zone (230/sup 0/ to 250/sup 0/C to 290/sup 0/ to 300/sup 0/C); and (4) the feldspar zone (>290/sup 0/ to 300/sup 0/C). The characteristic responses on well logs by which these zones are identified result primarily from changes in clay mineralogy of the shales and increases in density with progressive hydrothermal metamorphism. In the Westmorland geothermal field, differentiating mineral zones from log responses was only partially successful. However, analyses of both well log and petrologic data for wells Landers 1 and Kalin Farms 1 suggest that the former is heating up and the latter is cooling.

Muramoto, F.S.; Elders, W.A.

1984-05-01T23:59:59.000Z

137

Aeromagnetic Survey At Dixie Valley Geothermal Field Area (Blackwell, Et  

Open Energy Info (EERE)

Aeromagnetic Survey At Dixie Valley Geothermal Field Aeromagnetic Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2009) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Aeromagnetic Survey Activity Date Usefulness useful DOE-funding Unknown Notes In 2002 a high-resolution aeromagnetic survey was conducted over a 940 km2 area extending from Dixie Meadows northeastward to the Sou Hills, and from the eastern front of the Stillwater Range to the western edge of the Clan Alpine Range (Grauch, 2002). The resulting aeromagnetic map is described and discussed by Smith et al. (2002). Many of the shallow faults revealed by the aeromagnetic data (Figure 3) coincide with faults mapped based on surface expression on aerial photographs (Smith et al., 2001). However, in

138

Hyder Valley Aquaculture Low Temperature Geothermal Facility | Open Energy  

Open Energy Info (EERE)

Aquaculture Low Temperature Geothermal Facility Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name Hyder Valley Aquaculture Low Temperature Geothermal Facility Facility Hyder Valley Sector Geothermal energy Type Aquaculture Location Gila Bend, Arizona Coordinates 32.9478236°, -112.7168305° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

139

Geothermal chemistry/exploration investigations at Dixie Valley, Nevada  

DOE Green Energy (OSTI)

Dixie Valley geothermal field has continuously produced electric power since 1988. At the request of Oxbow Geothermal Corp. and the US Department of Energy, the authors have organized an inter-agency team of investigators to examine several topics of concern regarding management and behavior of the resource. These topics include scaling of the injection system, recharge of the reservoir, geochemical monitoring of the reservoir, and development of increased fumarolic activity north of the power plant.

Goff, F.; Bergfeld, D.; Counce, D. [Los Alamos National Lab., NM (United States); Janik, C.J. [Geological Survey (United States); Bruton, C.J.; Nimz, G. [Lawrence Livermore National Lab., CA (United States)

1998-12-01T23:59:59.000Z

140

Buffalo Valley Hot Springs Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Buffalo Valley Hot Springs Geothermal Area Buffalo Valley Hot Springs Geothermal Area (Redirected from Buffalo Valley Hot Springs Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Buffalo Valley Hot Springs Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (1) 9 Exploration Activities (6) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.368333,"lon":-117.325,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Long Valley Caldera Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Long Valley Caldera Geothermal Area Long Valley Caldera Geothermal Area (Redirected from Long Valley Caldera Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Long Valley Caldera Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Heat Source 8 Geofluid Geochemistry 9 NEPA-Related Analyses (3) 10 Exploration Activities (50) 11 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.778261,"lon":-119.4179324,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

142

Inversion of synthetic aperture radar interferograms for sources of production-related subsidence at the Dixie Valley geothermal field  

E-Print Network (OSTI)

of a tracer test at Dixie Valley, Nevada, Proc. 22 ndand footwall faulting at Dixie Valley, Nevada, Geothermalthe shallow thermal regime at Dixie Valley geothermal field,

Foxall, B.; Vasco, D.W.

2008-01-01T23:59:59.000Z

143

Seismic response to fluid injection and production in two Salton Trough geothermal fields, southern California  

E-Print Network (OSTI)

of the Salton Sea Geothermal Field, California.Journal of Volcanology and Geothermal Research, 12: 221-258patterns in hydrocarbon and geothermal reservoirs: Six case

Lajoie, Lia Joyce

2012-01-01T23:59:59.000Z

144

The Impact of Injection on Seismicity at The Geyses, California Geothermal Field  

E-Print Network (OSTI)

The Geysers, California, geothermal area, U.S. Geol. Surv.seismicity at The Geysers geothermal reservoir, Californiaseismic image of a geothermal reservoir: The Geysers,

Majer, Ernest L.; Peterson, John E.

2008-01-01T23:59:59.000Z

145

Structural interpretation of Coso Geothermal field, Inyo County, California  

Open Energy Info (EERE)

Coso Geothermal field, Inyo County, California Coso Geothermal field, Inyo County, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Structural interpretation of Coso Geothermal field, Inyo County, California Details Activities (2) Areas (1) Regions (0) Abstract: The Coso Geothermal field, located east of the Sierra Nevada at the northern edge of the high Mojave Desert in southern California, is an excellent example of a structurally controlled geothermal resource. The geothermal system appears to be associated with at least one dominant north-south-trending feature which extends several miles through the east-central portion of the Coso volcanic field. Wells drilled along this feature have encountered production from distinct fractures in crystalline basement rocks. The identified producing fractures occur in zones which

146

Field Mapping At Dixie Valley Geothermal Field Area (Wesnousky, Et Al.,  

Open Energy Info (EERE)

2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At Dixie Valley Geothermal Field Area (Wesnousky, Et Al., 2003) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Field Mapping Activity Date Usefulness not indicated DOE-funding Unknown References Steven Wesnousky, S. John Caskey, John W. Bell (2003) Recency Of Faulting And Neotechtonic Framework In The Dixie Valley Geothermal Field And Other Geothermal Fields Of The Basin And Range Retrieved from "http://en.openei.org/w/index.php?title=Field_Mapping_At_Dixie_Valley_Geothermal_Field_Area_(Wesnousky,_Et_Al.,_2003)&oldid=510736" Categories: Exploration Activities DOE Funded Activities What links here

147

Integrated High Resolution Microearthquake Analysis and Monitoring for Optimizing Steam Production at The Geysers Geothermal Field, California  

E-Print Network (OSTI)

and after SEGEP injection. Geothermal Resources Council,tectonics at the Geysers Geothermal Area, California, J.seismicity in The Geysers Geothermal Area, California, J.

Majer, Ernest; Peterson, John; Stark, Mitch; Smith, Bill; Rutqvist, Jonny; Kennedy, Mack

2004-01-01T23:59:59.000Z

148

Geothermal hydrology of Warner Valley, Oregon: a reconnaissance study  

DOE Green Energy (OSTI)

Warner Valley and its southern extension, Coleman Valley, are two of several high-desert valleys in the Basin and Range province of south-central Oregon that contain thermal waters. At least 20 thermal springs, defined as having temperatures of 20/sup 0/C or more, issue from Tertiary basaltic flows and tuffs in and near the valleys. Many shallow wells also produce thermal waters. The highest measured temperature is 127/sup 0/C, reported from a well known as Crump geyser, at a depth of 200 meters. The hottest spring, located near Crump geyser, has a surface temperature of 78/sup 0/C. The occurrence of these thermal waters is closely related to faults and fault intersections in the graben and horst structure of the valleys. Chemical analyses show that the thermal waters are of two types: sodium chloride and sodium bicarbonate waters. Chemical indicators show that the geothermal system is a hot-water rather than a vapor-dominated system. Conductive heat flow in areas of the valley unaffected by hydrothermal convection is probably about 75 milliwatts per square meter. The normal thermal gradient in valley-fill dpeosits in these areas may be about 40/sup 0/C per kilometer. Geothermometers and mixing models indicate that temperatures of equilibration are at least 170/sup 0/C for the thermal components of the hotter waters. The size and location of geothermal reservoirs are unknown.

Sammel, E.A.; Craig, R.W.

1981-01-01T23:59:59.000Z

149

A model for the shallow thermal regime at Dixie Valley geothermal field |  

Open Energy Info (EERE)

A model for the shallow thermal regime at Dixie Valley geothermal field A model for the shallow thermal regime at Dixie Valley geothermal field Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: A model for the shallow thermal regime at Dixie Valley geothermal field Authors R. G. Allis, Stuart D. Johnson, Gregory D. Nash and Dick Benoit Published Journal TRANSACTIONS-GEOTHERMAL RESOURCES COUNCIL, 1999 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for A model for the shallow thermal regime at Dixie Valley geothermal field Citation R. G. Allis,Stuart D. Johnson,Gregory D. Nash,Dick Benoit. 1999. A model for the shallow thermal regime at Dixie Valley geothermal field. TRANSACTIONS-GEOTHERMAL RESOURCES COUNCIL. 23:493-498. Retrieved from "http://en.openei.org/w/index.php?title=A_model_for_the_shallow_thermal_regime_at_Dixie_Valley_geothermal_field&oldid=682587"

150

Smith Creek Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Smith Creek Valley Geothermal Area Smith Creek Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Smith Creek Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (0) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":39.3128,"lon":-117.5493,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

151

Buffalo Valley Hot Springs Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Buffalo Valley Hot Springs Geothermal Area Buffalo Valley Hot Springs Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Buffalo Valley Hot Springs Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (1) 9 Exploration Activities (6) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.368333,"lon":-117.325,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

152

Fish Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Fish Lake Valley Geothermal Area Fish Lake Valley Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Fish Lake Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (22) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.86,"lon":-118.05,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

153

Long Valley Caldera Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Long Valley Caldera Geothermal Area Long Valley Caldera Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Long Valley Caldera Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Heat Source 8 Geofluid Geochemistry 9 NEPA-Related Analyses (3) 10 Exploration Activities (50) 11 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.778261,"lon":-119.4179324,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

154

West Valley Reservoir Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Valley Reservoir Geothermal Area Valley Reservoir Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: West Valley Reservoir Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (0) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.19166667,"lon":-120.385,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

155

Indian Valley Hot Springs Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Valley Hot Springs Geothermal Area Valley Hot Springs Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Indian Valley Hot Springs Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (1) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.14139,"lon":-120.93389,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

156

Market Analysis of Geothermal Energy for California and Hawaii  

SciTech Connect

This is one of the earlier market analyses for geothermal electric power and direct heat. The market for geothermal power was found to be large enough to absorb anticipated developments in California. For direct use, geothermal resources and urban markets in CA and HI are not well collocated.

1978-10-01T23:59:59.000Z

157

Attenuation and source properties at the Coso Geothermal Area, California |  

Open Energy Info (EERE)

source properties at the Coso Geothermal Area, California source properties at the Coso Geothermal Area, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Attenuation and source properties at the Coso Geothermal Area, California Details Activities (1) Areas (1) Regions (0) Abstract: We use a multiple-empirical Green's function method to determine source properties of small (M -0.4 to 1.3) earthquakes and P- and S-wave attenuation at the Coso Geothermal Field, California. Source properties of a previously identified set of clustered events from the Coso geothermal region are first analyzed using an empirical Green's function (EGF) method. Stress-drop values of at least 0.5-1 MPa are inferred for all of the events; in many cases, the corner frequency is outside the usable bandwidth, and the stress drop can only be constrained as being higher than

158

Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy & Van  

Open Energy Info (EERE)

Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy & Van Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Isotopic Analysis- Fluid Activity Date Usefulness useful DOE-funding Unknown Notes Fluids from springs, fumaroles, and wells throughout Dixie Valley, NV were analyzed for noble gas abundances and isotopic compositions. The helium isotopic compositions of fluids produced from the Dixie Valley geothermal field range from 0.70 to 0.76 Ra, are among the highest values in the valley, and indicate that _7.5% of the total helium is derived from the

159

Fish Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Fish Lake Valley Geothermal Area (Redirected from Fish Lake Valley Area) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Fish Lake Valley Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (22) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.86,"lon":-118.05,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

160

Analysis of cause and mechanism for injection-induced seismicity at the Geysers Geothermal Field, California  

E-Print Network (OSTI)

rock from the Geysers Geothermal Field, California. Int. J.strain at The Geysers geothermal field. Ph.D. dissertation,Subsidence at The Geysers geothermal field, N. California

Rutqvist, Jonny; Oldenburg, Curtis

2007-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Cooperative geochemical investigation of geothermal resources in the Imperial Valley and Yuma areas. Final report  

DOE Green Energy (OSTI)

Preliminary studies indicate that the Imperial Valley has a large geothermal potential. In order to delineate additional geothermal systems a chemical and isotopic investigation of samples from water wells, springs, and geothermal wells in the Imperial Valley and Yuma areas was conducted. Na, K, and Ca concentrations of nearly 200 well water, spring water, hot spring, and geothermal fluid samples from the Imperial Valley area were measured by atomic absorption spectrophotometry. Fournier and Truesdell's function was determined for each water sample. Suspected geothermal areas are identified. Hydrogen and oxygen isotope abundances were determined in order to determine and to identify the source of the water in the Mesa geothermal system. (JGB)

Coplen, T.B.

1973-10-01T23:59:59.000Z

162

Geochemistry Of The Lake City Geothermal System, California, Usa | Open  

Open Energy Info (EERE)

Geochemistry Of The Lake City Geothermal System, California, Usa Geochemistry Of The Lake City Geothermal System, California, Usa Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Geochemistry Of The Lake City Geothermal System, California, Usa Details Activities (2) Areas (1) Regions (0) Abstract: Lake City hot springs and geothermal wells chemically fall into a narrow compositional group. This indicates that, with the exception of a few hot springs, mixing with shallow cold ground waters does not have a significant influence on the chemistry of the hot springs. Narrow ranges in plots of F, B and Li versus Cl, and _D to _18O values indicate minimal mixing. Because of this, the compositions of the natural hot spring waters are fairly representative of the parent geothermal water. The average

163

Attenuation structure of Coso geothermal area, California, from wave pulse  

Open Energy Info (EERE)

structure of Coso geothermal area, California, from wave pulse structure of Coso geothermal area, California, from wave pulse widths Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Attenuation structure of Coso geothermal area, California, from wave pulse widths Details Activities (1) Areas (1) Regions (0) Abstract: Pulse width data are used to invert for attenuation structure in the Coso geothermal area, California. The dataset consists of pulse width measurements of 838 microseismic events recorded on a seismic array of 16 downhole stations between August 1993 and March 1994. The quality factor Q correlates well with surface geology and surface heat flow observations. A broad region of low Q (≈ 30 to 37) is located at 0.5 to 1.2 km in depth below Devil's Kitchen, Nicol Prospects, and Coso Hot Springs. A vertical,

164

Poisson's ratio and porosity at Coso geothermal area, California | Open  

Open Energy Info (EERE)

Poisson's ratio and porosity at Coso geothermal area, California Poisson's ratio and porosity at Coso geothermal area, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Poisson's ratio and porosity at Coso geothermal area, California Details Activities (1) Areas (1) Regions (0) Abstract: High-resolution, three-dimensional, compressional and shear wave velocity models, derived from microearthquake traveltimes, are used to map the distribution of Poisson's ratio and porosity at Coso Geothermal Area, Inyo County, California. Spatial resolution of the three-dimensional Poisson's ratio and porosity distributions is estimated to be 0.5 km horizontally and 0.8 km vertically. Model uncertainties, + or -1% in the interior and + or -2.3% around the edge of the model, are estimated by a jackknife method. We use perturbations of r = V p /V s ratio and Psi = V p

165

Heat flow studies, Coso Geothermal Area, China Lake, California. Technical  

Open Energy Info (EERE)

studies, Coso Geothermal Area, China Lake, California. Technical studies, Coso Geothermal Area, China Lake, California. Technical report Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Heat flow studies, Coso Geothermal Area, China Lake, California. Technical report Details Activities (1) Areas (1) Regions (0) Abstract: Heat flow studies in the Coso Geothermal Area were conducted at China Lake, California. Temperature measurements were completed in nine of the heat flow boreholes. Temperatures were measured at five meter intervals from the ground surface to the deepest five meter interval. Subsequently, temperatures were remeasured two or three times in each borehole in order to demonstrate that equilibrium thermal conditions existed. The maximum difference in temperature, at any of the five meter intervals, was 0.03 deg

166

Hydrometeor Evolution in Rainbands over the California Valley  

Science Conference Proceedings (OSTI)

Hydrometeor distributions were measured in two rainbands that passed over the California Valley. The ground radar was used to vector the University of Wyoming's instrumented King Air aircraft to the top of the rainband at which time an onboard ...

Glenn L. Gordon; John D. Martwitz

1986-06-01T23:59:59.000Z

167

Dixie Valley - Geothermal Development in the Basin and Range | Open Energy  

Open Energy Info (EERE)

- Geothermal Development in the Basin and Range - Geothermal Development in the Basin and Range Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Dixie Valley - Geothermal Development in the Basin and Range Published Publisher Not Provided, Date Not Provided DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Dixie Valley - Geothermal Development in the Basin and Range Citation Dixie Valley - Geothermal Development in the Basin and Range [Internet]. [updated 2013/01/01;cited 2013/01/01]. Available from: http://www.geothermex.com/projects-dixie-valley.php Retrieved from "http://en.openei.org/w/index.php?title=Dixie_Valley_-_Geothermal_Development_in_the_Basin_and_Range&oldid=682561" Categories: References Geothermal References Uncited

168

Climatology of air quality of Long Valley Geothermal Resource Area  

DOE Green Energy (OSTI)

The Long Valley Known Geothermal Resource Area is one of the more promising regions for development of a large-scale geothermal energy center. This report discusses the climatology and air quality of the area. Details are given on the temperatures, temperature inversions, and winds. Estimates are presented for the present air quality and future air quality during and following development of the resource area. Also discussed are project impact from added pollutants, noise, and precipitation augmentation. The major deleterious effects from development of the Long Valley Geothermal Resource Area appear to be due to increased dust loading during and following construction, and noise from production testing and potential well blowouts. Increased pollution from release of hydrogen sulfide and other pollutants associated with hot water geothermal wells seems to present no problems with regard to surrounding vegetation, potential contamination of Lake Crowley, and odor problems in nearby communities. Precipitation augmentation will probably increase the water level of Lake Crowley, at the expense of possible additional fogging and icing of nearby highways.

Peterson, K.R.; Palmer, T.Y.

1977-06-01T23:59:59.000Z

169

Surprise Valley Hot Springs Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

form form View source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit with form History Facebook icon Twitter icon » Surprise Valley Hot Springs Geothermal Area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermal Resource Area: Surprise Valley Hot Springs Geothermal Area Contents 1 Area Overview 2 History and Infrastructure 3 Regulatory and Environmental Issues 4 Exploration History 5 Well Field Description 6 Geology of the Area 7 Geofluid Geochemistry 8 NEPA-Related Analyses (0) 9 Exploration Activities (0) 10 References Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"TERRAIN","zoom":6,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"500px","height":"300px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.53333,"lon":-120.07667,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

170

Funnel Clouds in the San Joaquin Valley, California  

Science Conference Proceedings (OSTI)

The authors observed a relatively rare funnel cloud in the northern San Joaquin Valley, California on 21 March 1987. The pattern which occurred in California on that day was similar to that observed with other recent severe weather events in the ...

John P. Monteverdi; Scott A. Braun; Thomas C. Trimble

1988-03-01T23:59:59.000Z

171

Active Faulting in the Coso Geothermal Field, Eastern California | Open  

Open Energy Info (EERE)

Faulting in the Coso Geothermal Field, Eastern California Faulting in the Coso Geothermal Field, Eastern California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: Active Faulting in the Coso Geothermal Field, Eastern California Details Activities (1) Areas (1) Regions (0) Abstract: New mapping documents a series of late Quaternary NNE-striking normal faults in the central Coso Range that dip northwest, toward and into the main production area of the Coso geothermal field. The faults exhibit geomorphic features characteristic of Holocene activity, and locally are associated with fumaroles and hydothermal alteration. The active faults sole into or terminate against the brittle-ductile transition zone (BDT) at a depth of about 4 to 5 km. The BDT is arched upward over a volume of crust

172

Solar Goes Big: Launching the California Valley Solar Ranch | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Goes Big: Launching the California Valley Solar Ranch Goes Big: Launching the California Valley Solar Ranch Solar Goes Big: Launching the California Valley Solar Ranch October 31, 2013 - 4:14pm Addthis The California Valley Solar Ranch produces clean, renewable electricity at the scale of traditional power plants. | Photo courtesy of SunPower. The California Valley Solar Ranch produces clean, renewable electricity at the scale of traditional power plants. | Photo courtesy of SunPower. Aerial shot of the California Valley Solar Ranch in San Luis Obispo County, California. | Photo courtesy of SunPower. Aerial shot of the California Valley Solar Ranch in San Luis Obispo County, California. | Photo courtesy of SunPower. According to NRG Energy, the California Solar Valley Ranch project has created thousands of jobs and put an estimated $315 million into the local economy. | Photo courtesy of SunPower.

173

Geothermal Exploration in Eastern California Using Aster Thermal Infrared  

Open Energy Info (EERE)

in Eastern California Using Aster Thermal Infrared in Eastern California Using Aster Thermal Infrared Data Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Geothermal Exploration in Eastern California Using Aster Thermal Infrared Data Abstract Remote sensing is a cost-effective tool that can be used to cover large areas for the purpose of geothermal exploration. A particular application is the use of satellite thermal infrared (TIR) imagery from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument aboard an orbiting satellite. It can be used to search remotely for elevated surface temperatures, which may be associated with geothermal resources. The study region is in the central part of eastern California, with emphasis on the Coso geothermal field. Nighttime scenes are most

174

Geothermal Exploration in Eastern California Using Aster Thermal...  

Open Energy Info (EERE)

Geothermal Exploration in Eastern California Using Aster Thermal Infrared Data Abstract Remote sensing is a cost-effective tool that can be used to cover large areas for the...

175

EA-1893: Canby Cascaded Geothermal Development System, Canby, California |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

93: Canby Cascaded Geothermal Development System, Canby, 93: Canby Cascaded Geothermal Development System, Canby, California EA-1893: Canby Cascaded Geothermal Development System, Canby, California Summary This EA will evaluate the environmental impacts of a proposal by Modoc Contracting Company to use DOE grant funds to fulfill its plan to expand its reliance on geothermal resources by producing more hot water and using it to produce power as well as thermal energy. The goal of the project is to complete a cascaded geothermal system that generates green power for the local community, provides thermal energy to support greenhouse and aquaculture operation, provide sustainable thermal energy for residential units, and eliminate the existing geothermal discharge to a local river. NOTE: NOTE: This EA has been cancelled.

176

Program planner's guide to geothermal development in California  

DOE Green Energy (OSTI)

The resource base, status of geothermal development activities, and the state's energy flow are summarized. The present and projected geothermal share of the energy market is discussed. The public and private sector initiatives supporting geothermal development in California are described. These include legislation to provide economic incentives, streamline regulation, and provide planning assistance to local communities. Private sector investment, research, and development activities are also described. The appendices provide a ready reference of financial incentives. (MHR)

Yen, W.W.S.; Chambers, D.M.; Elliott, J.F.; Whittier, J.P.; Schnoor, J.J.; Blachman, S.

1980-09-30T23:59:59.000Z

177

Ground Gravity Survey At Dixie Valley Geothermal Field Area (Blackwell, Et  

Open Energy Info (EERE)

Dixie Valley Geothermal Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2003) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Ground Gravity Survey Activity Date Usefulness useful DOE-funding Unknown Notes The gravity data are not as site specific as the seismic, but put the major parts of the structure in their proper location and places vital constraints on the possible interpretations of the seismic data. References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of Basin And Range Systems, Especially Dixie Valley Geothermal Field, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Ground_Gravity_Survey_At_Dixie_Valley_Geothermal_Field_Area_(Blackwell,_Et_Al.,_2003)&oldid=388459

178

Potential air quality impact of geothermal power production in the Imperial Valley  

DOE Green Energy (OSTI)

A regional assessment of the potential impact on air quality of developing the Imperial Valley's geothermal resources for power production is presented. A network of six stations was installed to characterize the air quality and atmospheric transport properties of the valley before development. These measured the ambient air concentrations of H/sub 2/S, SO/sub 2/, O/sub 3/, NO, NO/sub x/, CO/sub 2/, Hg, Rn, and particulates. Wind velocity and the directional variability of the winds were also measured to determine atmospheric stability. The geothermal fluids were analyzed chemically to estimate potential emission rates of H/sub 2/S, NH/sub 3/, CO/sub 2/, CH/sub 4/, Hg, and Rn from future power plants. Using these data and advanced air quality modeling led to the prediction of the potential valley-wide impact of a 3000 MW development scenario. The impact analysis reveals that H/sub 2/S is the principal gaseous pollutant of concern due to its noxious odor and the potential release rate. The ambient H/sub 2/S concentrations that would result from generating 3000 MW without emission controls exceed the California air quality standard (30 ppb) at least 1% of the time for an area in the northern part of the valley that is roughly 1500 km/sup 2/ in size. This compares with current ambient air concentrations that exceed the standard much less than 0.1% of the time. The population center most impacted is Calipatria, where the standard could be exceeded almost 10% of the time. In addition, the odor of H/sub 2/S will be noticeable at least 1% of the time for most of the valley if the 3000 MW are placed on-line without abatement systems.

Gudiksen, P.H.; Ermak, D.L.; Lamson, K.C.; Axelrod, M.C.; Nyholm, R.A.

1979-10-01T23:59:59.000Z

179

California Desert Fish Farm Aquaculture Low Temperature Geothermal Facility  

Open Energy Info (EERE)

Fish Farm Aquaculture Low Temperature Geothermal Facility Fish Farm Aquaculture Low Temperature Geothermal Facility Jump to: navigation, search Name California Desert Fish Farm Aquaculture Low Temperature Geothermal Facility Facility California Desert Fish Farm Sector Geothermal energy Type Aquaculture Location Niland, California Coordinates 33.2400366°, -115.5188756° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

180

California Hot Springs Pool & Spa Low Temperature Geothermal Facility |  

Open Energy Info (EERE)

Hot Springs Pool & Spa Low Temperature Geothermal Facility Hot Springs Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name California Hot Springs Pool & Spa Low Temperature Geothermal Facility Facility California Hot Springs Sector Geothermal energy Type Pool and Spa Location Bakersfield, California Coordinates 35.3732921°, -119.0187125° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Electromagnetic soundings for geothermal resources in Dixie Valley, Nevada  

DOE Green Energy (OSTI)

An electromagnetic (EM) sounding survey was performed over a region encompassing the Dixie Valley geothermal field to map the subsurface resistivity in the geothermal field and the surrounding area. The EM survey, consisting of 19 frequency-domain depth soundings made with the LBL EM-60 system, was undertaken to explore a narrow region adjacent to the Stillwater Range to a depth of 2 to 3 km. Lithologic and well log resistivity information from well 66-21 show that for EM interpretation the section can be reduced to a three-layer model consisting of moderately resistive alluvial sediments, low resistivity lacustrine sediments, and high resistivity Tertiary volcanics and older rocks. This three layer model was used as a starting point in interpreting EM sounding data. Variations in resistivity and thickness provided structural information and clues to the accumulation of geothermal fluids. The interpreted soundings reveal a 1 to 1.5-km-deep low-resistivity zone spatially associated with the geothermal field. The shallow depth suggests that the zone detected is either fluid leakage or hydrothermal alteration, rather than high-temperature reservoir fluids. The position of the low-resistivity zone also conforms to changes in depth to the high resistivity basal layer, suggesting that faulting is a control on the location of productive intervals. 10 refs., 7 figs.

Wilt, M.J.; Goldstein, N.E.

1985-03-01T23:59:59.000Z

182

Geothermal assessment of a portion of the Escalante Valley, Utah  

DOE Green Energy (OSTI)

In February 1981, the Utah geological and Mineral Survey (UGMS) contracted with the Department of Energy (DOE) to evaluate the geothermal potential of an area proposed for a possible Missile Experimental (MX) operations base in the Escalante Valley region of Utah. Exploration techniques employed included a temperature survey, chemical analysis of springs and wells, and temperature-depth measurements in holes of opportunity. The highest water temperatures recorded in the area, with the exceptions of a 60/sup 0/C (140/sup 0/F) geothermal exploration hole and Thermo Hot Springs (42 to 78/sup 0/C or 108 to 172/sup 0/F), were 27 and 28/sup 0/C (81 and 82/sup 0/F) at two wells located northwest of Zane, Utah.

Klauk, R.H.; Gourley, C.

1983-12-01T23:59:59.000Z

183

Exploration ofr geothermal resources in Dixie Valley, Nevada  

Science Conference Proceedings (OSTI)

A case history of SUNEDCO's exploratory efforts, which ultimately led to the drilling and discovery of the Dixie Valley goethermal field, is presented. The geochemistry from three active lot springs in the area: Dixie Hot Springs, South Hot Springs, and Hyder Hot Springs, was examined. Two heat flow drilling programs were conducted at Dixie Hot Springs consisting of 45 temperature gradient holes ranging in depth from 30 to 1500 ft. From this program a heat-flow anomaly was mapped extending along the Stillwater Range front in which temperature gradients are greater than 100/sup 0/c/Km. in 1978, the number 1 SW Lamb well was drilled on a 152 acre farmout from Chevron. The well was completed as a geothermal producer in a zone of fractured volcanic rocks. Since then, five additional geothermal producing wells were completed within the anomalous area. (MJF)

Parchman, W.L.; Knox, J.W.

1981-06-01T23:59:59.000Z

184

A Four-Dimensional Viscoelastic Deformation Model For Long Valley...  

Open Energy Info (EERE)

Four-Dimensional Viscoelastic Deformation Model For Long Valley Caldera, California, Between 1995 And 2000 Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal...

185

Electromagnetic soundings over a geothermal reservoir in Dixie Valley, Nevada  

DOE Green Energy (OSTI)

An electromagnetic (EM) sounding survey was performed over a region encompassing the Dixie Valley geothermal field with the purpose of mapping the subsurface resistivity in the geothermal field and its surroundings. The EM survey consisted of 19 frequency-domain depth soundings made with the EM-60 system using three separate horizontal-loop transmitters, and was designed to explore a narrow region adjacent to the Stillwater Range to a depth of 2 to 3 k. Most sounding curves could be fitted to three-layer resistivity models. The surface layer is moderately conductive (10 to 15 ohm-m), has a maximum thickness of 500 m, and consists mainly of alluvial fan and lake sediments. More conductive zones are associated with hydrothermally altered rocks; a resistivity high may be associated with siliceous hot spring deposits. The conductive second layer (2 to 5 ohm-m) varies in thickness from 400 to 800 m and thickens toward the center of the valley. This layer probably consists of lacustrine sediments saturated with saline waters. Local resistivity lows observed in the second layer may be related to elevated subsurface temperatures. This layer may act as a cap rock for the geothermal system. Resistivities of the third layer are high (50 to 100 ohm-m) except in a narrow 5-km band paralleling the range front. This low-resistivity zone, within volcanic rocks, correlates well in depth and location with reported zones of geothermal fluid production. It also seems to correlate with the western margin of a concealed graben structure previously inferred from other geophysical data.

Wilt, M.J.; Goldstein, N.E.

1983-04-01T23:59:59.000Z

186

City of Moreno Valley,, California (Utility Company) | Open Energy  

Open Energy Info (EERE)

Moreno Valley,, California (Utility Company) Moreno Valley,, California (Utility Company) Jump to: navigation, search Name Moreno Valley, City of Place California Utility Id 55787 Utility Location Yes Ownership M NERC Location WECC NERC WECC Yes ISO CA Yes Activity Buying Transmission Yes Activity Distribution Yes Activity Bundled Services Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png General Service Polyphase Residential General Service Polyphase Public Purpose Program Residential General Service Single Phase Commercial General Service Single Phase Public Purpose Program Residential Large General Service Polyphase(Facilities-related demand) Industrial

187

Exploration and Development of Geothermal Power in California | Open Energy  

Open Energy Info (EERE)

Exploration and Development of Geothermal Power in California Exploration and Development of Geothermal Power in California Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Exploration and Development of Geothermal Power in California Abstract From 1955 to 1962, approximately 40 wells were drilled in 15 California thermal areas for the purpose of exploring and developing natural steam to utilize for electric power generation. Twenty-four of the wells were drilled in the three areas which at present seem to have the greatest potential for the production of natural steam: The Geysers, Sonoma County; Casa Diablo, Mono County; and the Salton Sea area, Imperial County.Since June 1960, steam from The Geysers thermal area, produced at a rate of approximately 250,000 Ib/hr, has been utilized to operate a 12,500 kw

188

Isotopic Analysis At Dixie Valley Geothermal Field Area (Kennedy & Van  

Open Energy Info (EERE)

Dixie Valley Geothermal Field Area (Kennedy & Van Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Isotopic Analysis- Fluid Activity Date Usefulness useful DOE-funding Unknown Notes Dixie Valley study suggests that helium isotopes may provide a new tool for mapping zones of deep permeability and therefore the potential for high fluid temperatures. The permeable zones are identified by local enrichments in 3He relative to a regional helium isotope trend. More work needs to be done, but it appears that helium isotopes may provide the best and perhaps

189

Minutes of the Geothermal Resources Board meeting, Santa Rosa, California, August 9, 1974  

DOE Green Energy (OSTI)

Discussion summaries are included for the following agenda items: update on State of California geothermal programs, county geothermal regulatory programs, and environmental and institutional problems in The Geysers Geothermal Area. (MHR)

Not Available

1974-01-01T23:59:59.000Z

190

Engineering and economic feasibility of utilizing geothermal heat from the Heber reservoir for industrial processing purposes at Valley Nitrogen Producers Inc. , El Centro agricultural chemical plant. Final report  

DOE Green Energy (OSTI)

The engineering and economic feasibility of utilizing geothermal heat from the Heber KGRA for industrial processing purposes at the Valley Nitrogen Producers, Inc. El Centro, California agricultural chemical plant was investigated. The analysis proceeds through the preliminary economics to determine the restraints imposed by geothermal modification size on internal rates of return, and through the energy utilization evaluation to determine the best method for substituting geothermal energy for existing fossil fuel energy. Finally, several geothermal utilization schemes were analyzed for detailed cost-benefit evaluation. An economically viable plan for implementing geothermal energy in the VNP Plant was identified and the final conclusions and recommendations were made based on these detailed cost-benefit analyses. Costs associated with geothermal energy production and implementation were formulated utilizing a modified Battelle Pacific Northwest Laboratories' ''GEOCOST'' program.

Sherwood, P.B.; Newman, K.L.

1977-09-01T23:59:59.000Z

191

Geothermal Resources Of California Sedimentary Basins | Open...  

Open Energy Info (EERE)

Buildings Clean Energy Economy Coordinated Low Emissions Assistance Network Geothermal Incentives and Policies International Clean Energy Analysis Low Emission Development...

192

Drilling and operating geothermal wells in California  

SciTech Connect

The following procedural points for geothermal well drilling and operation are presented: geothermal operators, definitions, geothermal unit, agent, notice of intention, fees, report on proposed operations, bonds, well name and number, well and property sale on transfer, well records, and other agencies. (MHR)

1979-01-01T23:59:59.000Z

193

Potential growth of electric power production from Imperial Valley geothermal resources  

DOE Green Energy (OSTI)

The growth of geothermal electric power operations in Imperial Valley, California is projected over the next 40 years. With commercial power forecast to become available in the 1980's, the scenario considers three subsequent growth rates: 40, 100, and 250 MW per year. These growth rates, along with estimates of the total resource size, result in a maximum level of electric power production ranging from 1000 to 8000 MW to be attained in the 2010 to 2020 time period. Power plant siting constraints are developed and used to make siting patterns for the 400- through 8000-MW level of power production. Two geothermal technologies are included in the scenario: flashed steam systems that produce cooling water from the geothermal steam condensate and emit noncondensable gases to the atmosphere; and high pressure, confined flow systems that inject the geoghermal fluid back into the ground. An analysis of the scenario is made with regard to well drilling and power plant construction rates, land use, cooling water requirements, and hydrogen sulfide emissions.

Ermak, D.L.

1977-09-30T23:59:59.000Z

194

Microseisms in geothermal exploration: studies in Grass Valley, Nevada  

DOE Green Energy (OSTI)

Frequency-wavenumber (f-k) spectra of seismic noise in the bands 1 less than or equal to f less than or equal to 10 Hz in frequency and parallel bar k parallel bar less than or equal to 35.7 cycles/km in wavenumber, measured at several places in Grass Valley, Nevada, exhibit numerous features which can be correlated with variations in surface geology and sources associated with hot spring activity. Exploration techniques for geothermal reservoirs, based upon the spatial distribution of the amplitude and frequency characteristics of short-period seismic noise, are applied and evaluated in a field program at a potential geothermal area in Grass Valley, Nevada. A detailed investigation of the spatial and temporal characteristics of the noise field was made to guide subsequent data acquisition and processing. Contour maps of normalized noise-level derived from carefully sampled data are dominated by the hot spring noise source and the generally high noise levels outlining the regions of thick alluvium. Major faults are evident when they produce a shallow lateral contrast in rock properties. Conventional seismic noise mapping techniques cannot differentiate noise anomalies due to buried seismic sources from those due to shallow geological effects. The noise radiating from a deep reservoir ought to be evident as body waves of high phase velocity with time-invariant source azimuth. A small two-dimensional array was placed at 16 locations in the region to map propagation parameters. The f-k spectra reveal local shallow sources, but no evidence for a significant body wave component in the noise field was found. With proper data sampling, array processing provides a powerful method for mapping the horizontal component of the vector phase velocity of the noise field. In Grass Valley, and probably in most areas, the 2 to 10 Hz microseismic field is predominantly fundamental mode Rayleigh waves controlled by the very shallow structure.

Liaw, A.L.C.

1977-11-01T23:59:59.000Z

195

Integrated dense array and transect MT surveying at dixie valley geothermal  

Open Energy Info (EERE)

dense array and transect MT surveying at dixie valley geothermal dense array and transect MT surveying at dixie valley geothermal area, Nevada- structural controls, hydrothermal alteration and deep fluid sources Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Integrated dense array and transect MT surveying at dixie valley geothermal area, Nevada- structural controls, hydrothermal alteration and deep fluid sources Authors Philip E. Wannamaker, William M. Doerner and Derrick P. Hasterok Conference proceedings, 32th workshop on geothermal reservoir Engineering, Stanford University; Stanford University; 2007 Published Publisher Not Provided, 2007 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Integrated dense array and transect MT surveying at dixie valley geothermal area, Nevada- structural controls, hydrothermal

196

Population analysis relative to geothermal energy development, Imperial County, California  

DOE Green Energy (OSTI)

The historical and current population characteristics of Imperial County, California, are examined. These include vital rates, urbanization, town sizes, labor force composition, income, utility usage, and ethnic composition. Inferences are drawn on some of the important social and economic processes. Multivariate statistical analysis is used to study present relationships between variables. Population projections for the County were performed under historical, standard, and geothermal projection assumptions. The transferability of methods and results to other geothermal regions anticipating energy development is shown. (MHR)

Pick, J.B.; Jung, T.H.; Butler, E.

1977-01-01T23:59:59.000Z

197

Water Sampling At Dixie Valley Geothermal Field Area (Kennedy & Van Soest,  

Open Energy Info (EERE)

Van Soest, Van Soest, 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Dixie Valley Geothermal Field Area (Kennedy & Van Soest, 2006) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Water Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Fluids from springs, fumaroles, and wells throughout Dixie Valley, NV were analyzed for noble gas abundances and isotopic compositions. The helium isotopic compositions of fluids produced from the Dixie Valley geothermal field range from 0.70 to 0.76 Ra, are among the highest values in the valley, and indicate that _7.5% of the total helium is derived from the mantle. A lack of recent volcanics or other potential sources requires flow

198

Geothermal Energy Market in Southern California Past, Present and Future  

SciTech Connect

I'm pleased to be here as your keynote speaker from the utility industry. Today is fitting to discuss the role of an alternative/renewable energy resource such as geothermal. Three years ago today, the Exxon Valdez oil tanker spilled 11 million gallons of oil into Prince William Sound, Alaska. This ecological catastrophe was another of those periodic jolts that underscores the importance of lessening our nation's dependence on oil and increasing the use of cost-effective, environmentally benign alternative/renewable energy sources. Alternative/renewables have come a long way since the first oil crisis in 1973. Today, they provide 9 percent of electric power used in the United States. That's nearly double the figure of just two years ago. And since 1985, one-third of a new capacity has come from geothermal, solar, wind and biomass facilities. Nevertheless, geothermal supplies only about three-tenths of a percent of the country's electric power, or roughly 2,800 megawatts (MW). And most of that is in California. In fact, geothermal is California's second-largest source of renewable energy, supplying more than 5 percent of the power generated in the state. Today, I'd like to discuss the outlook for the geothermal industry, framing it within Southern California Edison's experience with geothermal and other alternative/renewable energy sources.

Budhraja, Vikram S.

1992-03-24T23:59:59.000Z

199

Geothermal Energy Market in Southern California Past, Present and Future  

DOE Green Energy (OSTI)

I'm pleased to be here as your keynote speaker from the utility industry. Today is fitting to discuss the role of an alternative/renewable energy resource such as geothermal. Three years ago today, the Exxon Valdez oil tanker spilled 11 million gallons of oil into Prince William Sound, Alaska. This ecological catastrophe was another of those periodic jolts that underscores the importance of lessening our nation's dependence on oil and increasing the use of cost-effective, environmentally benign alternative/renewable energy sources. Alternative/renewables have come a long way since the first oil crisis in 1973. Today, they provide 9 percent of electric power used in the United States. That's nearly double the figure of just two years ago. And since 1985, one-third of a new capacity has come from geothermal, solar, wind and biomass facilities. Nevertheless, geothermal supplies only about three-tenths of a percent of the country's electric power, or roughly 2,800 megawatts (MW). And most of that is in California. In fact, geothermal is California's second-largest source of renewable energy, supplying more than 5 percent of the power generated in the state. Today, I'd like to discuss the outlook for the geothermal industry, framing it within Southern California Edison's experience with geothermal and other alternative/renewable energy sources.

Budhraja, Vikram S.

1992-03-24T23:59:59.000Z

200

Evaluation of the Geothermal Public Power Utility Workshops in California  

DOE Green Energy (OSTI)

The federal government devotes significant resources to educating consumers and businesses about geothermal energy. Yet little evidence exists for defining the kinds of information needed by the various audiences with specialized needs. This paper presents the results of an evaluation of the Geothermal Municipal Utility Workshops that presented information on geothermal energy to utility resource planners at customer-owned utilities in California. The workshops were sponsored by the Western Area Power Administration and the U.S. Department of Energy's GeoPowering the West Program and were intended to qualitatively assess the information needs of municipal utilities relative to geothermal energy and get feedback for future workshops. The utility workshop participants found the geothermal workshops to be useful and effective for their purposes. An important insight from the workshops is that utilities need considerable lead-time to plan a geothermal project. They need to know whether it is better to own a project or to purchase geothermal electricity from another nonutility owner. California customer-owned utilities say they do not need to generate more electricity to meet demand, but they do need to provide more electricity from renewable resources to meet the requirements of the state's Renewable Portfolio Standard.

Farhar, B. C.

2004-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Regional Systems Development for Geothermal Energy Resources Pacific Region (California and Hawaii). Task 3: water resources evaluation. Topical report  

DOE Green Energy (OSTI)

The fundamental objective of the water resources analysis was to assess the availability of surface and ground water for potential use as power plant make-up water in the major geothermal areas of California. The analysis was concentrated on identifying the major sources of surface and ground water, potential limitations on the usage of this water, and the resulting constraints on potentially developable electrical power in each geothermal resource area. Analyses were completed for 11 major geothermal areas in California: four in the Imperial Valley, Coso, Mono-Long Valley, Geysers-Calistoga, Surprise Valley, Glass Mountain, Wendel Amedee, and Lassen. One area in Hawaii, the Puna district, was also included in the analysis. The water requirements for representative types of energy conversion processes were developed using a case study approach. Cooling water requirements for each type of energy conversion process were estimated based upon a specific existing or proposed type of geothermal power plant. The make-up water requirements for each type of conversion process at each resource location were then estimated as a basis for analyzing any constraints on the megawatts which potentially could be developed.

Sakaguchi, J.L.

1979-03-19T23:59:59.000Z

202

Environmental assessmental, geothermal energy, Heber geothermal binary-cycle demonstration project: Imperial County, California  

DOE Green Energy (OSTI)

The proposed design, construction, and operation of a commercial-scale (45 MWe net) binary-cycle geothermal demonstration power plant are described using the liquid-dominated geothermal resource at Heber, Imperial County, California. The following are included in the environmental assessment: a description of the affected environment, potential environmental consequences of the proposed action, mitigation measures and monitoring plans, possible future developmental activities at the Heber anomaly, and regulations and permit requirements. (MHR)

Not Available

1980-10-01T23:59:59.000Z

203

Field Mapping At Dixie Valley Geothermal Field Area (Smith, Et Al., 2001) |  

Open Energy Info (EERE)

Et Al., 2001) Et Al., 2001) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At Dixie Valley Geothermal Field Area (Smith, Et Al., 2001) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Field Mapping Activity Date Usefulness not indicated DOE-funding Unknown References Richard P. Smith, Kenneth W. Wisianz, David D. BlackweIl (2001) Geologic And Geophysical Evidence For Intra-Basin And Footwall Faulting At Dixie Valley, Nevada Retrieved from "http://en.openei.org/w/index.php?title=Field_Mapping_At_Dixie_Valley_Geothermal_Field_Area_(Smith,_Et_Al.,_2001)&oldid=510735" Category: Exploration Activities What links here Related changes Special pages Printable version Permanent link

204

California Department of Conservation, Division of Oil, Gas, and Geothermal  

Open Energy Info (EERE)

Department of Conservation, Division of Oil, Gas, and Geothermal Department of Conservation, Division of Oil, Gas, and Geothermal Resources Jump to: navigation, search Name California Department of Conservation, Division of Oil, Gas, and Geothermal Resources Place Sacramento, California Coordinates 38.5815719°, -121.4943996° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.5815719,"lon":-121.4943996,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

205

California Division of Oil, Gas, and Geothermal Resources | Open Energy  

Open Energy Info (EERE)

Geothermal Resources Geothermal Resources Jump to: navigation, search State California Name California Division of Oil, Gas, and Geothermal Resources (CDOGGR) Address 801 K Street, MS 20-20 City, State Sacramento, CA Zip 95814-3530 Website http://www.consrv.ca.gov/dog/O Coordinates 38.580104°, -121.496008° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.580104,"lon":-121.496008,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

206

California low-temperature geothermal resources update: 1993  

DOE Green Energy (OSTI)

The US Department of Energy -- Geothermal Division (DOE/GD) recently sponsored the Low-Temperature Geothermal Resources and Technology Transfer Program to bring the inventory of the nation`s low- and moderate-temperature geothermal resources up to date and to encourage development of the resources. The Oregon Institute of Technology, Geo-Heat Center (OIT/GHC) and the University of Utah Research Institute (UURI) established subcontracts and coordinated the project with the state resource teams from the western states that participated in the program. The California Department of Conservation, Division of Mines and Geology (DMG) entered into contract numbered 1092--023(R) with the OIT/GHC to provide the California data for the program. This report is submitted in fulfillment of that contract.

Youngs, L.G.

1994-12-31T23:59:59.000Z

207

Geothermal Literature Review At Fish Lake Valley Area (Deymonaz, Et Al.,  

Open Energy Info (EERE)

Deymonaz, Et Al., Deymonaz, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermal Literature Review At Fish Lake Valley Area (Deymonaz, Et Al., 2008) Exploration Activity Details Location Fish Lake Valley Area Exploration Technique Geothermal Literature Review Activity Date Usefulness not indicated DOE-funding Unknown Notes (1) Assembly and review of relevant published and proprietary literature and previous geothermal investigations in the region; References John Deymonaz, Jeffrey G. Hulen, Gregory D. Nash, Alex Schriener (2008) Esmeralda Energy Company Final Scientific Technical Report, January 2008, Emigrant Slimhole Drilling Project, Doe Gred Iii (De-Fc36-04Go14339) Retrieved from "http://en.openei.org/w/index.php?title=Geothermal_Literature_Review_At_Fish_Lake_Valley_Area_(Deymonaz,_Et_Al.,_2008)&oldid=510804"

208

Direct-Current Resistivity At Dixie Valley Geothermal Field Area (Laney,  

Open Energy Info (EERE)

2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current Resistivity At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Direct-Current Resistivity Survey Activity Date Usefulness useful DOE-funding Unknown Notes Structural Controls, Alteration, Permeability and Thermal Regime of Dixie Valley from New-Generation Mt/Galvanic Array Profiling, Phillip Wannamaker. A new-generation MT/DC array resistivity measurement system was applied at the Dixie Valley thermal area. Basic goals of the survey are 1), resolve a fundamental structural ambiguity at the Dixie Valley thermal area (single rangefront fault versus shallower, stepped pediment; 2), delineate fault

209

Geothermal energy: opportunities for California commerce. Phase I report  

DOE Green Energy (OSTI)

California's geographic and end-use markets which could directly use low and moderate temperature geothermal resources are ranked and described, as well as those which have the highest potential for near-term commercial development of these resources. Building on previous market surveys, the assessment determined that out of 38 geothermal resource areas with characteristics for direct use development, five areas have no perceived impediments to near-term development: Susanville, Litchfield, Ontario Hot Springs, Lake Elsinore, and the Salton Sea Geothermal Field. Twenty-nine applications were compared with previously selected criteria to determine their near-term potential for direct use of geothermal fluids. Seven categories were found to have the least impediments to development; agriculture and district heating applications are considered the highest. Ten-year projections were conducted for fossil fuel displacement from the higher rated applications. It is concluded that greenhouses have the greatest displacement of 18 x 10/sup 6/ therms per year.

Not Available

1982-01-01T23:59:59.000Z

210

Squaw Valley, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Valley, California: Energy Resources Valley, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 36.7402261°, -119.246785° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.7402261,"lon":-119.246785,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

211

Portola Valley, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Portola Valley, California: Energy Resources Portola Valley, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 37.3841066°, -122.2352443° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.3841066,"lon":-122.2352443,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

212

Squirrel Mountain Valley, California: Energy Resources | Open Energy  

Open Energy Info (EERE)

Squirrel Mountain Valley, California: Energy Resources Squirrel Mountain Valley, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 35.6232866°, -118.4098058° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.6232866,"lon":-118.4098058,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

213

Apple Valley, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Apple Valley, California: Energy Resources Apple Valley, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 34.5008311°, -117.1858759° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.5008311,"lon":-117.1858759,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

214

Imperial Valley, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Name Imperial Valley, California Name Imperial Valley, California Equivalent URI DBpedia GeoNames ID 5359098 Coordinates 32.73755°, -114.9633° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.73755,"lon":-114.9633,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

215

West Puente Valley, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Valley, California: Energy Resources Valley, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 34.0516768°, -117.968398° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.0516768,"lon":-117.968398,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

216

Feasibility study report for the Imperial Valley Ethanol Refinery: a 14. 9-million-gallon-per-year ethanol synfuel refinery utilizing geothermal energy  

DOE Green Energy (OSTI)

The construction and operation of a 14,980,000 gallon per year fuel ethanol from grain refinery in the Imperial Valley of California is proposed. The Imperial Valley Ethanol Refinery (refinery) will use hot geothermal fluid from geothermal resources at the East Mesa area as the source of process energy. In order to evaluate the economic viability of the proposed Project, exhaustive engineering, cost analysis, and financial studies have been undertaken. This report presents the results of feasibility studies undertaken in geothermal resource, engineering, marketing financing, management, environment, and permits and approvals. The conclusion of these studies is that the Project is economically viable. US Alcohol Fuels is proceeding with its plans to construct and operate the Refinery.

Not Available

1981-03-01T23:59:59.000Z

217

Interpretation of shallow crustal structure of the Imperial Valley, California, from seismic reflection profiles  

DOE Green Energy (OSTI)

Eight seismic reflection profiles (285 km total length) from the Imperial Valley, California, were provided to CALCRUST for reprocessing and interpretation. Two profiles were located along the western margin of the valley, five profiles were situated along the eastern margin and one traversed the deepest portion of the basin. These data reveal that the central basin contains a wedge of highly faulted sediments that thins to the east. Most of the faulting is strike-slip but there is evidence for block rotations on the scale of 5 to 10 kilometers within the Brawley Seismic Zone. These lines provide insight into the nature of the east and west edges of the Imperial Valley. The basement at the northwestern margin of the valley, to the north of the Superstition Hills, has been normal-faulted and blocks of basement material have ''calved'' into the trough. A blanket of sediments has been deposited on this margin. To the south of the Superstition Hills and Superstition Mountain, the top of the basement is a detachment surface that dips gently into the basin. This margin is also covered by a thick sequence sediments. The basement of the eastern margin consists of metamorphic rocks of the upper plate of the Chocolate Mountain Thrust system underlain by the Orocopia Schist. These rocks dip to the southeast and extend westward to the Sand Hills Fault but do not appear to cross it. Thus, the Sand Hills Fault is interpreted to be the southern extension of the San Andreas Fault. North of the Sand Hills Fault the East Highline Canal seismicity lineament is associated with a strike-slip fault and is probably linked to the Sand Hills Fault. Six geothermal areas crossed by these lines, in agreement with previous studies of geothermal reservoirs, are associated with ''faded'' zones, Bouguer gravity and heat flow maxima, and with higher seismic velocities than surrounding terranes.

Severson, L.K.

1987-05-01T23:59:59.000Z

218

Geothermal resources and conflicting concerns in the Alvord Valley, Oregon: an update  

DOE Green Energy (OSTI)

The geothermal resource potential of the Alvord Valley is among the highest in Oregon. However, environmental concerns, litigation, and administrative requirements have delayed exploration for and development of this resource. Present estimates indicate that deep exploratory drilling may not take place on Federal lands in the Alvord Valley until 1982.

Wassinger, C.E.; Koza, D.M.

1980-01-01T23:59:59.000Z

219

Direct-Current Resistivity Survey At Dixie Valley Geothermal Field Area  

Open Energy Info (EERE)

Direct-Current Resistivity Survey At Dixie Valley Direct-Current Resistivity Survey At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Direct-Current Resistivity Survey Activity Date Usefulness useful DOE-funding Unknown Notes Structural Controls, Alteration, Permeability and Thermal Regime of Dixie Valley from New-Generation Mt/Galvanic Array Profiling, Phillip Wannamaker. A new-generation MT/DC array resistivity measurement system was applied at the Dixie Valley thermal area. Basic goals of the survey are 1), resolve a fundamental structural ambiguity at the Dixie Valley thermal area (single rangefront fault versus shallower, stepped pediment; 2), delineate fault zones which have experienced fluid flux as indicated by low resistivity;

220

Diurnal Evolution of Three-Dimensional Wind and Temperature Structure in California's Central Valley  

Science Conference Proceedings (OSTI)

The diurnal evolution of the three-dimensional summer-season mean wind and temperature structure in California's Sacramento and San Joaquin Valleys (collectively called the Central Valley) is investigated using data from 22 radar wind profiler/...

Shiyuan Zhong; C. David Whiteman; Xindi Bian

2004-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

A Supercell Thunderstorm with Hook Echo in the San Joaquin Valley, California  

Science Conference Proceedings (OSTI)

This study documents a damaging supercell thunderstorm that occurred in California's San Joaquin Valley on 5 March 1994. The storm formed in a cold sector environment similar to that documented for several other recent Sacramento Valley severe ...

John P. Monteverdi; Steve Johnson

1996-06-01T23:59:59.000Z

222

Susanville Geothermal Investigations, California, Supplemental Technical Data  

DOE Green Energy (OSTI)

The city of Susanville, in response to an unemployment rate exceeding 20 percent and other related community needs, has embarked on a comprehensive effort in community and economic development. To improve the local job market, an effort is underway to enhance the competitive position of the local commerce and industry. This effort is directed at the development of local geothermal resources in the form of an energy utility system to furnish low-cost energy to its job-intensive industry. The Susanville Geothermal Energy Project (SGEP) encompasses the research and development for the energy system. A team composed of key citizens, elected officials, city management, and industry has developed the project since late 1973. The Energy Research and Development Administration (ERDA) has contracted for a research program to define the economics of a community building an economic base through the utilization of geothermal energy. The ERDA effort will define the economic model, specific energy systems, and a program plan for the development of a demonstration geothermal utility system. An essential part of this effort will be the development of the institutional tools (policy, planning, organizational, financing, legal and environmental) as required for a community to implement such a development and utilization of its natural resources.

none

1976-06-01T23:59:59.000Z

223

InSAR At Dixie Valley Geothermal Field Area (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

Laney, 2005) Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: InSAR At Dixie Valley Geothermal Field Area (Laney, 2005) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique InSAR Activity Date Usefulness useful DOE-funding Unknown Notes Localized Strain as a Discriminator of Hidden Geothermal Systems, Vasco and Foxall, 2005. Recent work has focused on (1) collaborating with Alessandro Ferretti to use Permanent Scatterer (PS) InSAR data to infer strain at depth, (2) working with Lane Johnson to develop a dynamic faulting model, and (3) acquiring InSAR data for the region surrounding the Dixie Valley fault zone in collaboration with Dr. William Foxall of LLNL. The InSAR data have been processed and an initial interpretation of the results is

224

Public opinion concerning geothermal development in Lake County, California  

DOE Green Energy (OSTI)

A random sample of 2500 of the registered voters of Lake County, California, were polled about their opinions regarding the prospect of the development of geothermal energy in Lake County. The results of a secondary analysis of their responses are presented. The main conclusions are: (1) A large majority of the respondents are in favor of geothermal development provided that it is suitably regulated to minimize negative environmental impacts. (2) The main determinants of the respondents' approval or disapproval of geothermal development are their expectations concerning the environmental impacts of geothermal development and the economic benefits of development for the county. Essentially all respondents who do not perceive negative environmental impacts support development, and the expectation of increased job opportunities and/or tax revenues is a nearly absolute prerequisite for support of development. (auth) (3) Pro- and anti-geothermal bias have strong effects upon the formation of opinions about leasing and the perception of environmental impacts. (4) Purely demographic characteristics of the respondents, such as employment status and years of residence in the county, have only limited effects upon their attitudes toward geothermal development except in the southern portion of the county, where longer term residents and those who live in the county for reasons of employment are more in favor of development.

Vollintine, L.; Weres, O.

1976-03-01T23:59:59.000Z

225

Thermodynamic calculations of calcium carbonate scaling in geothermal wells, Dixie Valley geothermal field, U. S. A  

Science Conference Proceedings (OSTI)

Wells in the Dixie Valley geothermal field of central Nevada intercept a fracture-dominated hydrothermal system at depths of 2.5 to 3 km. The reservoir water is a dilute sodium-bicarbonate-chloride type of solution thought to be in equilibrium with quartz, calcite, chlorite, and albite. Fluid sampling and chemical analysis of production during an early flow test gave remarkably low calcium concentrations. Thermodynamic calculations of mineral stability in the presence of the reservoir water indicate that five times the amount of calcium measured in fluid reaching the surface is actually in solution in the reservoir fluid. Approximately 80 percent of the calcium is lost as calcium carbonate scale on the well casing before the fluid reaches the surface. The results of thermodynamic calculations compare well with the scale-volume measurements of Benoit.

Reed, M.J. (Geothermal Technology Div., U.S. Dept. of Energy, Washington, DC (US))

1989-01-01T23:59:59.000Z

226

Geology, hydrothermal petrology, stable isotope geochemistry, and fluid inclusion geothermometry of LASL geothermal test well C/T-1 (Mesa 31-1), East Mesa, Imperial Valley, California, USA  

DOE Green Energy (OSTI)

Borehole Mesa 31-1 (LASL C/T-1) is an 1899-m (6231-ft) deep well located in the northwestern part of the East Mesa Geothermal Field. Mesa 31-1 is the first Calibration/Test Well (C/T-1) in the Los Alamos Scientific Laboratory (LASL), Geothermal Log Interpretation Program. The purpose of this study is to provide a compilation of drillhole data, drill cuttings, well lithology, and formation petrology that will serve to support the use of well LASL C/T-1 as a calibration/test well for geothermal logging. In addition, reviews of fluid chemistry, stable isotope studies, isotopic and fluid inclusion geothermometry, and the temperature log data are presented. This study provides the basic data on the geology and hydrothermal alteration of the rocks in LASL C/T-1 as background for the interpretation of wireline logs.

Miller, K.R.; Elders, W.A.

1980-08-01T23:59:59.000Z

227

FINAL REPORT ENHANCED GEOTHERMAL SYSTEMS TECHNOLOGY PHASE II ANIMAS VALLEY, NEW MEXICO  

Science Conference Proceedings (OSTI)

Final Technical Report covering siting, permitting, and drilling two geothermal temperature gradient holes. This report provides a summary of geotechnical and geophysical data that led to the siting, drilling, and completion of 2 temperature gradient holes in the geothermal anomaly at Lightning Dock Known Geothermal Resource Area in the Animas Valley of New Mexico. Included in this report is a summary of institutional factors and data defining the well drilling process and acquiring drilling permits. Data covering the results of the drilling and temperature logging of these two holes are provided. The two gradient holes were sited on federal geothermal leases owned by Lightning Dock Geothermal, Inc. and both holes were drilled into lakebed sediments some distance from the intense shallow geothermal anomaly located in the eastern half of Section 7, Township 25 South, Range 19 West.

Roy A.Cunniff; Roger L. Bowers

2003-12-29T23:59:59.000Z

228

Valley View Hot Springs Pool & Spa Low Temperature Geothermal Facility |  

Open Energy Info (EERE)

Valley View Hot Springs Pool & Spa Low Temperature Geothermal Facility Valley View Hot Springs Pool & Spa Low Temperature Geothermal Facility Facility Valley View Hot Springs Sector Geothermal energy Type Pool and Spa Location Villa Grove, Colorado Coordinates 38.248999°, -105.948608° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

229

Ground Gravity Survey At Dixie Valley Geothermal Field Area (Blackwell, Et  

Open Energy Info (EERE)

Blackwell, Et Blackwell, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Ground Gravity Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al., 2009) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Ground Gravity Survey Activity Date Usefulness useful DOE-funding Unknown Notes "The gravity data are described by (Blackwell et al., 1999; 2002). On a basin-wide scale the gravity low in Dixie Valley is strongly asymmetrical from east to west. The west side is relatively well-defined by rapid horizontal changes in the gravity anomaly value, whereas along the east side horizontal changes are more subdued and often consist of several steps. The horizontal gradient of the gravity field has proved most useful

230

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 ASSESSMENT OF LOW-TEMPERATURE GEOTHERMAL Fujimitsu and Sachio Ehara Geothermic Laboratory, Earth Resources Engineering Department, Kyushu University

Stanford University

231

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University AND PDM SYSTEMS IMPROVE DRILLING PERFORMANCE IN A CALIFORNIA GEOTHERMAL WELL Dennis Lovett, Terra system allows data transmission without a continuous fluid column. Operating the Coso geothermal field

Stanford University

232

EA-1697: San Joaquin Valley Right-of-Way Project, California | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

97: San Joaquin Valley Right-of-Way Project, California 97: San Joaquin Valley Right-of-Way Project, California EA-1697: San Joaquin Valley Right-of-Way Project, California Summary DOE's Western Area Power Administration is preparing this EA to evaluate the environmental impacts of right-of-way maintenance (including facility inspection and repair, vegetation management, and equipment upgrades for transmission lines and associated rights-or-way, access roads, substations, and a maintenance facility) in the San Joaquin Valley in California. Public Comment Opportunities No public comment opportunities available at this time. Documents Available for Download December 2, 2011 EA-1697: Finding of No Significant Impact Right-of-Way Maintenance in the San Joaquin Valley, California December 2, 2011 EA-1697: Final Environmental Assessment

233

Preliminary investigation of scale formation and fluid chemistry at the Dixie Valley Geothermal Field, Nevada  

DOE Green Energy (OSTI)

The chemistry of geothermal, production, and injection fluids at the Dixie Valley Geothermal Field, Nevada, was characterized to address an ongoing scaling problem and to evaluate the effects of reinjection into the reservoir. Fluids generally followed mixing-dilution trends. Recharge to the Dixie Valley system apparently originates from local sources. The low-pressure brine and injection waters were saturated with respect to amorphous silica, which correlated with the ongoing scaling problem. Local shallow ground water contains about 15% geothermal brine mixed with regional recharge. The elevated Ca, Mg, and HCO{sub 3} content of this water suggests that carbonate precipitation may occur if shallow groundwater is reinjected. Downhole reservoir fluids are close to equilibrium with the latest vein mineral assemblage of wairakite-epidote-quartz-calcite. Reinjection of spent geothermal brine is predicted to affect the region near the wellbore differently than it does the region farther away.

Bruton, C.J.; Counce, D.; Bergfeld, D.; Goff, F.; Johnson, S.D.; Moore, J.N.; Nimz, G.

1997-06-27T23:59:59.000Z

234

Geothermal regimes of the Clearlake region, northern California  

DOE Green Energy (OSTI)

The first commercial production of power from geothermal energy, at The Geysers steamfield in northern California in June 1960, was a triumph for the geothermal exploration industry. Before and since, there has been a search for further sources of commercial geothermal power in The Geysers--Clear Lake geothermal area surrounding The Geysers. As with all exploration programs, these were driven by models. The models in this case were of geothermal regimes, that is, the geometric distribution of temperature and permeability at depth, and estimates of the physical conditions in subsurface fluids. Studies in microseismicity and heat flow, did yield geophysical information relevant to active geothermal systems. Studies in stable-element geochemistry found hiatuses or divides at the Stoney Creek Fault and at the Collayomi Fault. In the region between the two faults, early speculation as to the presence of steamfields was disproved from the geochemical data, and the potential existence of hot-water systems was predicted. Studies in isotope geochemistry found the region was characterized by an isotope mixing trend. The combined geochemical data have negative implications for the existence of extensive hydrothermal systems and imply that fluids of deep origin are confined to small, localized systems adjacent to faults that act as conduits. There are also shallow hot-water aquifers. Outside fault-localized systems and hot-water aquifers, the area is an expanse of impermeable rock. The extraction of energy from the impermeable rock will require the development and application of new methods of reservoir creation and heat extraction such as hot dry rock technology.

Amador, M. [ed.; Burns, K.L.; Potter, R.M.

1998-06-01T23:59:59.000Z

235

Achieving Sustainability inCalifornias CentralValley  

E-Print Network (OSTI)

of agricultural sustainability. Agriculture, Ecosystems &19, 2009. Achieving Sustainability in Californias Centralvariables. Achieving Sustainability in Californias Central

Lubell, Mark; Beheim, Bret; Hillis, Vicken; Handy, Susan L.

2009-01-01T23:59:59.000Z

236

Non-electric utilization of geothermal energy in the San Luis Valley, Colorado. Final report  

DOE Green Energy (OSTI)

Information on the geothermal resources of the San Luis Valley, Colorado, has been gathered and reviewed and a preliminary, quantitative assessment of the magnitude and quality of resources present was carried out. Complete process designs were developed for the processes of producing crystal sugar from beets and for malting barley for use in the brewing industry, in each case adapting the processes to use a 302/sup 0/F geothermal water supply as the main process energy source. A parametric design analysis was performed for a major pipeline to be used to ship geothermal water, and thus deliver its heat, out of the San Luis Valley to three major Colorado cities along the eastern threshold of the Rocky Mountains. Cost estimates for capital equipment and energy utilization are presented. The analyses of the two process applications indicate favorable economics for conversion and operation as geothermally-heated plants. A major geothermal water pipeline for this region is seriously limited on achievement of the economy of scale by the physical absence of significant demand for heat energy. Finally, the development and utilization of Colorado's San Luis Valley geothermal groundwaters hold the potential to contribute to the prudent and beneficial management of that area's natural water resources systems.

Vorum, M.; Coury, G.E.; Goering, S.W.; Fritzler, E.A.

1978-02-01T23:59:59.000Z

237

Geothermal energy: opportunities for California commerce. Phase I report  

DOE Green Energy (OSTI)

The potential geothermal direct-use energy market and its application to projects in California are assessed. Project identification effort is to be focused on those that have the highest probability for near-term successful commercial operations. Near-term herein means 2 to 5 years for project implementation. Phase I has been focused on defining and assessing: (1) the geothermal direct-use resources that are suitable for near-term utilization; and (2) the generic applications (municipal heating districts, horticultural greenhouse firms, laundries, etc.) that are suitable for near-term projects. Five economic development regions in the state, containing recognized geothermal direct-use resources, have been defined. Thirty-eight direct use resources have been evaluated in these regions. After assessment against pre-selected criteria, twenty-seven have been rated with a priority of I, II or III, thereby qualifying them for further marketing effort. The five areas with a priority of I are summarized. These areas have no perceived impediments to near-term development. Twenty-nine generic categories of applications were assessed against previously selected criteria to determine their near term potential for direct use of geothermal fluids. Some twenty industry, commercial and institutional application categories were rated with a priority of I, II or III and warrant further marketing efforts. The seven categories with a priority of I are listed. These categories were found to have the least impediments to near-term application projects.

Longyear, A.B. (ed.)

1981-12-01T23:59:59.000Z

238

California: basic data for thermal springs and wells as recorded in GEOTHERM. Part A  

DOE Green Energy (OSTI)

This GEOTHERM sample file contains 1535 records for California. Three computer-generated indexes give one line summaries of each GEOTHERM record. Each index is sorted by different variables to assist in locating geothermal records describing specific sites. 7 refs. (ACR)

Bliss, J.D.

1983-07-01T23:59:59.000Z

239

Core Hole Drilling And Testing At The Lake City, California Geothermal  

Open Energy Info (EERE)

Hole Drilling And Testing At The Lake City, California Geothermal Hole Drilling And Testing At The Lake City, California Geothermal Field Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Core Hole Drilling And Testing At The Lake City, California Geothermal Field Details Activities (4) Areas (1) Regions (0) Abstract: Unavailable Author(s): Dick Benoit, Joe Moore, Colin Goranson, David Blackwell Published: GRC, 2005 Document Number: Unavailable DOI: Unavailable Core Analysis At Lake City Hot Springs Area (Benoit Et Al., 2005) Core Holes At Lake City Hot Springs Area (Benoit Et Al., 2005) Flow Test At Lake City Hot Springs Area (Benoit Et Al., 2005) Static Temperature Survey At Lake City Hot Springs Area (Benoit Et Al., 2005) Lake City Hot Springs Geothermal Area Retrieved from "http://en.openei.org/w/index.php?title=Core_Hole_Drilling_And_Testing_At_The_Lake_City,_California_Geothermal_Field&oldid=389996

240

Possible Magmatic Input to the Dixie Valley Geothermal Field...  

Open Energy Info (EERE)

Basin. Authors Philip E. Wannamaker, William M. Doerner and Derrick P. Hasterok Published Journal 31st Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford,...

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Reconnaissance geothermal resource assessment of 40 sites in California  

DOE Green Energy (OSTI)

Results are set forth for a continuing reconnaissance-level assessment of promising geothermal sites scattered through California. The studies involve acquisition of new data based upon field observations, compilation of data from published and unpublished sources, and evaluation of the data to identify areas suitable for more intensive area-specific studies. Forty sites were chosen for reporting on the basis of their relative potential for development as a significant resource. The name and location of each site is given, and after a brief synopsis, the geothermal features, chemistry, geology, and history of the site are reported. Three sites are recommended for more detailed study on the basis of potential for use by a large number of consumers, large volume of water, and the likelihood that the resource underlies a large area. (LEW)

Leivas, E.; Martin, R.C.; Higgins, C.T.; Bezore, S.P.

1981-01-01T23:59:59.000Z

242

Patterns of geothermal lease acquisition in the Imperial Valley: 1958--1974  

DOE Green Energy (OSTI)

Patterns for the development of geothermal resources in the Imperial Valley are analyzed, with particular consideration of corporate behavior in geothermal development. Actions of the companies were examined over a period of time to discover patterns of involvement, investment, and likelihood of further development. Discussion is presented under the following section headings: research organization; legal aspects; characteristics of development; location of geothermal leases; analysis of major leaseholders; and findings and conclusions. The addendum is entitled Federal Land Lease Sales: An analysis in terms of Lease Acquisition Patterns. The three appendices are: research methodology; a methodological note on the maps; and exploratory drilling sites. (JGB)

Sullivan, M.; McDougal, S.; Van Huntley, F.

1974-08-01T23:59:59.000Z

243

Geothermal resource assessment of the Animas Valley, Colorado. Resource Series 17  

DOE Green Energy (OSTI)

The Colorado Geological Survey, has been engaged in assessing the nature and extent of Colorado's geothermal resources. The program has included geologic and hydrogeologic reconnaissance, and geophysical and geochemical surveys. In the Animas Valley, in southwestern Colorado, two groups of thermal springs exist: Pinkerton Springs to the north, and Tripp-Trimble-Stratten Springs about 5 miles (8.1 Km) south of Pinkerton. The geothermal resources of the Animas Valley were studied. Due to terrain problems in the narrow valley, a soil mercury survey was conducted only at Tripp-Trimble Stratten, while an electrical D.C. resistivity survey was limited to the vicinity of Pinkerton. Although higher mercury values tended to be near a previously mapped fault, the small extent of the survey ruled out conclusive results. Consistent low resistivity zones interpreted from the geophysical data were mapped as faults near Pinkerton, and compared well with aerial photo work and spring locations. This new information was added to reconnaissance geology and hydrogeology to provide several clues regarding the geothermal potential of the valley. Hydrothermal minerals found in faults in the study area are very similar to ore mined in a very young mountain range, nearby. Groundwater would not need to circulate very deeply along faults to attain the estimated subsurface temperatures present in the valley. The water chemistry of each area is unique. Although previously incompletely manned, faulting in the area is extensive. The geothermal resources in the Animas Valley are fault controlled. Pinkerton and Tripp-Trimble-Stratten are probably not directly connected systems, but may have the same source at distance. Recharge to the geothermal system comes from the needle and La Plata Mountains, and the latter may also be a heat source. Movement of the thermal water is probably primarily horizontal, via the Leadville Limestone aquifer.

McCarthy, K.P.; Zacharakis, T.G.; Ringrose, C.D.

1982-01-01T23:59:59.000Z

244

Geothermal regimes at Clearlake California: A preliminary review  

DOE Green Energy (OSTI)

Three distinct geothermal regimes are inferred in the vicinity of the city of Clearlake, California. The first is a conductive heat flow regime, the second is a fault-controlled hot spring flow of ``magmatic`` fluids, and the third is a resurgent flow of meteoric warm water. The conductive heat flow results in flat, horizontal isotherms. The hot spring generates a localized spike in the isotherms. The advective disturbance carries heat laterally to a fault-line resurgence, lowering the apparent heat flow at the surface.

Burns, K.L.; Potter, R.M.; Zyvoloski, G.

1992-08-01T23:59:59.000Z

245

Geothermal regimes at Clearlake California: A preliminary review  

DOE Green Energy (OSTI)

Three distinct geothermal regimes are inferred in the vicinity of the city of Clearlake, California. The first is a conductive heat flow regime, the second is a fault-controlled hot spring flow of magmatic'' fluids, and the third is a resurgent flow of meteoric warm water. The conductive heat flow results in flat, horizontal isotherms. The hot spring generates a localized spike in the isotherms. The advective disturbance carries heat laterally to a fault-line resurgence, lowering the apparent heat flow at the surface.

Burns, K.L.; Potter, R.M.; Zyvoloski, G.

1992-01-01T23:59:59.000Z

246

The California Energy Commission's geothermal activities  

SciTech Connect

Thank you for the invitation to participate in this distinguished gathering. I would like to briefly relate the interests of the California Energy Commission in geothermal energy. Geothermal energy is a basic component of many of our primary activities, and is expressly cited in our statutory authority, the Warren-Alquist Act (1974). Our mandates affect the geothermal industry both directly and indirectly. The Commission is responsible for 5-, 12-, and 20-year forecasts of California electricity supply and demand. These forecasts are reported in our biennial Electricity Report. These forecasts are used in various official regulatory proceedings. The primary use is in the Commission's power plant siting authority. The forecasts establish the base used to determine the need for new capacity and energy in the current planning period. The forecasts are also used in other Commission activities as well as in proceedings at the Public Utilities Commission. The 1990 Electricity Report represents a dramatic change in the way this agency balances the relative importance of price competition, environmental quality, demand management as a system resource, and the implications of continued reliance on natural gas. Generally, the Commission is grappling with the elusive and complex problems of quantifying the appropriate value to assign to external (i. e., non-market) environmental attributes of competing technologies. While we have not decisively established such values, we do believe that they do exist and that we are moving in the right direction. The adopted policies have positive long term implications for geothermal and the other renewable technologies. The Commission has been in existence since 1975 and during that time has seen the development of geothermal energy in several areas of the state. As a regulatory agency, we have authority over the construction of thermal electric plants over 50 megawatts (MW). To date the Commission has certified the construction of more than 1200 MW in the Geysers. This area is now experiencing a dramatic loss in productivity. The Commission is engaged in a cooperative effort with the parties operating in the Geysers to address the problem of resource productivity. We held a hearing to examine the causes of the decline of the geothermal steam resources and its affect on electric energy supply. An outcome of the hearing was the establishment of a Technical Advisory Committee with the responsibility of providing the Commission projections of capacity and energy under the current rates of steam decline. The Committee was also charged with examining options on efficient resource management, including research and development, testing, and analyses regarding reservoir and power plant operations.

Crowley, Barbara

1991-01-01T23:59:59.000Z

247

Geothermal energy potential in the San Luis Valley, Colorado  

DOE Green Energy (OSTI)

The background of the area itself is investigated considering the geography, population, economy, attitudes of residents, and energy demands of the area. The requirements for geothermal energy development are considered, including socio-economic, institutional, and environmental conditions as well as some technical aspects. The current, proposed, and potential geothermal energy developments are described. The summary, conclusions, and methodology are included. (MHR)

Coe, B.A.

1980-01-01T23:59:59.000Z

248

Geothermal investment and policy analysis with evaluation of California and Utah resource areas  

DOE Green Energy (OSTI)

A geothermal investment decision model was developed which, when coupled to a site-specific stochastic cash flow model, estimates the conditional probability of a positive decision to invest in the development of geothermal resource areas. The geothermal cash flow model, the investment decision model and their applications for assessing the likely development potential of nine geothermal resource areas in California and Utah are described. The sensitivity of this investment behavior to several policy incentives is also analyzed and discussed.

Cassel, T.A.V.; Edelstein, R.H.; Blair, P.D.; Amundsen, C.B.

1979-10-01T23:59:59.000Z

249

Survey of California Geopressured-Geothermal Potential  

SciTech Connect

Geopressured reservoirs contain three types of energy: thermal, hydraulic, and methane gas. The thermal energy generally is a function of depth of burial. It can be converted to electricity using the binary or flash power plant cycle, the flash technology being commercial only if the fluid temperature exceeds about 340 F. The hydraulic energy can be converted to electrical power using a hydraulic turbine. The dissolved gas can be separated and either used to produce electricity using a gas turbine or sold commercially. These reservoirs occur in many states in the USA, including California. An overburden pressure is caused by the combined weight of the formation rock and the fluids (water/gas/oil) present in the pore spaces overlying the formation of interest. The overburden pressure, in general, increases relatively uniformly with depth, whereas the hydrostatic gradient is mainly a function of two variables: the dissolved solids concentration and the temperature gradient. The hydrostatic pressure gradient for fresh water is 0.433 psi/ft. Geopressured reservoirs are overpressured; that is, the fluid pressure in the reservoir exceeds the pressure corresponding to the local hydrostatic pressure gradient. (Fig. 3) Confining bed or cap rock is necessary in order for a formation to be geopressured. Otherwise, the pressure would equalize to hydrostatic through upward flow. The pressures in a geopressured reservoir may approach the overburden pressure of about 1 psi/ft. Gulf Coast geopressured reservoirs typically exist between 12,000 to 20,000 feet below the surface. Flow rates of between 10,000 to 40,000 barrels per day, temperatures from 270 to 500 F, bottom hole pressures from 12,000 to 18,500 pounds psi, salinities of 20,000 to 200,000 milligrams per liter, and gas contents of 23 to 100 standard cubic feet per barrel, have been reported from geopressured wells.

Birkinshaw, Kelly

1992-03-24T23:59:59.000Z

250

Low-temperature geothermal assessment of the Jordan Valley Salt Lake County, Utah  

DOE Green Energy (OSTI)

Two known low-temperature areas (Warm Springs fault and Crystal Hot Springs) are located in the Jordan Valley, but the primary purpose of this report is to locate other low-temperature resources not previously identified. Geothermal reconnaissance techniques utilized in this study include a temperature survey and chemical analysis of wells and springs, and temperature-depth measurements in holes of opportunity. Also, further site specific gravity modelling for the Warm Springs fault geothermal area and initial modelling for the entire valley were also conducted. Areas identified as having potential low-temperature geothermal resources at depth are: (1) the north-central valley area; (2) an east-west portion of the central valley; and (3) a north-south oriented area extending from Draper to Midvale. Each of these areas exhibits ground-water temperatures 20/sup 0/C or greater. Each area has thermal wells with common ion characteristics similar to both Crystal Hot Springs and the Warm Springs fault geothermal systems. Significant concentrations of Sr, Li, B, and F are present in many of these wells.

Klauk, R.H.

1984-07-01T23:59:59.000Z

251

Field procedures manual: INYO-4, Long Valley Caldera, California  

DOE Green Energy (OSTI)

This Field Procedures Manual is the comprehensive operations guide to be used to curate samples obtained from the INYO-4 site in the Long Valley Caldera, California. This site is a diamond drilling project in small-diameter holes that will produce continuous core. Fluid samples will also be of primary importance at this site. Detailed core and fluid handling procedures are therefore the major focus of this manual. The manual provides a comprehensive operations guide for the well-site geoscientists working at the Department of Energy/Office of Basic Energy Sciences (DOE/OBES) Continental Scientific Drilling Program (CSDP)/Thermal Regimes drill sites. These procedures modify and improve those in previous DOE/OBES field manuals. 1 ref.; 6 figs.

Goff, S.

1989-01-01T23:59:59.000Z

252

Geological and Geothermal Investigation of the Lower Wind River Valley, Southwestern Washington Cascade Range  

DOE Green Energy (OSTI)

The Wind River Valley, on the west slope of the Cascade Range, is a northwest-trending drainage that joins the Columbia River near Carson, Washington. The region has been heavily dissected by fluvial and glacial erosion. Ridges have sharp crests and deep subsidiary valleys typical of a mature topography, with a total relief of as much as 900 m. The region is vegetated by fir and hemlock, as well as dense, brushy ground-cover and undergrowth. The lower 8 km of the valley is privately owned and moderately populated. The upper reaches lies within the Gifford Pinchot National Forest, and include several campgrounds and day parks, the Carson National Fish Hatchery, and the Wind River Ranger Station and Wind River Nursery of the US Forest Service. Logging activity is light due to the rugged terrain, and consequently, most valley slopes are not accessible by vehicle. The realization that a potential for significant geothermal resources exists in the Wind River area was brought about by earlier exploration activities. Geologic mapping and interpretation was needed to facilitate further exploration of the resource by providing a knowledge of possible geologic controls on the geothermal system. This report presents the detailed geology of the lower Wind River valley with emphasis on those factors that bear significantly on development of a geothermal resource.

Berri, Dulcy A.; Korosec, Michael A.

1983-01-01T23:59:59.000Z

253

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al.,  

Open Energy Info (EERE)

3) 3) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Reflection Survey Activity Date Usefulness useful DOE-funding Unknown Notes The seismic reflection data are very useful and can be site specific when a profile is in the right place, but are sparse, very difficult to interpret correctly, and expensive to collect. The velocity values used are uncertain even though there are several sonic logs for the wells. A VSP, Vertical Seismic Profile, survey would significantly improve the precision of the interpretation References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of Basin And Range Systems, Especially Dixie Valley Geothermal Field, Nevada

254

Microfossils from Cerro Prieto geothermal wells, Baja California, Mexico  

DOE Green Energy (OSTI)

To aid in a paleoenvironmental and age reconstruction of the Cerro Prieto reservoir system, 59 samples of well cuttings were analyzed for microfossils. The cuttings were obtained at depths from 351 to 3495 m in 14 geothermal wells in the Cerro Prieto field, Baja California, Mexico. We found foraminifera in 6 samples, ostracodes in 19 samples, and nannoplankton as coccoliths in 24 samples. Other groups, such as molluscs, insects, fish skeletal parts, and plant material were occasionally present. Detailed interpretations are not possible at this time because of poor preservation of samples. This is primarily due to causes: dissolution by geothermal fluids that reach 350{sup 0}C, and the extensive mixing of filled Cretaceous forms (reworked from the Colorado Plateau region) with Tertiary species during drilling. Further studies of ostracodes and foraminifera from colder portions of the wells are needed. The abundant and well-preserved ostracodes indicate marine to brackish water environments that correspond, in part, to lagoonal or estuarine facies. The presence of the mid-Tertiary (15-My-old) marine foraminifera, Cassigerinela chipolensis, in wells M-11 and M-38, 350 to 500 m deep, is perplexing. These are not laboratory contaminates and, as yet, have not been found in the drilling mud. If further studies confirm their presence at Cerro Prieto, established ideas about the opening of the Gulf of California and about Pacific Coast mid-Tertiary history will need to be rewritten.

Cotton, M.L.; Vonder Haar, S.

1980-01-01T23:59:59.000Z

255

Regional hydrology of the Dixie Valley geothermal field, Nevada: preliminary interpretations of chemical and isotopic data  

SciTech Connect

Chemical and isotopic analyses of Dixie Valley regional waters indicate several distinct groups ranging in recharge age from Pleistocene (<20 ka) to recent (<50a). Valley groundwater is older than water from perennial springs and artesian wells in adjacent ranges, with Clan Alpine range (east) much younger (most <50a) than Stillwater range (west; most >1000a). Geothermal field fluids ({approximately}12-14 ka) appear derived from water similar in composition to non-thermal groundwater observed today in valley artesian wells (also -14 ka). Geothermal fluid interaction with mafic rocks (Humboldt Lopolith) appears to be common, and significant reaction with granodiorite may also occur. Despite widespread occurrence of carbonate rocks, large scale chemical interaction appears minor. Age asymmetry of the ranges, more extensive interaction with deep-seated waters in the west, and distribution of springs and artesian wells suggest the existence of a regional upward hydrologic gradient with an axis in proximity to the Stillwater range.

Counce, D; Dunlap, C; Goff, F; Huebner, M; Janik, C; Johnson, S; Nimz, G

1999-08-16T23:59:59.000Z

256

Heat flow in the Coso geothermal area, Inyo County, California | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Heat flow in the Coso geothermal area, Inyo County, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Heat flow in the Coso geothermal area, Inyo County, California Details Activities (2) Areas (1) Regions (0) Abstract: Obvious surface manifestations of an anomalous concentration of geothermal resources at the Coso geothermal area, Inyo County, California, include fumarolic activity and associated hydrothermally altered rocks. Pleistocene volcanic rocks associated with the geothermal activity include 38 rhyolite domes occupying a north trending structural and topographic

257

NEW SEISMIC IMAGING OF THE COSO GEOTHERMAL FIELD, EASTERN CALIFORNIA | Open  

Open Energy Info (EERE)

NEW SEISMIC IMAGING OF THE COSO GEOTHERMAL FIELD, EASTERN CALIFORNIA NEW SEISMIC IMAGING OF THE COSO GEOTHERMAL FIELD, EASTERN CALIFORNIA Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: NEW SEISMIC IMAGING OF THE COSO GEOTHERMAL FIELD, EASTERN CALIFORNIA Details Activities (1) Areas (1) Regions (0) Abstract: New multifold seismic reflection data from the central Coso Range, eastern California, image brittle faults and other structures in Mesozoic crystalline rocks that host a producing geothermal field. The reflection data were processed in two steps that incorporate new seismic imaging methods: (1) Pwave first arrivals in the seismic data were inverted for subsurface acoustic velocities using a non-linear simulated annealing approach; and (2) 2-D Velocity tomograms obtained from the inversions were

258

Geothermal probabilistic cost model with an application to a geothermal reservoir at Heber, California  

DOE Green Energy (OSTI)

A financial accounting model that incorporates physical and institutional uncertainties has been developed for geothermal projects. Among the uncertainties it can handle are well depth, flow rate, fluid temperature, and permit and construction times. The outputs of the model are cumulative probability distributions of financial measures such as capital cost, levelized cost, and profit. These outputs are well suited for use in an investment decision incorporating risk. The model has the powerful feature that conditional probability distribution can be used to account for correlations among any of the input variables. The model has been applied to a geothermal reservoir at Heber, California, for a 45-MW binary electric plant. Under the assumptions made, the reservoir appears to be economically viable.

Orren, L.H.; Ziman, G.M.; Jones, S.C.

1981-12-15T23:59:59.000Z

259

Isotopic Analysis- Fluid At Indian Valley Hot Springs Geothermal...  

Open Energy Info (EERE)

Inyo and Kern Counties, California. Supplement. Isotope geochemistry and Appendix H. Final report Retrieved from "http:en.openei.orgwindex.php?titleIsotopicAnalysis-Flu...

260

Statistical study of seismicity associated with geothermal reservoirs in California  

DOE Green Energy (OSTI)

Statistical methods are outlined to separate spatially, temporally, and magnitude-dependent portions of both the random and non-random components of the seismicity. The methodology employed compares the seismicity distributions with a generalized Poisson distribution. Temporally related events are identified by the distribution of the interoccurrence times. The regions studied to date include the Imperial Valley, Coso, The Geysers, Lassen, and the San Jacinto fault. The spatial characteristics of the random and clustered components of the seismicity are diffuse and appear unsuitable for defining the areal extent of the reservoir. However, from the temporal characteristics of the seismicity associated with these regions a general discriminant was constructed that combines several physical parameters for identifying the presence of a geothermal system.

Hadley, D.M.; Cavit, D.S.

1982-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
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261

Seismicity related to geothermal development in Dixie Valley, Nevada  

DOE Green Energy (OSTI)

A ten-station seismic network was operated in and around the Dixie Valley area from January 1980 to November 1981; three of these stations are still in operation. Data from the Dixie Valley network were analyzed through 30 Jun 1981, and results of analysis were compared with analysis of somewhat larger events for the period 1970-1979. The seismic cycle in the Western Great Basic, the geologic structural setting, and the instrumentation are also described.

Ryall, A.S.; Vetter, U.R.

1982-07-08T23:59:59.000Z

262

Observations of Nighttime Winds Using Pilot Balloons in Anderson Creek Valley, Geysers, California  

Science Conference Proceedings (OSTI)

Nighttime drainage or downslope winds along the east-facing slope of Anderson Creek Valley located in the Geysers area of northern California are examined using pilot balloons as air parcel tracers. Observations made over four nights show a ...

Carmen J. Nappo; Howell F. Snodgrass

1981-06-01T23:59:59.000Z

263

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

of commercial power generation at The Geysers geothermal field in California as six distinct and consecutive the largest source of commercial geothermal power tapped to date in the world, and its history presents geothermal field in California has been supplying commercial electric power continuously for the last half

Stanford University

264

Geotechnical studies of geothermal reservoirs | Open Energy Information  

Open Energy Info (EERE)

Geotechnical studies of geothermal reservoirs Geotechnical studies of geothermal reservoirs Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Geotechnical studies of geothermal reservoirs Details Activities (7) Areas (7) Regions (0) Abstract: It is proposed to delineate the important factors in the geothermal environment that will affect drilling. The geologic environment of the particular areas of interest are described, including rock types, geologic structure, and other important parameters that help describe the reservoir and overlying cap rock. The geologic environment and reservoir characteristics of several geothermal areas were studied, and drill bits were obtained from most of the areas. The geothermal areas studied are: (1) Geysers, California, (2) Imperial Valley, California, (3) Roosevelt Hot

265

An isotopic study of the Coso, California, geothermal area | Open Energy  

Open Energy Info (EERE)

study of the Coso, California, geothermal area study of the Coso, California, geothermal area Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: An isotopic study of the Coso, California, geothermal area Details Activities (1) Areas (1) Regions (0) Abstract: Thirty-nine water samples were collected from the Coso geothermal system and vicinity and were analyzed for major chemical constituents and deltaD and delta^18/O. Non-thermal ground waters from the Coso Range were found to be isotopically heavier than non-thermal ground waters from the Sierra Nevada to the west. The deltaD value for the deep thermal water at Coso is similar to that of the Sierra water, suggesting that the major recharge for the hydrothermal system comes from the Sierra Nevada rather than from local precipitation on the Coso Range. The delta^18/O values of

266

A gravity model for the Coso geothermal area, California | Open Energy  

Open Energy Info (EERE)

gravity model for the Coso geothermal area, California gravity model for the Coso geothermal area, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: A gravity model for the Coso geothermal area, California Details Activities (1) Areas (1) Regions (0) Abstract: Two- and three-dimensional gravity modeling was done using gridded Bouguer gravity data covering a 45 x 45 km region over the Coso geothermal area in an effort to identify features related to the heat source and to seek possible evidence for an underlying magma chamber. Isostatic and terrain corrected Bouguer gravity data for about 1300 gravity stations were obtained from the US Geological Survey. After the data were checked, the gravity values were gridded at 1 km centers for the area of interest centered on the Coso volcanic field. Most of the gravity

267

Remote sensing survey of the Coso geothermal area, Inyo county, California.  

Open Energy Info (EERE)

sensing survey of the Coso geothermal area, Inyo county, California. sensing survey of the Coso geothermal area, Inyo county, California. Technical publication 1968--1971 Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Remote sensing survey of the Coso geothermal area, Inyo county, California. Technical publication 1968--1971 Details Activities (4) Areas (1) Regions (0) Abstract: The Coso geothermal area, located primarily within the test ranges of the Naval Weapons Center, China Lake, Calif., is an area of granitic rock exposure and fracture-controlled explosion breccias and perlitic domes. Fumarolic and hot springs activity are present at scattered locations. Remote sensing studies were made that included color and color IR photography, 8- to 14-micrometer IR imagery, and snowmelt patterns. Color photography and snowmelt patterns were of greatest utility in

268

Geological and geothermal investigation of the lower Wind River valley, southwestern Washington Cascade Range  

DOE Green Energy (OSTI)

The detailed geology of the lower Wind River valley is presented with emphasis on those factors that bear significantly on development of a geothermal resource. The lower Wind River drainage consists primarily of the Ohanapecosh Formation, an Oligocene unit that is recognized across the entire southern Washington Cascade Range. The formation is at least 300 m thick in the Wind River valley area. It consists largely of volcaniclastic sediments, with minor massive pyroclastic flows, volcanic breccias and lava flows. Low grade zeolite facies metamorphism during the Miocene led to formation of hydrothermal minerals in Ohanapecosh strata. Metamorphism probably occurred at less than 180{sup 0}C.

Berri, D.A.; Korosec, M.A.

1983-01-01T23:59:59.000Z

269

Geochemistry of the Wendel-Amedee Geothermal System-California | Open  

Open Energy Info (EERE)

Geochemistry of the Wendel-Amedee Geothermal System-California Geochemistry of the Wendel-Amedee Geothermal System-California Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Geochemistry of the Wendel-Amedee Geothermal System-California Abstract The fluid chemistry of the geothermal system that feed Amedee and Wendel Hot Springs in eastern California is complex. Two thermal fluids have been identified based on the concentrations of the conservative elements C1 and B, fluid enthalpies, and the application of chemical geothermometers. One is characterized by temperatures above 120°C and a TDS content of 1300 ppm, and will be used by GeoProducts Corporation to produce electricity. The second did lower in temperature, 75°C, and has a TDS content of 650 ppm. This fluid may be used fore direct heat application at the Susanville

270

Significant Problems in Geothermal Development in California, Final Report on Four Workshops, December 1978 - March 1979  

DOE Green Energy (OSTI)

From November 1978 through March 1979 the California Geothermal Resources Board held four workshops on the following aspects of geothermal development in California: County Planning for Geothermal Development; Federal Leasing and Environmental Review Procedures; Transmission Corridor Planning; and Direct Heat Utilization. One of the objectives of the workshops was to increase the number of people aware of geothermal resources and their uses. This report is divided into two parts. Part 1 provides summaries of all the key information discussed in the workshops. For those people who were not able to attend, this part of the report provides you with a capsule version of the workshop sessions. Part 2 focuses on the key issues raised at the workshops which need to be acted upon to expedite geothermal resource development that is acceptable to local government and environmentally prudent. For the purpose of continuity, similar Geothermal Resources Task Force recommendations are identified.

None

1979-07-15T23:59:59.000Z

271

Analysis of requirements for accelerating the development of geothermal energy resources in California  

SciTech Connect

Various resource data are presented showing that geothermal energy has the potential of satisfying a significant part of California's increasing energy needs. General factors slowing the development of geothermal energy in California are discussed and required actions to accelerate its progress are presented. Finally, scenarios for developing the most promising prospect in the state directed at timely on-line power are given. Specific actions required to realize each of these individual scenarios are identified.

Fredrickson, C.D.

1977-11-15T23:59:59.000Z

272

Analysis of requirements for accelerating the development of geothermal energy resources in California  

DOE Green Energy (OSTI)

Various resource data are presented showing that geothermal energy has the potential of satisfying a significant part of California's increasing energy needs. General factors slowing the development of geothermal energy in California are discussed and required actions to accelerate its progress are presented. Finally, scenarios for developing the most promising prospect in the state directed at timely on-line power are given. Specific actions required to realize each of these individual scenarios are identified.

Fredrickson, C.D.

1977-11-15T23:59:59.000Z

273

Regional hydrology of the Dixie Valley geothermal field, Nevada: preliminary interpretations of chemical and isotopic data  

Science Conference Proceedings (OSTI)

Chemical and isotopic analyses of Dixie Valley regional waters indicate several distinct groups ranging in recharge age from Pleistocene (1000a). Geothermal field fluids ({approximately}12-14 ka) appear derived from water similar in composition to non-thermal groundwater observed today in valley artesian wells (also -14 ka). Geothermal fluid interaction with mafic rocks (Humboldt Lopolith) appears to be common, and significant reaction with granodiorite may also occur. Despite widespread occurrence of carbonate rocks, large scale chemical interaction appears minor. Age asymmetry of the ranges, more extensive interaction with deep-seated waters in the west, and distribution of springs and artesian wells suggest the existence of a regional upward hydrologic gradient with an axis in proximity to the Stillwater range.

Counce, D; Dunlap, C; Goff, F; Huebner, M; Janik, C; Johnson, S; Nimz, G

1999-08-16T23:59:59.000Z

274

Geothermal reservoir assessment case study: Northern Dixie Valley, Nevada  

DOE Green Energy (OSTI)

Two 1500 foot temperature gradient holes and two deep exploratory wells were drilled and tested. Hydrologic-hydrochemical, shallow temperature survey, structural-tectonic, petrologic alteration, and solid-sample geochemistry studies were completed. Eighteen miles of high resolution reflection seismic data were gathered over the area. The study indicates that a geothermal regime with temperatures greater than 400/sup 0/F may exist at a depth of approximately 7500' to 10,000' over an area more than ten miles in length.

Denton, J.M.; Bell, E.J.; Jodry, R.L.

1980-11-01T23:59:59.000Z

275

Attenuation structure of Coso geothermal area, California, from...  

Open Energy Info (EERE)

Number: Unavailable DOI: Unavailable Source: View Original Journal Article Micro-Earthquake At Coso Geothermal Area (1996) Coso Geothermal Area Retrieved from "http:...

276

New Evidence On The Hydrothermal System In Long Valley Caldera, California,  

Open Energy Info (EERE)

New Evidence On The Hydrothermal System In Long Valley Caldera, California, New Evidence On The Hydrothermal System In Long Valley Caldera, California, From Wells, Fluid Sampling, Electrical Geophysics, And Age Determinations Of Hot-Spring Deposits Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: New Evidence On The Hydrothermal System In Long Valley Caldera, California, From Wells, Fluid Sampling, Electrical Geophysics, And Age Determinations Of Hot-Spring Deposits Abstract Data collected since 1985 from test drilling, fluid sampling, and geologic and geophysical investigations provide a clearer definition of the hydrothermal system in Long Valley caldera than was previously available. This information confirms the existence of high-temperature (> 200°C) reservoirs within the volcanic fill in parts of the west moat. These

277

Report of the State Geothermal Resources Task Force, State of California  

DOE Green Energy (OSTI)

The State Geothermal Resources Task Force has investigated the status of geothermal resources and development in California and in this report offers recommendations for overcoming obstacles facing increased utilization of this significant natural resource. For the most part, these recommendations are short-term solutions to immediate problems and would not radically change the roles of governmental agencies currently regulating geothermal development. The Task Force concludes that geothermal operations have been hindered by the lack of a statewide policy on geothermal development. This has resulted in instances where industry has been forced to comply with conflicting governmental policies toward geothermal energy development and environmental protection. The Task Force therefore recommends legislation establishing a statewide policy to encourage geothermal development consistent with environmental quality standards. In addition to geothermal resources suitable for the production of electrical power, California has extensive undeveloped hot water reservoirs suitable for direct thermal applications. The Energy Resources Conservation and Development Commission and the US Geological Survey have concluded that these resources, if developed, could make a significant contribution to satisfying California's energy needs. The Task Force therefore recommends establishing a statewide policy to encourage the use of non-electric hot water geothermal resources for commercial and non-commercial uses where the development is consistent with environmental quality concerns.

Warburg, Judith; Kirkham, Bill; Hannon, Theodore

1978-06-01T23:59:59.000Z

278

Preliminary direct heat geothermal resource assessment of the Tennessee Valley region  

DOE Green Energy (OSTI)

A preliminary appraisal of the direct heat geothermal energy resources of the Tennessee Valley region has been completed. This region includes Kentucky, Tennessee and parts of adjacent states. Intermediate and deep aquifers were selected for study. Basement and Top-of-Knox structure and temperature maps were compiled from oil and gas well data on file at various state geological survey offices. Results of this study indicate that the New Madrid seismic zone is the only area within the region that possesses potential for direct heat utilization. In other areas geothermal energy is either too deep for economical extraction or it will not be able to compete with other local energy resources. The only anomalously high temperature well outside the New Madrid seismic zone was located in the Rome Trough and near the central part of the eastern Kentucky coal basin. Geothermal energy in that region would face strong competition from coal, oil and natural gas.

Staub, W.P.

1980-01-01T23:59:59.000Z

279

Hydrologic properties of the Dixie Valley, Nevada, geothermal reservoir from well-test analyses  

DOE Green Energy (OSTI)

Temperature, pressure, and spinner (TPS) logs have been recorded in several wells from the Dixie Valley Geothermal Reservoir in west central Nevada. A variety of well-test analyses has been performed with these data to quantify the hydrologic properties of this fault-dominated geothermal resource. Four complementary analytical techniques were employed, their individual application depending upon availability and quality of data and validity of scientific assumptions. In some instances, redundancy in methodologies was used to decouple interrelated terms. The methods were (1) step-drawdown, variable-discharge test; (2) recovery analysis; (3) damped-oscillation response; and (4) injection test. To date, TPS logs from five wells have been examined and results fall into two distinct categories. Productive, economically viable wells have permeability-thickness values on the order of 10{sup 5} millidarcy-meter (mD-m) and storativities of about 10{sup {minus}3}. Low-productivity wells, sometimes located only a few kilometers from their permeable counterparts, are artesian and display a sharp reduction in permeability-thickness to about 10 mD-m with storativities on the order of 10{sup {minus}4}. These results demonstrate that the hydrologic characteristics of this liquid-dominated geothermal system exhibit a significant spatial variability along the range-bounding normal fault that forms the predominant aquifer. A large-scale, coherent model of the Dixie Valley Geothermal Reservoir will require an understanding of the nature of this heterogeneity and the parameters that control it.

Morin, R.H. [Geological Survey, Denver, CO (United States); Hickman, S.H. [Geological Survey, Menlo Park, CA (United States); Barton, C.A. [Stanford Univ., CA (United States). Dept. of Geophysics; Shapiro, A.M. [Geological Survey, Reston, VA (United States); Benoit, W.R. [Oxbow Geothermal Corp., Reno, NV (United States); Sass, J.H. [Geological Survey, Flagstaff, AZ (United States)

1998-08-01T23:59:59.000Z

280

Performance characteristics of the Lysholm engine as tested for geothermal power applications in the Imperial Valley  

Science Conference Proceedings (OSTI)

This paper contains a description of the performance tests of a Lysholm engine completed at the Lawrence Livermore National Laboratory at the University of California. The Lysholm engine is a rotary displacement engine which can accept a low quality (vapor fraction) two-phase mixture. Generally, the well-head condition of geothermal fluids is a mixture of liquid and vapor, with quality up to 40 percent, although for most liquid dominated geothermal resources the vapor fraction is considerably less than 40 percent. 13 refs.

Steidel, R.F. Jr.; Weiss, H.; Flower, J.E.

1982-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

A gravity model for the Coso geothermal area, California  

DOE Green Energy (OSTI)

Two- and three-dimensional gravity modeling was done using gridded Bouguer gravity data covering a 45 {times} 45 km region over the Coso geothermal area in an effort to identify features related to the heat source and to seek possible evidence for an underlying magma chamber. Isostatic and terrain corrected Bouguer gravity data for about 1300 gravity stations were obtained from the US Geological Survey. After the data were checked, the gravity values were gridded at 1 km centers for the area of interest centered on the Coso volcanic field. Most of the gravity variations can be explained by two lithologic units: (1) low density wedges of Quarternary alluvium with interbedded thin basalts (2.4 g/cm{sup 3}) filling the Rose Valley and Coso Basin/Indian Wells Valley, and (2) low density cover of Tertiary volcanic rocks and intercalated Coso Formation (2.49 g/cm{sup 3}). A 3-D iterative approach was used to find the thicknesses of both units. The gravity anomaly remaining after effects from Units 1 and 2 are removed is a broad north-south-trending low whose major peak lies 5 km north of Sugarloaf Mountain, the largest of the less than 0.3 m.y. old rhyolite domes in the Coso Range. Most of this residual anomaly can be accounted for by a deep, low-density (2.47 g/cm{sup 3}) prismatic body extending from 8 to about 30 km below the surface. While some of this anomaly might be associated with fractured Sierran granitic rocks, its close correlation to a low-velocity zone with comparable geometry suggests that the residual anomaly is probably caused a large zone of partial melt underlying the rhyolite domes of the Coso Range. 12 refs., 9 figs.

Feighner, M.A.; Goldstein, N.E.

1990-08-01T23:59:59.000Z

282

Niland development project geothermal loan guaranty: 49-MW (net) power plant and geothermal well field development, Imperial County, California: Environmental assessment  

DOE Green Energy (OSTI)

The proposed federal action addressed by this environmental assessment is the authorization of disbursements under a loan guaranteed by the US Department of Energy for the Niland Geothermal Energy Program. The disbursements will partially finance the development of a geothermal well field in the Imperial Valley of California to supply a 25-MW(e) (net) power plant. Phase I of the project is the production of 25 MW(e) (net) of power; the full rate of 49 MW (net) would be achieved during Phase II. The project is located on approximately 1600 acres (648 ha) near the city of Niland in Imperial County, California. Well field development includes the initial drilling of 8 production wells for Phase I, 8 production wells for Phase II, and the possible need for as many as 16 replacement wells over the anticipated 30-year life of the facility. Activities associated with the power plant in addition to operation are excavation and construction of the facility and associated systems (such as cooling towers). Significant environmental impacts, as defined in Council on Environmental Quality regulation 40 CFR Part 1508.27, are not expected to occur as a result of this project. Minor impacts could include the following: local degradation of ambient air quality due to particulate and/or hydrogen sulfide emissions, temporarily increased ambient noise levels due to drilling and construction activities, and increased traffic. Impacts could be significant in the event of a major spill of geothermal fluid, which could contaminate groundwater and surface waters and alter or eliminate nearby habitat. Careful land use planning and engineering design, implementation of mitigation measures for pollution control, and design and implementation of an environmental monitoring program that can provide an early indication of potential problems should ensure that impacts, except for certain accidents, will be minimized.

Not Available

1984-10-01T23:59:59.000Z

283

Velocity and Attenuation Structure of the Geysers Geothermal Field, California  

DOE Green Energy (OSTI)

The Geysers geothermal field is located in northern California and is one of the world's largest producers of electricity from geothermal energy. The resource consists of primarily dry steam which is produced from a low, porosity fractured graywacke. Over the last several years steam pressure at the Geysers has been dropping. Concern over decline of the resource has prompted research to understand its fundamental nature. A key issue is the distribution of fluid in the matrix of the reservoir rock. In this paper we interpret seismic compressional-wave velocity and attenuation data at the Geysers in terms of the geologic structure and fluid saturation in the reservoir. Our data consist of approximately 300 earthquakes that are of magnitude 1.2 and are distributed in depth between sea level and 2.5 km. Using compressional-wave arrival times, we invert for earthquake location, origin time, and velocity along a three-dimensional grid. Using the initial pulse width of the compressional-wave, we invert for the initial pulse width associated with the source, and the one-dimensional Q structure. We find that the velocity structure correlates with known mapped geologic units, including a velocity high that is correlated with a felsite body at depth that is known from drilling. The dry steam reservoir, which is also known from drilling, is mostly correlated with low velocity. The Q increases with depth to the top of the dry steam reservoir and decreases with depth within the reservoir. The decrease of Q with depth probably indicates that the saturation of the matrix of the reservoir rock increases with depth.

Zucca, J. J.; Hutchings, L. J.; Kasameyer, P. W.

1993-01-01T23:59:59.000Z

284

Report to the Legislature on the California Energy Commission's Geothermal Development Grant Program for Local Governments  

DOE Green Energy (OSTI)

This report documents the California Energy Commission's administration of its Geothermal Development Grant Program for Local Governments. The Energy Commission established this program as a result of the passage of Assembly Bill 1905 (Bosco) in 1980. This legislation established the mechanism to distribute the state's share of revenues received from the leasing of federal mineral reserves for geothermal development. The federal government deposits these revenues in the Geothermal Resources Development Account (GRDA) created by AB 1905. The state allocates funds from the GRDA to the California Parklands and Renewable Resources Investment Fund, the counties of origin where the federal leases are located, and the Energy Commission. The legislation further directs the Energy Commission to disburse its share as grants to local governments to assist with the planning and development of geothermal resources. Activities which are eligible for funding under the Energy Commission's grant program include resource development projects, planning and feasibility studies, and activities to mitigate the impacts of existing geothermal development.

Not Available

1983-04-01T23:59:59.000Z

285

Geothermal Development and Resource Management in the Yakima Valley : A Guidebook for Local Governments.  

DOE Green Energy (OSTI)

The guidebook defines the barriers to geothermal energy development at all levels of government and proposes ways to overcome these various barriers. In recognition that wholesale development of the region's geothermal resources could create a series of environmental problems and possible conflicts between groundwater users, resource management options are identified as possible ways to ensure the quality and quantity of the resource for future generations. It is important for local governments to get beyond the discussion of the merits of geothermal energy and take positive actions to develop or to encourage the development of the resource. To this end, several sources of technical and financial assistance are described. These sources of assistance can enable local governments and others to take action should they choose to do so. Even though the Yakima Valley is the setting for the analysis of local issues that could hamper geothermal development, this guidebook could be used by any locale with geothermal energy resources. The guidebook is not a scientific manual, but rather a policy document written especially for local government staff and officials who do not have technical backgrounds in geology or hydrology.

Creager, Kurt

1984-03-01T23:59:59.000Z

286

Modeling of Mountain-Valley Wind Fields in the Southern San Joaquin Valley, California  

Science Conference Proceedings (OSTI)

A dry three-dimensional mesoscale model was used to study the diurnal cycle of mountain-valley winds in the southern San Joaquin Valley during a summer day. A scheme for interpolating potential temperature was developed to provide hourly ...

Gary E. Moore; Christopher Daly; Mei-Kao Liu; Shi-Jian Huang

1987-09-01T23:59:59.000Z

287

Salmon Lifecycle Considerations to Guide Stream Management: Examples from Californias Central Valley  

E-Print Network (OSTI)

salmonids. Volume 2. Sacramento, (CA): California DepartmentReport Number 2012-1. Sacramento (CA): California Departmentsalmonids. Volume 2. Sacramento, (CA): California Department

Merz, Joseph E.; Workman, Michelle; Threloff, Doug; Cavallo, Brad

2013-01-01T23:59:59.000Z

288

Seismotectonics of the Coso Range-Indian Wells Valley region, California:  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » Seismotectonics of the Coso Range-Indian Wells Valley region, California: Transtensional deformation along the southeastern margin of the Sierra Nevada microplate Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Seismotectonics of the Coso Range-Indian Wells Valley region, California: Transtensional deformation along the southeastern margin of the Sierra Nevada microplate Abstract not available Authors Jeffrey R. Unruh, Egill Hauksson, Francis C. Monastero and Robert J. Twiss and Jonathan C. Lewis Published Journal Geological Society of America, 2002 DOI 10.1130/0-8137-1195-9.277 Online Internet link for Seismotectonics of the Coso Range-Indian Wells Valley region, California: Transtensional deformation along the

289

Geobotanical characterization of a geothermal system using hyperspectral imagery: Long Valley Caldera, CA  

SciTech Connect

We have analyzed hyperspectral Airborne Visible-Infrared Imaging System (AVIRIS) imagery taken in September of 1992 in Long Valley Caldera, CA, a geothermally active region expressed surficially by hot springs and fumaroles. Geological and vegetation mapping are attempted through spectral classification of imagery. Particular hot spring areas in the caldera are targeted for analysis. The data is analyzed for unique geobotanical patterns in the vicinity of hot springs as well as gross identification of dominant plant and mineral species. Spectra used for the classifications come from a vegetation spectral library created for plant species found to be associated with geothermal processes. This library takes into account the seasonality of vegetation by including spectra for species on a monthly basis. Geological spectra are taken from JPL and USGS mineral libraries. Preliminary classifications of hot spring areas indicate some success in mineral identification and less successful vegetation species identification. The small spatial extent of individual plants demands either sub-pixel analysis or increased spatial resolution of imagery. Future work will also include preliminary analysis of a hyperspectral thermal imagery dataset and a multitemporal air photo dataset. The combination of these remotely sensed datasets for Long Valley will yield a valuable product for geothermal exploration efforts in other regions.

Carter, M R; Cochran, S A; Martini, B A; Pickles, W L; Potts, D C; Priest, R E; Silver, E A; Wayne, B A; White, W T

1998-12-01T23:59:59.000Z

290

Blueprint for financing geothermal district heating in California  

DOE Green Energy (OSTI)

The current legal and investment climate surrounding geothermal development is depicted. Changes that would make the climate more favorable to direct heat geothermal development are recommended. The Boise, Susanville, and Brady Hot Springs projects are analyzed. (MHR)

Grattan, J.P.; Hansen, D.P.

1981-03-01T23:59:59.000Z

291

Potential effects of geothermal energy conversion on Imperial Valley ecosystems. [Seven workshop presentations  

DOE Green Energy (OSTI)

This workshop on potential effcts of geothermal energy conversion on the ecology of Imperial Valley brought together personnel of Lawrence Livermore Laboratory and many collaborators under the sponsorship of the ERDA Imperial Valley Environmental Project (IVEP). The LLL Integrated Assessment Team identified the electric power potential and its associated effluents, discharges, subsidence, water requirements, land use, and noise. The Working Groups addressed the ecological problems. Water resource management problems include forces on water use, irrigation methods and water use for crops, water production, and water allocation. Agricultural problems are the contamination of edible crops and the reclamation of soil. A strategy is discussed for predevelopment baseline data and for identification of source term tracers. Wildlife resources might be threatened by habitat destruction, powerline impacts, noise and disturbance effects, gas emissions, and secondary impacts such as population pressure. Aquatic ecosystems in both the Salton Sea and fresh waters have potential hazards of salinity and trace metal effects, as well as existing stresses; baseline and bioassay studies are discussed. Problems from air pollution resulting from geothermal resource development might occur, particularly to vegetation and pollinator insects. Conversion of injury data to predicted economic damage isneeded. Finally, Imperial Valley desert ecosystems might be threatened by destruction of habitat and the possible effects on community structure such as those resulting from brine spills.

Shinn, J.H. (ed.)

1976-12-17T23:59:59.000Z

292

Characteristics of geothermal wells located in the Salton Sea geothermal field, Imperial County, California  

DOE Green Energy (OSTI)

A summary is given of the geophysical, geochemical, and geothermal characteristics of wells located in the Salton Sea Geothermal Field. Based on the geothermal characteristics of the wells, a subsurface heat profile was developed for the entire geothermal field. Maps of temperature contours for specified depths throughout the field were also drawn.

Palmer, T.D.

1975-12-15T23:59:59.000Z

293

Resource assessment of low- and moderate-temperature geothermal waters in Calistoga, Napa County, California. Report of the second year, 1979-1980  

DOE Green Energy (OSTI)

Phase I studies included updating and completing the USGS GEOTHERM file for California and compiling all data needed for a California Geothermal Resources Map. Phase II studies included a program to assess the geothermal resource at Calistoga, Napa County, California. The Calistoga effort was comprised of a series of studies involving different disciplines, including geologic, hydrologic, geochemical and geophysical studies.

Youngs, L.G.; Bacon, C.F.; Chapman, R.H.; Chase, G.W.; Higgins, C.T.; Majmundar, H.H.; Taylor, G.C.

1980-11-10T23:59:59.000Z

294

Recency of Faulting and Neotechtonic Framework in the Dixie Valley Geothermal Field and Other Geothermal Fields of the Basin and Range  

DOE Green Energy (OSTI)

We studied the role that earthquake faults play in redistributing stresses within in the earths crust near geothermal fields. The geographic foci of our study were the sites of geothermal plants in Dixie Valley, Beowawe, and Bradys Hot Springs, Nevada. Our initial results show that the past history of earthquakes has redistributed stresses at these 3 sites in a manner to open and maintain fluid pathways critical for geothermal development. The approach developed here during our pilot study provides an inexpensive approach to (1) better define the best locations to site geothermal wells within known geothermal fields and (2) to define the location of yet discovered geothermal fields which are not manifest at the surface by active geothermal springs. More specifically, our investigation shows that induced stress concentrations at the endpoints of normal fault ruptures appear to promote favorable conditions for hydrothermal activity in two ways. We conclude that an understanding of the spatial distribution of active faults and the past history of earthquakes on those faults be incorporated as a standard tool in geothermal exploration and in the siting of future boreholes in existing geothermal fields.

Steven Wesnousky; S. John Caskey; John W. Bell

2003-02-20T23:59:59.000Z

295

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 GEOTHERMAL FLUID FLOW MONITORING BY THE REPEAT GRAVITY MEASUREMENT AT THE TAKIGAMI GEOTHERMAL FIELD, JAPAN -APPLICATION OF HYBRID GRAVITY

Stanford University

296

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 SUSTAINABILITY OF GEOTHERMAL DOUBLETS-in the natural energy flow will slowly replenish the geothermal system and it will again be available

Stanford University

297

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University Berkeley, California 94720 e-mail: Kboyle@lbl.gov ABSTRACT The Geysers Geothermal Reservoir experiences, and processing system. INTRODUCTION Geological Setting The Geysers geothermal reservoir is located just south

Stanford University

298

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 CONVERTING GEOTHERMAL PLAYS TO PROJECTS and Resources SA, Petroleum and Geothermal Group GPO Box 1671 Adelaide, South Australia, 5000, Australia e

Stanford University

299

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 DISTRIBUTION OF ARSENIC IN GEOTHERMAL WATERS FROM SABALAN GEOTHERMAL FIELD, N-W IRAN Haeri A.,1 Strelbitskaya S., Porkhial S2 ., Ashayeri, A1 . 1

Stanford University

300

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 -February 2, 2011  

E-Print Network (OSTI)

PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 GEOTHERMAL RESOURCES IN THE PACIFIC ISLANDS their untapped geothermal resources) for cost effective power production and direct-use applications. As part

Stanford University

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Fluid origin, gas fluxes and plumbing system in the sediment-hosted Salton Sea Geothermal System (California, USA)  

E-Print Network (OSTI)

Fluid origin, gas fluxes and plumbing system in the sediment-hosted Salton Sea Geothermal System Available online 12 June 2011 Keywords: Salton Sea Geothermal System hydrothermal seeps gas and water geochemistry flux measurements mantle The Salton Sea Geothermal System (California) is an easily accessible

Mazzini, Adriano

302

IN SEARCH FOR THERMAL ANOMALIES IN THE COSO GEOTHERMAL FIELD (CALIFORNIA)  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » IN SEARCH FOR THERMAL ANOMALIES IN THE COSO GEOTHERMAL FIELD (CALIFORNIA) USING REMOTE SENSING AND FIELD DATA Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: IN SEARCH FOR THERMAL ANOMALIES IN THE COSO GEOTHERMAL FIELD (CALIFORNIA) USING REMOTE SENSING AND FIELD DATA Details Activities (2) Areas (1) Regions (0) Abstract: We attempt to identify thermal anomalies using thermal infrared (TIR) data collected over the Coso Geothermal Power Project with the spaceborne ASTER instrument. Our analysis emphasizes corrections for thermal artifacts in the satellite images caused by topography, albedo, and

303

Geology and alteration of the Coso Geothermal Area, Inyo County, California  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Geology and alteration of the Coso Geothermal Area, Inyo County, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Geology and alteration of the Coso Geothermal Area, Inyo County, California Details Activities (1) Areas (1) Regions (0) Abstract: Geology and alteration of the Coso geothermal area were mapped in conjunction with geophysical surveys and a deep drill test (CGEH-1) to facilitate selection of a follow-up drill site. The oldest rocks exposed at Coso are intermediate to mafic metamorphic rocks of uncertain age intruded by dikes and pods of quartz latite porphyry and felsite, and by a small

304

Resource assessment of low- and moderate-temperature geothermal waters in Calistoga, Napa County, California. Report of the second year, 1979 to 1980 of the US Department of Energy-California State-Coupled Program for reservoir assessment and confirmation  

DOE Green Energy (OSTI)

Statewide assessment studies included updating and completing the USGS GEOTHERM File for California and compiling all data needed for a California Geothermal Resources Map. Site specific assessment studies included a program to assess the geothermal resource at Calistoga, Napa County, California. The Calistoga effort was comprised of a series of studies involving different disciplines, including geologic, hydrologic, geochemical and geophysical studies.

Youngs, L.G.; Bacon, C.F.; Chapman, R.H.; Chase, G.W.; Higgins, C.T.; Majmundar, H.H.; Taylor, G.C.

1980-11-10T23:59:59.000Z

305

Balancing energy and the environment: the case of geothermal development  

DOE Green Energy (OSTI)

The results of part of a Rand study on the federal role in resolving environmental issues arising out of the implementation of energy projects are reported. The projects discussed are two geothermal programs in California: the steam resource development at The Geysers (Lake and Sonoma counties) in northern California, and the wet brine development in the Imperial Valley in southern California.

Ellickson, P.L.; Brewer, S.

1978-06-01T23:59:59.000Z

306

Geothermal development and land use/energy planning by the State of California and its political subdivisions  

DOE Green Energy (OSTI)

California law contains several vehicles for the implementation of geothermal planning. These mechanisms and their impact are examined. First, at the State level upon the California Energy Commission and the Division of Oil and Gas in the Department of Conservation. After some background on county planning in California, the unique situation in the counties of greatest geothermal potential is presented: Imperial County and the four Geysers counties as well as their joint powers agency. Conclusions and recommendations are included. (MHR)

Not Available

1978-07-30T23:59:59.000Z

307

The Northern Fish Lake Valley Pull-Apart Basin: Geothermal Prospecting with Hyperspectral Imaging  

SciTech Connect

High fidelity continuous surface mineralogy maps are combined with local and regional structural models in order to define/refine exploration targets in Fish Lake Valley, NV. Surface mineralogy is derived from a 400 km{sup 2} airborne hyperspectral survey collected in July 2003. Smart and efficient first-tier algorithms consisting primarily of band indices were developed to process and 'spectrally strain' the large dataset for zones of prospective mineral assemblages. The reduced mineral targets then endured re-processing with more sophisticated spectral identification and mapping algorithms. A site at the intersection of the east-trending Coaldale Fault and north-northeast-trending Emigrant Peak Fault Zone was delineated and re-processed for further spectral identification. Populations of montmorillonite, kaolinite, jarosite, alunite and pyrophyllite in this region indicate anomalous geothermal gradients now or in the past and sustained hydrothermal discharge along faults, fractures and contacts in far northeastern Fish Lake Valley. Increased permeability and higher geothermal inputs at this locale are likely due to the transtensional deformation that focuses in this portion of the major right-stepover of the central Walker Lane deformation belt.

Martini, B; Hausknecht, P; Pickles, W

2004-04-26T23:59:59.000Z

308

Resource investigation of low- and moderate-temperature geothermal areas in San Bernardino, California  

SciTech Connect

The California Division of Mines and Geology (CDMG) selected the San Bernardino area for detailed geothermal resource investigation because the area was known to contain promising geothermal resource sites, the area contained a large population center, and the City of San Bernardino had expressed serious interest in developing the area's geothermal resource. Ninety-seven geothermal wells and springs were identified and plotted on a compiled geologic map of the 40-square-mile study area. These wells and springs were concentrated in three distinguishable resource areas: Arrowhead Hot Springs, South San Bernardino, and Harlem Hot Springs--in each of which detailed geophysical, geochemical, and geological surveys were conducted. The Arrowhead Hot Springs geothermal area lies just north of the City of San Bernardino in the San Bernardino Mountains astride a shear zone (offshoot of the San Andreas fault) in pre-Cambrian gneiss and schist. The Harlem Hot Springs geothermal area, on the east side of the City, and the South San Bernardino geothermal area, on the south side, have geothermal reservoirs in Quaternary alluvial material which overlies a moderately deep sedimentary basin bound on the southwest by the San Jacinto fault (a ground water barrier). Geothermometry calculations suggest that the Arrowhead Hot Springs geothermal area, with a maximum reservoir temperature of 142 C, may have the highest maximum reservoir temperature of the three geothermal areas. The maximum temperature recorded by CDMG in the South San Bernardino geothermal area was 56 C from an artesian well, while the maximum temperature recorded in the Harlem Hot Springs geothermal areas was 49.5 C at 174 meters (570 feet) in an abandoned water well.

Youngs, Leslie G.

1982-07-01T23:59:59.000Z

309

Geotechnical studies of geothermal reservoirs  

DOE Green Energy (OSTI)

It is proposed to delineate the important factors in the geothermal environment that will affect drilling. The geologic environment of the particular areas of interest are described, including rock types, geologic structure, and other important parameters that help describe the reservoir and overlying cap rock. The geologic environment and reservoir characteristics of several geothermal areas were studied, and drill bits were obtained from most of the areas. The geothermal areas studied are: (1) Geysers, California, (2) Imperial Valley, California, (3) Roosevelt Hot Springs, Utah, (4) Bacca Ranch, Valle Grande, New Mexico, (5) Jemez Caldera, New Mexico, (6) Raft River, Idaho, and (7) Marysville, Montona. (MHR)

Pratt, H.R.; Simonson, E.R.

1976-01-01T23:59:59.000Z

310

Geothermal development of the Salton Trough, California and Mexico  

SciTech Connect

A geological description is given of the Salton Trought followed by a chronological history of attempts to exploit the area's geothermal resources. In addition, detailed descriptions are given of all ongoing geothermal projects in the area and the organizations conducting them.

Palmer, T.D.; Howard, J.H.; Lande, D.P. (eds.)

1975-04-01T23:59:59.000Z

311

Honey Lake Geothermal Project, Lassen County, California. Final technical report  

DOE Green Energy (OSTI)

This report discusses the drilling, completion, and testing of deep well WEN-2 for a hybrid electric power project which will use the area's moderate temperature geothermal fluids and locally procured wood fuel. The project is located within the Wendel-Amedee Known Geothermal Resource Area. (ACR)

Not Available

1984-11-01T23:59:59.000Z

312

Geothermal development of the Salton Trough, California and Mexico  

DOE Green Energy (OSTI)

A geological description is given of the Salton Trought followed by a chronological history of attempts to exploit the area's geothermal resources. In addition, detailed descriptions are given of all ongoing geothermal projects in the area and the organizations conducting them.

Palmer, T.D.; Howard, J.H.; Lande, D.P. (eds.)

1975-04-01T23:59:59.000Z

313

Assessment of the geothermal resources of Carson-Eagle valleys and Big Smoky Valley, Nevada. First annual report, May 1, 1979-May 30, 1980  

DOE Green Energy (OSTI)

Two geothermal investigations were completed in three Nevada locations. The regions studied were selected from areas outlined as having direct utilization potential (Trexler and others, 1979) and included the Carson-Eagle Valley, Bis Smoky Valley and Caliente. Studies were organized around the completion of a group of tasks in each area. These tasks included: geologic reconnaissance, gravity surveys, aerial photography, fluid sampling and analysis, shallow depth temperature probe surveys, soil mercury surveys, shallow electrical resistivity measurements, and temperature gradient hole drilling. Goals of the project were to provide regional information about the nature and extent of the resources and to offer a critical evaluation of the techniques employed. Results from the work in the Carson-Eagle Valley and Big Smoky Valley are presented. (MHR)

Trexler, D.T.; Koenig, B.A.; Flynn, T.; Bruce, J.L.

1980-01-01T23:59:59.000Z

314

Survey and preliminary evaluation of potential geothermal energy applications for Riverside, California  

DOE Green Energy (OSTI)

A preliminary assessment of the potential applications for geothermal energy in Riverside, California, was made. This assessment includes both potential electrical and non-electrical applications, and focuses on the following factors: the location of nearby geothermal resources; characteristics of these resources; types of applications suited to each resource; technical and economic feasibility of these applications; the potential impact on the energy demand of each application, and potential deterrents to the utilization of geothermal energy for the most promising application. It is concluded that geothermal energy has a promising potential to supply electricity, space heating and cooling, and process heat to Riverside. There are sufficient geothermal resources within 200 miles to supply the electrical requirements of Riverside for thousands of years. Depending on the particular reservoir involved, this electricity can probably be generated at costs ranging from 1 to 3 times the cost of conventional electric power generation. Over this distance, the additional unit cost for energy transmission should be comparatively small. The geothermal resource at nearby Arrowhead Hot Springs has the potential to supply space heating and cooling and process heat to Riverside for a hundred years. The technology for these non-electric uses is available. The cost of using geothermal energy for these applications is estimated at 1 to 2 times the cost of conventional fuels, depending on the population density of the service area. The most difficult problems in the possible use of geothermal energy in Riverside appear to be institutional difficulties in electric applications.

Bloomster, C.H.; Fassbender, L.L.; Schilling, A.H.; Lippek, H.E.

1978-03-01T23:59:59.000Z

315

Geological, geochemical, and geophysical survey of the geothermal resources at Hot Springs Bay Valley, Akutan Island, Alaska  

DOE Green Energy (OSTI)

An extensive survey was conducted of the geothermal resource potential of Hot Springs Bay Valley on Akutan Island. A topographic base map was constructed, geologic mapping, geophysical and geochemical surveys were conducted, and the thermal waters and fumarolic gases were analyzed for major and minor element species and stable isotope composition. (ACR)

Motyka, R.J.; Wescott, E.M.; Turner, D.L.; Swanson, S.E.; Romick, J.D.; Moorman, M.A.; Poreda, R.J.; Witte, W.; Petzinger, B.; Allely, R.D.

1985-01-01T23:59:59.000Z

316

Sensitivity of Low-Level Winds Simulated by the WRF Model in Californias Central Valley to Uncertainties in the Large-Scale Forcing and Soil Initialization  

Science Conference Proceedings (OSTI)

The sensitivity of the Weather and Research Forecasting (WRF) model-simulated low-level winds in the Central Valley (CV) of California to uncertainties in the atmospheric forcing and soil initialization is investigated using scatter diagrams for ...

Sara A. Michelson; Jian-Wen Bao

2008-12-01T23:59:59.000Z

317

Analysis of environmental regulations governing the disposal of geothermal wastes in California  

DOE Green Energy (OSTI)

Federal and California regulations governing the disposal of sludges and liquid wastes associated with the production of electricity from geothermal resources were evaluated. Current disposal practices, near/far term disposal requirements, and the potential for alternate disposal methods or beneficial uses for these materials were determined. 36 refs., 3 figs., 15 tabs. (ACR)

Royce, B.A.

1985-09-01T23:59:59.000Z

318

Tough2/PC application simulation project for Heber geothermal field, California, a progress report  

SciTech Connect

A numerical simulation model for the Heber geothermal field in Southern California is being developed under a technology transfer agreement between the Department of Energy/Lawrence Berkeley National Laboratory (LBNL) and the California Department of Conservation, Division of Oil, Gas, and Geothermal Resources (DOGGR). The main objectives of the cooperation are (1) to train DOGGR personnel in the use of the TOUGH2PC computer code; and (2) to develop a module compatible with TOUGH2 to investigate the effects of production/injection operations on the ground surface subsidence-rebound phenomenon observed in the Heber geothermal field. Initial-state calibration (undisturbed system) runs are being conducted to calibrate the model.

Boardman, Timothy S.; Khan, M. Ali; Antunez, Emilio

1996-01-24T23:59:59.000Z

319

Model Diagnosis of Nighttime Minimum Temperature Warming during Summer due to Irrigation in the California Central Valley  

Science Conference Proceedings (OSTI)

This study examines the mechanisms of nighttime minimum temperature warming in the California Central Valley during summer due to irrigation. The Scripps Experimental Climate Prediction Center (ECPC) Regional Spectral Model (RSM) was used to ...

Hideki Kanamaru; Masao Kanamitsu

2008-10-01T23:59:59.000Z

320

Reflection Survey At Dixie Valley Geothermal Field Area (Blackwell, Et Al.,  

Open Energy Info (EERE)

9) 9) Exploration Activity Details Location Dixie Valley Geothermal Field Area Exploration Technique Reflection Survey Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes "The seismic reflection profiles of the range front structures are difficult to interpret because of he steep dips and 3-d fault zone geometry, in the-classical paper by Okaya and Thompson (1985) the range-bounding fault is not imaged as they proposed. The reflection seismic studies are the most useful of the geophysical techniques also the most expensive. The reflection data are two-dimensional making structural interpretation complicated for the three-dimensional geometry of the basin so that the other structural studied have been critical in correctly interpreting the seismic profiles. There are many

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Reservoir-scale fracture permeability in the Dixie Valley, Nevada, geothermal field  

Science Conference Proceedings (OSTI)

Wellbore image data recorded in six wells penetrating a geothermal reservoir associated with an active normal fault at Dixie Valley, Nevada, were used in conjunction with hydrologic tests and in situ stress measurements to investigate the relationship between reservoir productivity and the contemporary in situ stress field. The analysis of data from wells drilled into productive and non-productive segments of the Stillwater fault zone indicates that fractures must be both optimally oriented and critically stressed to have high measured permeabilities. Fracture permeability in all wells is dominated by a relatively small number of fractures oriented parallel to the local trend of the Stillwater Fault. Fracture geometry may also play a significant role in reservoir productivity. The well-developed populations of low angle fractures present in wells drilled into the producing segment of the fault are not present in the zone where production is not commercially viable.

Barton, C.A.; Zoback, M.D. [Stanford Univ., CA (United States). Dept. of Geophysics; Hickman, S. [Geological Survey, Menlo Park, CA (United States); Morin, R. [Geological Survey, Denver, CO (United States); Benoit, D. [Oxbow Geothermal Corp., Reno, NV (United States)

1998-08-01T23:59:59.000Z

322

Valley Acres, California: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Acres, California: Energy Resources Acres, California: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 35.2060764°, -119.406783° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.2060764,"lon":-119.406783,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

323

Near-Surface CO2 Monitoring And Analysis To Detect Hidden Geothermal Systems  

E-Print Network (OSTI)

dioxide flux at the Dixie Valley geothermal field, Nevada;volcanic system, USA Dixie Valley Geothermal Field, USAProvince system like the Dixie Valley (Nevada) geothermal

Lewicki, Jennifer L.; Oldenburg, Curtis M.

2005-01-01T23:59:59.000Z

324

Project development plan for East Mesa Geothermal Test Center  

DOE Green Energy (OSTI)

Plans for a test facility for geothermal energy systems and components designed for moderate temperature/low salinity geothermal fluids available at the East Mesa site in the Imperial Valley of California are discussed. Details of the following phases of development are given: technical plan; management plan; procurement and contracting plan; technology transfer and utilization plan; and resource requirements. (JGB)

Not Available

1975-03-01T23:59:59.000Z

325

Dixie Valley, Nevada: A promising geothermal area under development by industry  

Science Conference Proceedings (OSTI)

Selected subsurface reservoirs located in the Western United States may contain significant geothermal energy, and if development continues, this energy source may provide substantial electrical power or related energy by the year 2,000. Utility management must be convinced of the reliability and cost attractiveness of this energy source. A number of exploration programs are in progress to evaluate the potential of geothermal energy in the United States. For example, numerous exploration methods have been employed in Dixie Valley, Nevada, since 1967 with mixed results. However, with DOE support, additional data have recently become available. The authors have revised earlier structural models of the basin and have made recommendations for additional investigations that should assist in clarifying the geologic relationships within the reservoir. The principal geologic characteristics of the reservoir that may place limits on project economics appear to be the depth and trend area of producing zones, fluid quality and the amenability of the upper zones to accept large volumes of spent fluids. However, reservoir temperature, flow rates, recharge characteristics, and other factors appear to be acceptable either for electrical power production of more than 1,000 MWe, or for direct applications such as on-site agricultural processing.

Campbell, M.D.

1983-08-01T23:59:59.000Z

326

CO{sub 2} flux measurements across portions of the Dixie Valley geothermal system, Nevada  

DOE Green Energy (OSTI)

A map of the CO{sub 2} flux across a newly formed area of plant kill in the NW part of the Dixie Valley geothermal system was constructed to monitor potential growth of a fumarole field. Flux measurements were recorded using a LI-COR infrared analyzer. Sample locations were restricted to areas within and near the dead zone. The data delineate two areas of high CO{sub 2} flux in different topographic settings. Older fumaroles along the Stillwater range front produce large volumes of CO{sub 2} at high temperatures. High CO{sub 2} flux values were also recorded at sites along a series of recently formed ground fractures at the base of the dead zone. The two areas are connected by a zone of partial plant kill and moderate flux on an alluvial fan. Results from this study indicate a close association between the range front fumaroles and the dead zone fractures. The goals of this study are to characterize recharge to the geothermal system, provide geochemical monitoring of reservoir fluids and to examine the temporal and spatial distribution of the CO{sub 2} flux in the dead zone. This paper reports the results of the initial CO{sub 2} flux measurements taken in October, 1997.

Bergfeld, D.; Goff, F. [Los Alamos National Lab., NM (United States). Earth and Environmental Sciences Div.; Janik, C.J. [Geological Survey, Menlo Park, CA (United States); Johnson, S.D. [Oxbow Power Services, Reno, NV (United States)

1998-12-31T23:59:59.000Z

327

Final Technical Report; Geothermal Resource Evaluation and Definitioni (GRED) Program-Phases I, II, and III for the Animas Valley, NM Geothermal Resource  

DOE Green Energy (OSTI)

This report contains a detailed summary of a methodical and comprehensive assessment of the potential of the Animas Valley, New Mexico geothermal resource leasehold owned by Lightning Dock Geothermal, Inc. Work described herein was completed under the auspices of the Department of Energy (DOE) Cooperative Agreement DE-FC04-00AL66977, Geothermal Resource Evaluation and Definition (GRED) Program, and the work covers the time span from June 2001 through June 2004. Included in this new report are detailed results from the GRED Program, including: geophysical and geochemical surveys, reflection seismic surveys, aeromagnetic surveys, gravity and electrical resistivity surveys, soil thermal ion and soil carbon dioxide flux surveys, four temperature gradient holes, and one deep exploratory well.

Cunniff, Roy A.; Bowers, Roger L.

2005-08-01T23:59:59.000Z

328

Potential of low-temperature geothermal resources in northern California. Report No. TR13  

DOE Green Energy (OSTI)

Economically feasible uses for geothermal heat at temperatures too low for conventional electrical power generation at present are delineated. Several geothermal resource areas in northern California that have development potential are described, and applications of the heat found in each area are suggested. Plates are included of the following field study areas: the east side of the Sierra-Cascade Range north of Bishop, and the northern Coast Range from San Francisco Bay to Clear Lake. The counties included in the study area are Mo doc, Lassen, Sierra, Plumas, Placer, Alpine, Mono, Mendocino, Lake, and Sonoma. (LBS)

Hannah, J.L.

1975-01-01T23:59:59.000Z

329

Geothermal space/water heating for City of Mammoth Lakes, California. Draft final report  

DOE Green Energy (OSTI)

The results of a study to determine the technical, economic and environmental feasibility of geothermal district heating for Mammoth Lakes Village, California are presented. The geothermal district heating system selected is technically feasible and uses existing technology in its design and operation. During a preliminary environmental assessment, no potential adverse environmental impacts could be identified of sufficient consequence to preclude the construction and operation of the proposed district heating system. A follow-on program aimed at implementing district heating in Mammoth is outlined.

Sims, A.V.; Racine, W.C.

1977-09-01T23:59:59.000Z

330

Fault intersections and hybrid transform faults in the southern Salton Trough geothermal area, Baja California, Mexico  

DOE Green Energy (OSTI)

Analysis of 55 wells drilled at the Cerro Prieto Geothermal Field and a suite of geological and geophysical studies throughout the southern Salton Trough from the Mexican-United States border to the Gulf of California clarify two concepts important to geothermal development: (1) increased natural convective fluid flow and better permeability should occur at intersecting faults both regionally and within a producing field, and (2) the Cerro Prieto and Imperial faults are best conceived of as hybrid types having features of both San Andreas style wrench faults and oceanic tranform faults.

Vonder Haar, S.; Puente Cruz, I.

1979-07-01T23:59:59.000Z

331

Geothermal well completions: an overview of existing methods in four types of developments  

DOE Green Energy (OSTI)

Existing practices and capabilities for completing producing and injection wells for geothermal application in each of four categories of geothermal environments are discussed. Included are steam wells in hard, fractured rocks (The Geysers, California), hot water wells in sedimentary formations (Imperial Valley, California), hot, dry impermeable rocks with circulating water systems (Valles Caldera, New Mexico), and geopressured, geothermal water wells with associated hydrocarbon production on the U.S. Gulf Coast.

Snyder, R.E.

1978-01-01T23:59:59.000Z

332

PROCEEDINGS, Thirty-Fourth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, February 9-11, 2009  

E-Print Network (OSTI)

, Stanford, California, February 9-11, 2009 SGP-TR-187 DISTRICT HEATING MODELLING AND SIMULATION Lei Haiyan1 air pollution and save conventional energy, geothermal energy as a heat source for district heating. This paper describes the geothermal resource and district heating system in Tianjin. Heat load for one sample

Stanford University

333

Monitoring natural subsidence and seismicity in the Imperial Valley as a basis for evaluating potential impacts of geothermal production  

DOE Green Energy (OSTI)

Results of work done on potential geologic effects of geothermal development are discussed. The key geological issues in the Imperial Valley are the potential for significant subsidence and seismicity which could be induced by geothermal production. The major technical problem is to develop techniques to distinguish between natural and induced activity. In both subsidence and seismicity studies, the projects augment the existing network to obtain additional information in critical areas; thus, local subsidence detection networks were added to the regional networks. The U.S. Geological Survey seismograph network was augmented to increase sensitivity to small earthquakes near the Salton Sea. Techniques being used and initial results are summarized briefly. (JGB)

Crow, N.B.; Kasamayer, P.W.

1978-04-04T23:59:59.000Z

334

Regulatory, Land Ownership, and Water Availability Factors for a Magma Well: Long Valley Caldera and Coso Hot Springs, California  

DOE Green Energy (OSTI)

The U.S. Department of Energy is currently engaged in a program to demonstrate the engineering feasibility of extracting thermal energy from high-level molten magma bodies. The program is being carried out under the direction of Sandia National Laboratories where a number of individual projects support the overall program. The existing program elements include (1) high-temperature materials compatibility testing; (2) studies of properties of melts of various compositions; and (3) the investigation of the economics of a magma energy extraction system. Another element of the program is being conducted with the cooperation of the U.S. Geological Survey, and involves locating and outlining magma bodies at selected sites using various geophysical techniques. The ultimate goal here will be to define the limits of a magma body as a drilling target. During an earlier phase of the program, more than twenty candidate study sites considered were evaluated based upon: (1) the likelihood of the presence of a shallow magma chamber, (2) the accessibility of the site, and (3) physical and institutional constraints associated with each site with respect to performing long-term experiments. From these early phase activities, the number of candidate sites were eventually narrowed to just 2. The sites currently under consideration are Coso Hot Springs and the Long Valley caldera (Figure 1). This report describes certain attributes of these sites in order to help identify potential problems related to: (1) state and federal regulations pertaining to geothermal development; (2) land ownership; and (3) water resource availability. The information sources used in this study were mainly maps, publications, and informative documents gathered from the California Division of Oil and Gas and the U.S. Department of the Interior. Environmental studies completed for the entire Long Valley caldera study area, and for portions of the Coso Hot Springs study area were also used for reference.

Blackett, Robert

1985-09-01T23:59:59.000Z

335

geothermal_test.cdr  

Office of Legacy Management (LM)

The Bureau of Land Management (BLM) began studies The Bureau of Land Management (BLM) began studies of the geothermal resources of an area known as the East Mesa site in 1968. In 1978, the U.S. Department of Energy (DOE) became the exclusive operator of the site, which was called the Geothermal Test Facility, and negotiated a right-of-way agreement with BLM to operate the facility. Geothermal test activities were discontinued in 1987 as development of commercial- scale geothermal power began to flourish in the region. In 1993, DOE agreed to remediate the site and return it to BLM. The Geothermal Test Facility is an 82-acre site located on the eastern edge of the Imperial Valley in Imperial County, California. The site is 140 miles east of San Diego and 10 miles north of the Mexico border. Topography of the area is generally flat; the site is at

336

geothermal_test.cdr  

NLE Websites -- All DOE Office Websites (Extended Search)

Overview Overview The Bureau of Land Management (BLM) began studies of the geothermal resources of an area known as the East Mesa site in 1968. In 1978, the U.S. Department of Energy (DOE) became the exclusive operator of the site, which was called the Geothermal Test Facility, and negotiated a right-of-way agreement with BLM to operate the facility. Geothermal test activities were discontinued in 1987 as development of commercial- scale geothermal power began to flourish in the region. In 1993, DOE agreed to remediate the site and return it to BLM. The Geothermal Test Facility is an 82-acre site located on the eastern edge of the Imperial Valley in Imperial County, California. The site is 140 miles east of San Diego and 10 miles north of the Mexico border. Topography of the area is generally flat; the site is at an elevation of about 28 feet above sea level. The Salton Sea is approximately 40 miles northwest

337

Gravity and fault structures, Long Valley caldera, California  

DOE Green Energy (OSTI)

The main and catastrophic phase of eruption in Long Valley occurred 0.73 m.y. ago with the eruption of over 600 km/sup 3/ of rhyolitic magma. Subsequent collapse of the roof rocks produced a caldera which is now elliptical in shape, 32 km east-west by 17 km north-south. The caldera, like other large Quarternary silicic ash-flow volcanoes that have been studied by various workers, has a nearly coincident Bouguer gravity low. Earlier interpretations of the gravity anomaly have attributed the entire anomaly to lower density rocks filling the collapsed structure. However, on the basis of many additional gravity stations and supporting subsurface data from several new holes, a much more complex and accurate picture has emerged of caldera structure. From a three-dimensional inversion of the residual Bouguer gravity data we can resolve discontinuities that seem to correlate with extensions of pre-caldera faults into the caldera and faults associated with the ring fracture. Some of these faults are believed related to the present-day hydrothermal upflow zone and the zone of youngest volcanic activity within the caldera.

Carle, S.F.; Goldstein, N.E.

1987-07-01T23:59:59.000Z

338

The Impact of Injection on Seismicity at The Geyses, CaliforniaGeothermal Field  

DOE Green Energy (OSTI)

Water injection into geothermal systems has often become arequired strategy to extended and sustain production of geothermalresources. To reduce a trend of declining pressures and increasingnon-condensable gas concentrations in steam produced from The Geysers,operators have been injecting steam condensate, local rain and streamwaters, and most recently treated wastewater piped to the field fromneighboring communities. If geothermal energy is to provide a significantincrease in energy in the United States (US Department of Energy (DOE)goal is 40,000 megawatts by 2040), injection must play a larger role inthe overall strategy, i.e., enhanced geothermal systems, (EGS). Presentedin this paper are the results of monitoring microseismicity during anincrease in injection at The Geysers field in California using data froma high-density digital microearthquake array. Although seismicity hasincreased due to increased injection it has been found to be somewhatpredicable, thus implying that intelligent injection control may be ableto control large increases in seismicity.

Majer, Ernest L.; Peterson, John E.

2006-09-25T23:59:59.000Z

339

Northern California Power Association--Shell Oil Company Geothermal Project No. 2: energy and materials resources  

DOE Green Energy (OSTI)

The potential environmental impact of the energy and material resources expended in site preparation, construction, operation, maintenance, and abandonment of all phases of the Northern California Power Association--Shell Geothermal Project in The Geysers--Calistoga Known Geothermal Resource Area is described. The impact of well field development, operation, and abandonment is insignificant, with the possible exception of geothermal resource depletion due to steam withdrawal from supply wells during operation. The amount of resource renewal that may be possible through reinjection is unknown because of uncertainties in the exact amount of heat available in the steam supply field. Material resources to be used in construction, operation, and abandonment of the power plant and transmission lines are described. Proposed measures to mitigate the environmental impacts from the use of these resources are included. Electric power supply and demand forecasts to the year 2005 are described for the area served by the NCPA.

Hall, C.H.; Ricker, Y.E.

1979-01-01T23:59:59.000Z

340

Integrated exploration for low-temperature geothermal resources in the Honey Lake basin, California  

Science Conference Proceedings (OSTI)

An integrated exploration study is presented to locate low-temperature geothermal reservoirs in the Honey Lake area of northern California. Regional studies to locate the geothermal resources included gravity, infrared, water-temperature, and water-quality analyses. Five anomalies were mapped from resistivity surveys. Additional study of three anomalies by temperature-gradient and seismic methods was undertaken to define structure and potential of the geothermal resource. The gravity data show a graben structure in the area. Seismic reflection data, indicate faults associated with surface-resistivity and temperature-gradient data. The data support the interpretation that the shallow reservoirs are replenished along the fault zones by deeply circulating heated meteoric waters.

Schimschal, U. (U.S. Geological Survey, Denver, CO (US))

1991-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Seismicity and seismic stress in the Coso Range, Coso geothermal field, and  

Open Energy Info (EERE)

Seismicity and seismic stress in the Coso Range, Coso geothermal field, and Seismicity and seismic stress in the Coso Range, Coso geothermal field, and Indian Wells Valley region, Southeast-Central California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Book: Seismicity and seismic stress in the Coso Range, Coso geothermal field, and Indian Wells Valley region, Southeast-Central California Details Activities (1) Areas (1) Regions (0) Abstract: The temporal and spatial distribution of seismicity in the Coso Range, the Coso geothermal field, and the Indian Wells Valley region of southeast-central California are discussed in this paper. An analysis of fault-related seismicity in the region led us to conclude that the Little Lake fault and the Airport Lake fault are the most significant seismogenic zones. The faulting pattern clearly demarcates the region as a transition

342

Preliminary design manual for a Geothermal Demonstration Plant at Heber, California  

DOE Green Energy (OSTI)

A preliminary design of a 50 MWe Geothermal Demonstration Plant for Heber, California is presented. A site description, design basis, process design, trade-off studies to optimize plant operations, and an economic analysis of the plant are included. The plant design provides flow diagrams and equipment specifications for the energy conversion system, the cooling water system, the plant and instrument air system, the flare system, the firewater system, the electrical system, the piping system, instruments and controls, and buildings and structures.

Holt, B.; Ghormley, E.L.

1978-02-01T23:59:59.000Z

343

Geothermal Advisory Committee to California State Energy Resources Development and Conservation Commission. Final report  

DOE Green Energy (OSTI)

The following are included: membership of the Geothermal Advisory Committee to the California Energy Commission, April 1978 to January 1979; discussion of committee value to commission and participants; benefits to commission in extending committee through 1979; final report preparation; commission requesting recommendations; committee recommendations for commission priorities; committee recommendations for commission policies; comments on direct-heat, on-site, and small scale generation, and Geysers counties land use concerns; and sample procedures submitted by Imperial County. (MHR)

Not Available

1979-01-01T23:59:59.000Z

344

SUBSIDENCE DUE TO GEOTHERMAL FLUID WITHDRAWAL  

E-Print Network (OSTI)

on the Cerro Prieto Geothermal Field, Baja California,monitoring at the Geysers Geothermal Field, California,~~W. and Faust, C. R. , 1979, Geothermal resource simulation:

Narasimhan, T.N.

2013-01-01T23:59:59.000Z

345

Geothermal direct-heat study: Imperial County, California  

DOE Green Energy (OSTI)

Potential applications of geothermal energy which would be compatible with the agricultural activities in the county were identified and a plan to attract potential users to the area was developed. The intent of the first effort was to identify general classifications of industries which could utilize geothermal heat in production processes. Two levels of analyses were utilized for this effort. Initially, activities relying on previously developed engineering and industrial concepts were investigated to determine capital costs, employment, and potential energy savings. Second, innovative concepts not yet fully developed were investigated to determine their potential applicability to the agricultural base of the county. These investigations indicated that the major potential applications of geothermal heat would involve industries related to food processing or other direct agriculture-related uses of raw materials produced or imported to the county. An implementation plan which can be utilized by the county to market direct heat applications was developed. A socioeconomics analysis examined the potential effects on the county from development of direct heat projects. The county's planning and permitting requirements for dirct heat projects were also examined.

Not Available

1983-05-01T23:59:59.000Z

346

Utility of drill-stem tests in determination of the geothermal regime of Railroad Valley, Nye County, Nevada  

Science Conference Proceedings (OSTI)

Accurate representation of geothermal conditions is necessary to determine generation potential of source rocks buried in Railroad Valley. Boreholes, provide the best source of geothermal information, but formation temperature data must be screened for variations caused by drilling. Bottomhole temperatures from wireline logs are affected by initial formation conditions, drilling fluid that moves into the formation while drilling, and lag time between cessation of drilling fluid circulation and acquisition of logs. More accurate indicators of formation conditions are temperatures recorded during drill-stem tests, especially for tests that recovered large amounts of fluid. Over 130 drill-stem tests were examined to establish the viability of this source of data and to determine the geothermal conditions of the Railroad Valley basin. Results indicate that 500 feet or more of fluid recovery on a test is necessary to get a temperature recorded that is not influenced by drilling perturbations. The formation temperature data collected for Railroad Valley indicate the possibility of 2 thermal regimes. A low-temperature gradient regime is probably influenced by meteoric water. The high-temperature gradient regime probably reflects the regional heat flow associated with the thin crust of the Great Basin.

French, D.E. [Independent Geologist, Billings, MT (United States)

1995-06-01T23:59:59.000Z

347

Stragegies to Detect Hidden Geothermal Systems Based on Monitoring and Analysis of CO2 in the Near-Surface Environment  

E-Print Network (OSTI)

dioxide flux at the Dixie Valley geothermal field, Nevada;volcanic system, USA Dixie Valley Geothermal Field, USAProvince system like the Dixie Valley (Nevada) geothermal

Lewicki, Jennifer L.; Oldenburg, Curtis M.

2008-01-01T23:59:59.000Z

348

Geothermal development and land use/energy planning by the State of California and its political subdivisions  

DOE Green Energy (OSTI)

The mechanisms in California law for the implementation of geothermal planning and their impacts are examined, first, at the State level upon the California Energy Commission and the Division of Oil and Gas in the Department of Conservation. Next, after some background on county planning in California, the unique situation in the counties of greatest geothermal potential is discussed. These include: Imperial County and the four Geysers Counties (Sonoma, Napa, Mendocino, and Lake), as well as their joint powers agency - G.R.I.P.S. (MHR)

Not Available

1978-07-30T23:59:59.000Z

349

Honey Lake hybrid geothermal wood residue power plant, Lassen County, California  

DOE Green Energy (OSTI)

The feasibility of a proposed 50 MW (gross) electric power project located near Wendel, California about 25 miles east of Susanville was studied. The project would be the first commercial power plant to combine the use of geothermal energy and wood fuel for power production. Wood fuel consisting primarily of various forms of forest management residues would be processed and partially dehydrated with geothermal energy prior to combustion. Geothermal energy would also be used for boiler feedwater heating and combustion air preheating. The study defines the range of site-specific benefits and economics of using wood fuel and moderate temperature geothermal energy, both of which are abundant and often located in proximity at many locations in the western United States. The study results document conclusively that overall project economics can be very favorable and that in addition to providing an important source of electric power, many benefits to forest land managers, local communities, project developers and the state of the environment can be derived from the combined use of moderate temperature geothermal energy and wood fuel.

Not Available

1982-06-01T23:59:59.000Z

350

Reconnaissance of geothermal resources of Los Angeles County, California  

DOE Green Energy (OSTI)

Thermal waters produced from large oil fields are currently the most important geothermal resources in Los Angeles County. Otherwise, the County does not appear to have any large, near-surface geothermal resources. The oil fields produce thermal water because of both the moderate depths of production and normal to above-normal geothermal gradients. Gradients are about 3.0-3.5/sup 0/C/100 meters in the Ventura Basin and range from that up to about 5.5-6.0/sup 0/C/100 meters in the Los Angeles Basin. The hottest fields in the County are west of the Newport-Inglewood Structural Zone. The Los Angeles Basin has substantially more potential for uses of heat from oil fields than does the Ventura Basin because of its large fields and dense urban development. Produced fluid temperatures there range from ambient air to boiling, but most are in the 100-150/sup 0/F range. Daily water production ranges from only a few barrels at some fields to over a million barrels at Wilmington Oil Field; nearly all fields produce less than 50,000 barrels/day. Water salinity generally ranges from about 15,000-35,000 mg/liter NaCl. Fields with the most promise as sources of heat for outside applications are Wilmington, Torrance, Venice Beach, and Lawndale. The centralized treatment facilities are the most favorable sites for extraction of heat within the oil fields. Because of the poor water quality heat exchangers will likely be required rather than direct circulation of the field water to users. The best sites for applications are commercial-industrial areas and possibly institutional structures occupied by large numbers of people.

Higgins, C.T.

1981-01-01T23:59:59.000Z

351

Inversion of Synthetic Aperture Radar Interferograms for Sources of Production-Related Subsidence at the Dixie Valley Geothermal Field  

DOE Green Energy (OSTI)

We used synthetic aperture radar interferograms to image ground subsidence that occurred over the Dixie Valley geothermal field during different time intervals between 1992 and 1997. Linear elastic inversion of the subsidence that occurred between April, 1996 and March, 1997 revealed that the dominant sources of deformation during this time period were large changes in fluid volumes at shallow depths within the valley fill above the reservoir. The distributions of subsidence and subsurface volume change support a model in which reduction in pressure and volume of hot water discharging into the valley fill from localized upflow along the Stillwater range frontal fault is caused by drawdown within the upflow zone resulting from geothermal production. Our results also suggest that an additional source of fluid volume reduction in the shallow valley fill might be similar drawdown within piedmont fault zones. Shallow groundwater flow in the vicinity of the field appears to be controlled on the NW by a mapped fault and to the SW by a lineament of as yet unknown origin.

Foxall, W; Vasco, D

2003-02-07T23:59:59.000Z

352

Geothermal energy: opportunities for California commerce. Final report  

DOE Green Energy (OSTI)

This report provides a preliminary engineering and economic assessment of five direct use projects using low and moderate temperature geothermal resources. Each project site and end-use application was selected because each has a high potential for successful, near-term (2 to 5 years) commercial development. The report also includes an extensive bibliography, and reference and contact lists. The five projects are: Wendel Agricultural Complex, East Mesa Livestock Complex, East Mesa Vegetable Dehydration Facility, Calapatria Heating District and Bridgeport Heating District. The projects involve actual investors, resource owners, and operators with varying financial commitments for project development. For each project, an implementation plan is defined which identifies major barriers to development and methods to overcome them. All projects were determined to be potentially feasible. Three of the projects cascade heat from a small-scale electric generator to direct use applications. Small-scale electric generation technology (especially in the 0.5 to 3 MW range) has recently evolved to such a degree as to warrant serious consideration. These systems provide a year-round heating load and substantially improve the economic feasibility of most direct use energy projects using geothermal resources above 200/sup 0/F.

Not Available

1982-08-01T23:59:59.000Z

353

Low-temperature geothermal assessment of the Santa Clara and Virgin River Valleys, Washington County, Utah  

DOE Green Energy (OSTI)

Exploration techniques included the following: (1) a temperature survey of springs, (2) chemical analyses and calculated geothermometer temperatures of water samples collected from selected springs and wells, (3) chemical analyses and calculated geothermometer temperatures of spring and well water samples in the literature, (4) thermal gradients measured in accessible wells, and (5) geology. The highest water temperature recorded in the St. George basin is 42/sup 0/C at Pah Tempe Hot Springs. Additional spring temperatures higher than 20/sup 0/C are at Veyo Hot Spring, Washington hot pot, and Green Spring. The warmest well water in the study area is 40/sup 0/C in Middleton Wash. Additional warm well water (higher than 24.5/sup 0/C) is present north of St. George, north of Washington, southeast of St. George, and in Dameron Valley. The majority of the Na-K-Ca calculated reservoir temperatures range between 30/sup 0/ and 50/sup 0/C. Anomalous geothermometer temperatures were calculated for water from Pah Tempe and a number of locations in St. George and vicinity. In addition to the known thermal areas of Pah Tempe and Veyo Hot Spring, an area north of Washington and St. George is delineated in this study to have possible low-temperature geothermal potential.

Budding, K.E.; Sommer, S.N.

1986-01-01T23:59:59.000Z

354

List of Geothermal Facilities | Open Energy Information  

Open Energy Info (EERE)

Facilities Facilities Jump to: navigation, search Facility Location Owner Aidlin Geothermal Facility Geysers Geothermal Area Calpine Amedee Geothermal Facility Honey Lake, California Amedee Geothermal Venture BLM Geothermal Facility Coso Junction, California, Coso Operating Co. Bear Canyon Geothermal Facility Clear Lake, California, Calpine Beowawe Geothermal Facility Beowawe, Nevada Beowawe Power LLC Big Geysers Geothermal Facility Clear Lake, California Calpine Blundell 1 Geothermal Facility Milford, Utah PacificCorp Energy Blundell 2 Geothermal Facility Milford, Utah PacificCorp Brady Hot Springs I Geothermal Facility Churchill, Nevada Ormat Technologies Inc CE Turbo Geothermal Facility Calipatria, California CalEnergy Generation Calistoga Geothermal Facility The Geysers, California Calpine

355

Geothermal Energy Resource Investigations, Chocolate Mountains Aerial  

Open Energy Info (EERE)

Investigations, Chocolate Mountains Aerial Investigations, Chocolate Mountains Aerial Gunnery Range, Imperial Valley, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Geothermal Energy Resource Investigations, Chocolate Mountains Aerial Gunnery Range, Imperial Valley, California Details Activities (5) Areas (1) Regions (0) Abstract: The US Navy's Geothermal Program Office (GPO), has conducted geothermal exploration in the Chocolate Mountains Aerial Gunnery Range (CMAGR) since the mid-1970s. At this time, the focus of the GPO had been on the area to the east of the Hot Mineral Spa KGRA, Glamis and areas within the Chocolate Mountains themselves. Using potential field geophysics, mercury surveys and geologic mapping to identify potential anomalies related to recent hydrothermal activity. After a brief hiatus starting in

356

Heat flow and hot dry rock geothermal resources of the Clearlake Region, northern California  

DOE Green Energy (OSTI)

The Geysers-Clear Lake geothermal anomaly is an area of high heat flow in northern California. The anomaly is caused by abnormally high heat flows generated by asthenospheric uplift and basaltic magmatic underplating at a slabless window created by passage of the Mendocino Triple Junction. The Clear Lake volcanic field is underlain by magmatic igneous bodies in the form of a stack of sill-form intrusions with silicic bodies generally at the top and basic magmas at the bottom. The tabular shape and wide areal extent of the heat sources results in linear temperature gradients and near-horizontal isotherms in a broad region at the center of the geothermal anomaly. The Hot Dry Rock (HDR) portion of The Geysers-Clear Lake geothermal field is that part of the geothermal anomaly that is external to the steamfield, bounded by geothermal gradients of 167 mW/m2 (4 heat flow units-hfu) and 335 mW/m2 (8 hfu). The HDR resources, to a depth of 5 km, were estimated by piece-wise linear summation based on a sketch map of the heat flow. Approximately, the geothermal {open_quotes}accessible resource base{close_quotes} (Qa) is 1.68E+21 J; the {open_quotes}HDR resource base{close_quotes} (Qha) is 1.39E+21 J; and the {open_quotes}HDR power production resource{close_quotes} (Qhp) is 1.01E+21 J. The HDR power production resource (Qhp) is equivalent to 2.78E+ 11 Mwht (megawatt hours thermal), or 1.72E+11 bbls of oil.

Burns, K.L.

1996-08-01T23:59:59.000Z

357

Sonoma State Hospital, Eldridge, California, geothermal-heating system: conceptual design and economic feasibility report  

DOE Green Energy (OSTI)

The Sonoma State Mental Hospital, located in Eldridge, California, is presently equipped with a central gas-fired steam system that meets the space heating, domestic hot water, and other heating needs of the hospital. This system is a major consumer of natural gas - estimated at 259,994,000 cubic feet per year under average conditions. At the 1981 unit gas rate of $0.4608 per therm, an average of $1,258,000 per year is required to operate the steam heating system. The hospital is located in an area with considerable geothermal resources as evidenced by a number of nearby hot springs resorts. A private developer is currently investigating the feasibility of utilizing geothermally heated steam to generate electricity for sale to the Pacific Gas and Electric Company. The developer has proposed to sell the byproduct condensed steam to the hospital, which would use the heat energy remaining in the condensate for its own heating needs and thereby reduce the fossil fuel energy demand of the existing steam heating system. The geothermal heating system developed is capable of displacing an estimated 70 percent of the existing natural gas consumption of the steam heating system. Construction of the geothermal fluid distribution and collection system and the retrofits required within the buildings are estimated to cost $1,777,000. Annual expenses (operation and maintenance, insurance, and geothermal fluid purchase) have been estimated to be $40,380 per year in 1981 dollars. The proposed geothermal heating system could then be completely paid for in 32 months by the savings in natural gas purchases that would result.

Not Available

1982-02-01T23:59:59.000Z

358

Geothermal overviews of the western United States  

DOE Green Energy (OSTI)

This compendium presents data on geothermal resources for all those western states with geothermal potential. Individual sections, which have been processed separately for inclusion in the EDB data base, are devoted to each of the following states: Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. A separate section is also devoted to the U.S. Bureau of Reclamation Imperial Valley Project. Maps and references are included for each section. (JGB)

Anderson, D.N.; Axtell, L.H. (comps.)

1972-01-01T23:59:59.000Z

359

Heat flow and microearthquake studies, Coso Geothermal Area, China Lake, California. Final report  

DOE Green Energy (OSTI)

The present research effort at the Coso Geothermal Area located on the China Lake Naval Weapons Center, China Lake, California, was concerned with: (1) heat flow studies and (2) microearthquake studies associated with the geothermal phenomena in the Coso Hot Springs area. The sites for ten heat flow boreholes were located primarily using the available seismic ground noise and electrical resistivity data. Difficulty was encountered in the drilling of all of the holes due to altered, porous, faulted, and sometime highly fractures zones. Thermal conductivity measurements were completed using both the needle probe technique and the divided bar apparatus with a cell arrangement. Heat flow values were obtaned by combining equilibrium temperature measurements with the appropriate thermal conductivity values. Heat, in the upper few hundred meters of the subsurface associated with the Coso Geothermal Area, is being transferred by a conductive heat transfer mechanism with a value of approximately 15 ..mu..cal/cm/sup 2/-sec. This is typical of geothermal systems throughout the world and is approximately ten times the normal terrestrial heat flow of 1.5 HFU. The background heat flow for the Coso region is about 3.5 HFU.

Combs, J.

1975-01-01T23:59:59.000Z

360

NREL: Learning - Geothermal Electricity Production  

NLE Websites -- All DOE Office Websites (Extended Search)

Electricity Production Electricity Production Photo of a geothermal power plant. This geothermal power plant generates electricity for the Imperial Valley in California. Geothermal power plants use steam produced from reservoirs of hot water found a few miles or more below the Earth's surface to produce electricity. The steam rotates a turbine that activates a generator, which produces electricity. There are three types of geothermal power plants: dry steam, flash steam, and binary cycle. Dry Steam Dry steam power plants draw from underground resources of steam. The steam is piped directly from underground wells to the power plant where it is directed into a turbine/generator unit. There are only two known underground resources of steam in the United States: The Geysers in northern California and Yellowstone National Park in Wyoming, where there's

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361

Geothermal Project Data and Personnel Resumes  

SciTech Connect

Rogers Engineering Co., Inc. is one of the original engineering companies in the US to become involved in geothermal well testing and design of geothermal power plants. Rogers geothermal energy development activities began almost twenty years ago with flow testing of the O'Neill well in Imperial Valley, California and well tests at Tiwi in the Philippines; a geothermal project for the Commission on Volcanology, Republic of the Philippines, and preparation of a feasibility study on the use of geothermal hot water for electric power generation at Casa Diablo, a geothermal area near Mammouth. This report has brief write-ups of recent geothermal resources development and power plant consulting engineering projects undertaken by Rogers in the US and abroad.

1980-01-01T23:59:59.000Z

362

Geothermal Project Data and Personnel Resumes  

DOE Green Energy (OSTI)

Rogers Engineering Co., Inc. is one of the original engineering companies in the US to become involved in geothermal well testing and design of geothermal power plants. Rogers geothermal energy development activities began almost twenty years ago with flow testing of the O'Neill well in Imperial Valley, California and well tests at Tiwi in the Philippines; a geothermal project for the Commission on Volcanology, Republic of the Philippines, and preparation of a feasibility study on the use of geothermal hot water for electric power generation at Casa Diablo, a geothermal area near Mammouth. This report has brief write-ups of recent geothermal resources development and power plant consulting engineering projects undertaken by Rogers in the US and abroad.

None

1980-01-01T23:59:59.000Z

363

Geothermal energy at Long Beach Naval Shipyard and Naval Station and at Seal Beach Naval Weapons Station, California. Final report  

DOE Green Energy (OSTI)

The purpose of this project was to determine and evaluate sources of geothermal energy at two military bases in southern California, the Long Beach Naval Shipyard and Naval Station and the Seal Beach Naval Weapons Station. One part of the project focused on the natural geothermal characteristics beneath the naval bases. Another part focused on the geothermal energy produced by oilfield operations on and adjacent to each base. Results of the study are presented here for the US Department of the Navy to use in its program to reduce its reliance on petrolem by the development of different sources of energy. The study was accomplished under a cooperative agreement between the US Department of Energy's San Francisco Operations Office and the Department of the Navy's Naval Weapons Center, China Lake, California, for joint research and development of geothermal energy at military installations.

Higgins, C.T.; Chapman, R.H.

1984-01-01T23:59:59.000Z

364

Tectonic controls on fracture permeability in a geothermal reservoir at Dixie Valley, Nevada  

DOE Green Energy (OSTI)

To help determine the nature and origins of permeability variations within a fault-hosted geothermal reservoir at Dixie Valley, Nevada, the authors conducted borehole televiewer logging and hydraulic fracturing stress measurements in six wells drilled into the Stillwater fault zone at depths of 2--3 km. Televiewer logs from wells penetrating the highly permeable portion of the fault zone revealed extensive drilling-induced tensile fractures. As the Stillwater fault at this location dips S45{degree}E at {approximately} 53{degree} it is nearly at the optimal orientation for normal faulting in the current stress field. Hydraulic fracturing tests from these permeable wells show that the magnitude of S{sub hmin} is very low relative to the vertical stress S{sub v}. Similar measurements conducted in two wells penetrating a relatively impermeable segment of the Stillwater fault zone 8 and 20 km southwest of the producing geothermal reservoir indicate that the orientation of S{sub hmin} is S20{degree}E and S41{degree}E, respectively, with S{sub hmin}/S{sub v} ranging from 0.55--0.64 at depths of 1.9--2.2 km. This stress orientation is near optimal for normal faulting on the Stillwater fault in the northernmost non-producing well, but {approximately} 40{degree} rotated from the optimal orientation for normal faulting in the southernmost well. The observation that borehole breakouts were present in these nonproducing wells, but absent in wells drilled into the permeable main reservoir, indicates a significant increase in the magnitude of maximum horizontal principal stress, S{sub Hmax}, in going from the producing to non-producing segments of the fault. The increase in S{sub Hmaz}, coupled with elevated S{sub hmin}/S{sub v} values and a misorientation of the Stillwater fault zone with respect to the principal stress directions, leads to a decrease in the proximity of the fault zone to Coulomb failure. This suggests that a necessary condition for high reservoir permeability is that the Stillwater fault zone be critically stressed for frictional failure in the current stress field.

Hickman, S. [Geological Survey, Menlo Park, CA (United States); Zoback, M. [Stanford Univ., CA (United States). Dept. of Geophysics

1998-08-01T23:59:59.000Z

365

Energy Basics: Geothermal Electricity Production  

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

EERE: Energy Basics Geothermal Electricity Production A photo of steam emanating from geothermal power plants at The Geysers in California. Geothermal energy originates from deep...

366

Facilities for utilization of geothermal steam, Verdant Vales School, Middletown, California  

SciTech Connect

Verdant Vales School is a boarding school and summer camp located in the Geysers - Calistoga KGRA near Middletown, California. The school consists of dormitories, classrooms and related facilities to accommodate a maximum of 55 students and a staff of 5. Energy for heating buildings and domestic hot water, is provided by electricity supplied by Pacific Gas and Electric Company. In addition, a considerable amount of LPG is consumed to heat the swimming pool and the hot water required for the automatic dishwasher in the kitchen. The school has 3000 pounds per hour of 150 psig steam available at no cost from an existing geothermal well adjacent to the school site. A preliminary design of a system has been developed that utilizes the geothermal steam to eliminate the school's LPG requirement, and minimizes outside purchases of electricity for space and water heating. Savings have been developed, and material costs for the new facilities have been estimated.

1979-01-01T23:59:59.000Z

367

Facilities for utilization of geothermal steam, Verdant Vales School, Middletown, California  

DOE Green Energy (OSTI)

Verdant Vales School is a boarding school and summer camp located in the Geysers - Calistoga KGRA near Middletown, California. The school consists of dormitories, classrooms and related facilities to accommodate a maximum of 55 students and a staff of 5. Energy for heating buildings and domestic hot water, is provided by electricity supplied by Pacific Gas and Electric Company. In addition, a considerable amount of LPG is consumed to heat the swimming pool and the hot water required for the automatic dishwasher in the kitchen. The school has 3000 pounds per hour of 150 psig steam available at no cost from an existing geothermal well adjacent to the school site. A preliminary design of a system has been developed that utilizes the geothermal steam to eliminate the school's LPG requirement, and minimizes outside purchases of electricity for space and water heating. Savings have been developed, and material costs for the new facilities have been estimated.

Not Available

1979-01-01T23:59:59.000Z

368

Analysis of Injection-Induced Micro-Earthquakes in a Geothermal Steam Reservoir, The Geysers Geothermal Field, California  

E-Print Network (OSTI)

Earthquakes in a Geothermal Steam Reservoir, The Geysersanalysis of the geothermal steam production and cold waterAs a result of high rate of steam withdrawal, the reservoir

Rutqvist, J.

2008-01-01T23:59:59.000Z

369

Some issues regarding regulatory policy, political participation, and social implications of geothermal resource development in the Imperial Valley  

DOE Green Energy (OSTI)

The early stages of geothermal resource development in the Imperial Valley have been characterized by an emphasis on the technological expertise of private developers and government officials. Government officials have created a complex array of Federal, state and county regulations to monitor the development. Local control is under the jurisdiction of the Imperial County government. The County has as its responsibility the protection of the general welfare of its residents, including any potentially adverse social, economic, or environmental impacts caused by geothermal resource development. Private developers and government officials are interested in the resources as a source of water desalination and electric power generation. An assessment of the interests and concerns of the public was made early in the development stage. In view of all these interests, it is essential in a democratic society that the various interests be identified so government can be representative of, and responsive to, those interests. Therefore, the four issues discussed in the paper are: (1) regulatory problems faced by local government officials in determining the course of development; (2) the social and political context in which the development is taking place; (3) the potential of geothermal development as perceived by community leaders and local government officials; and (4) the desirability of expanding citizen participation in geothermal decision-makingduring a period in which, as public opinion polls indicated, many citizens feel separated from government actions which may significantly affect their lives. Recommendations for regulations of geothermal resources and recommendations for improving public input into geothermal regulation are summarized in depth. (MCW)

Green, P.S.; Steinberger, M.F.

1976-02-01T23:59:59.000Z

370

Fracture Permeability and in Situ Stress in the Dixie Valley, Nevada, Geothermal Reservoir  

DOE Green Energy (OSTI)

We have collected and analyzed fracture and fluid flow data from wells both within and outside the producing geothermal reservoir at Dixie Valley. Data from wellbore imaging and flow tests in wells outside the producing field that are not sufficiently hydraulically connected to the reservoir to be of commercial value provide both the necessary control group of fracture populations and an opportunity to test the concepts proposed in this study on a regional, whole-reservoir scale. Results of our analysis indicate that fracture zones with high measured permeabilities within the producing segment of the fault are parallel to the local trend of the Stillwater fault and are optimally oriented and critically stressed for frictional failure in the overall east-southeast extensional stress regime measured at the site. In contrast, in the non-producing (i.e., relatively impermeable:) well 66-21 the higher ratio of S{sub hmin} to S{sub v} acts to decrease the shear stress available to drive fault slip. Thus, although many of the fractures at this site (like the Stillwater fault itself) are optimally oriented for normal faulting they are not critically stressed for frictional failure. Although some of the fractures observed in the non-producing well 45-14 are critically stressed for frictional failure, the Stillwater fault zone itself is frictionally stable. Thus, the high horizontal differential stress (i.e., S{sub Hmax}-S{sub hmin}) together with the severe misorientation of the Stillwater fault zone for normal faulting at this location appear to dominate the overall potential for fluid flow.

M. D. Zoback

1999-03-08T23:59:59.000Z

371

California geothermal resource development environmental implications for ERCDC Environmental Analysis Office. Final report  

DOE Green Energy (OSTI)

The results of an analysis of the environmental implications for ERCDC Environmental Analysis Office (EAO) in relation to the development of California's geothermal resources are reported. While focusing primarily on environmental implications, particularly the natural, social, and economic elements, the report includes some ERCDC-wide policy and program considerations. The primary thrusts of the work have been in the development of an understanding of the interagency and intergovernmental environmental data and data-management roles and responsibilities and in the formulation of recommendations related thereto. Five appendices are included, one of which is a tax credit agreement between a power company and Skagit County, Washington. (JGB)

Roberts, J.A.

1977-02-01T23:59:59.000Z

372

Geothermal space/water heating for Mammoth Lakes Village, California. Quarterly technical progress report, September 13-December 12, 1976  

SciTech Connect

During the first three months of this one-year study to determine the technical, economic and environmental feasibility of heating the town of Mammoth Lakes, California using geothermal energy, the following work was completed. Literature concerning both geothermal and conventional hydronic heating systems was reviewed and put on file. Estimates were prepared for the monthly electrical energy consumption and peak electrical demand for space and water heating in Mammoth Lakes Village in 1980. An analysis of the energy potential of the Casa Diablo geothermal reservoir was completed. Discussions were held with US Forest Service and Mammoth County Water District employees, to obtain their input to the feasibility study.

Sims, A.V.; Racine, W.C.

1976-12-12T23:59:59.000Z

373

Evaluation of low-temperature geothermal potential in Utah and Goshen Valleys and adjacent areas, Utah. Part I. Gravity survey  

DOE Green Energy (OSTI)

During 1980 and 1981 a total of 569 new gravity stations were taken in Utah and Goshen Valleys and adjacent areas, Utah. The new stations were combined with 530 other gravity stations taken in previous surveys which resulted in a compilation of 1099 stations which were used in this study. The additional surveys were undertaken to assist in the evaluation of the area for the possible development of geothermal resources by providing an interpreted structural framework by delineating faults, structural trends, intrusions, thickness of valley fill, and increased density of host rock. The gravity data are presented as (1) a complete Bouguer gravity anomaly map with a 2 mgal contour interval on a scale of 1:100,000 and (2) five generally east-trending gravity profiles. A geologic interpretation of the study area was made from the gravity map and from the interpretive geologic cross sections which were modeled along the gravity profiles.

Davis, D.A.; Cook, K.L.

1983-04-01T23:59:59.000Z

374

Hyperspectral Mineral Mapping in Support of Geothermal Exploration: Examples from Long Valley Caldera, CA and Dixie Valley, NV, USA  

SciTech Connect

Growing interest and exploration dollars within the geothermal sector have paved the way for increasingly sophisticated suites of geophysical and geochemical tools and methodologies. The efforts to characterize and assess known geothermal fields and find new, previously unknown resources has been aided by the advent of higher spatial resolution airborne geophysics (e.g. aeromagnetics), development of new seismic processing techniques, and the genesis of modern multi-dimensional fluid flow and structural modeling algorithms, just to name a few. One of the newest techniques on the scene, is hyperspectral imaging. Really an optical analytical geochemical tool, hyperspectral imagers (or imaging spectrometers as they are also called), are generally flown at medium to high altitudes aboard mid-sized aircraft and much in the same way more familiar geophysics are flown. The hyperspectral data records a continuous spatial record of the earth's surface, as well as measuring a continuous spectral record of reflected sunlight or emitted thermal radiation. This high fidelity, uninterrupted spatial and spectral record allows for accurate material distribution mapping and quantitative identification at the pixel to sub-pixel level. In volcanic/geothermal regions, this capability translates to synoptic, high spatial resolution, large-area mineral maps generated at time scales conducive to both the faster pace of the exploration and drilling managers, as well as to the slower pace of geologists and other researchers trying to understand the geothermal system over the long run.

Pickles, W L; Martini, B A; Silver, E A; Cocks, P A

2004-03-03T23:59:59.000Z

375

Hyperspectral Mineral Mapping in Support of Geothermal Exploration: Examples from Long Valley Caldera, CA and Dixie Valley, NV, USA  

SciTech Connect

Growing interest and exploration dollars within the geothermal sector have paved the way for increasingly sophisticated suites of geophysical and geochemical tools and methodologies. The efforts to characterize and assess known geothermal fields and find new, previously unknown resources has been aided by the advent of higher spatial resolution airborne geophysics (e.g. aeromagnetics), development of new seismic processing techniques, and the genesis of modern multi-dimensional fluid flow and structural modeling algorithms, just to name a few. One of the newest techniques on the scene, is hyperspectral imaging. Really an optical analytical geochemical tool, hyperspectral imagers (or imaging spectrometers as they are also called), are generally flown at medium to high altitudes aboard mid-sized aircraft and much in the same way more familiar geophysics are flown. The hyperspectral data records a continuous spatial record of the earth's surface, as well as measuring a continuous spectral record of reflected sunlight or emitted thermal radiation. This high fidelity, uninterrupted spatial and spectral record allows for accurate material distribution mapping and quantitative identification at the pixel to sub-pixel level. In volcanic/geothermal regions, this capability translates to synoptic, high spatial resolution, large-area mineral maps generated at time scales conducive to both the faster pace of the exploration and drilling managers, as well as to the slower pace of geologists and other researchers trying to understand the geothermal system over the long run.

Martini, B; Silver, E; Pickles, W; Cocks, P

2004-03-25T23:59:59.000Z

376

Hyperspectral Mineral Mapping in Support of Geothermal Exploration: Examples from Long Valley Caldera, CA and Dixie Valley, NV, USA  

DOE Green Energy (OSTI)

Growing interest and exploration dollars within the geothermal sector have paved the way for increasingly sophisticated suites of geophysical and geochemical tools and methodologies. The efforts to characterize and assess known geothermal fields and find new, previously unknown resources has been aided by the advent of higher spatial resolution airborne geophysics (e.g. aeromagnetics), development of new seismic processing techniques, and the genesis of modern multi-dimensional fluid flow and structural modeling algorithms, just to name a few. One of the newest techniques on the scene, is hyperspectral imaging. Really an optical analytical geochemical tool, hyperspectral imagers (or imaging spectrometers as they are also called), are generally flown at medium to high altitudes aboard mid-sized aircraft and much in the same way more familiar geophysics are flown. The hyperspectral data records a continuous spatial record of the earth's surface, as well as measuring a continuous spectral record of reflected sunlight or emitted thermal radiation. This high fidelity, uninterrupted spatial and spectral record allows for accurate material distribution mapping and quantitative identification at the pixel to sub-pixel level. In volcanic/geothermal regions, this capability translates to synoptic, high spatial resolution, large-area mineral maps generated at time scales conducive to both the faster pace of the exploration and drilling managers, as well as to the slower pace of geologists and other researchers trying to understand the geothermal system over the long run.

Pickles, W L; Martini, B A; Silver, E A; Cocks, P A

2004-03-03T23:59:59.000Z

377

Hyperspectral Mineral Mapping in Support of Geothermal Exploration: Examples from Long Valley Caldera, CA and Dixie Valley, NV, USA  

DOE Green Energy (OSTI)

Growing interest and exploration dollars within the geothermal sector have paved the way for increasingly sophisticated suites of geophysical and geochemical tools and methodologies. The efforts to characterize and assess known geothermal fields and find new, previously unknown resources has been aided by the advent of higher spatial resolution airborne geophysics (e.g. aeromagnetics), development of new seismic processing techniques, and the genesis of modern multi-dimensional fluid flow and structural modeling algorithms, just to name a few. One of the newest techniques on the scene, is hyperspectral imaging. Really an optical analytical geochemical tool, hyperspectral imagers (or imaging spectrometers as they are also called), are generally flown at medium to high altitudes aboard mid-sized aircraft and much in the same way more familiar geophysics are flown. The hyperspectral data records a continuous spatial record of the earth's surface, as well as measuring a continuous spectral record of reflected sunlight or emitted thermal radiation. This high fidelity, uninterrupted spatial and spectral record allows for accurate material distribution mapping and quantitative identification at the pixel to sub-pixel level. In volcanic/geothermal regions, this capability translates to synoptic, high spatial resolution, large-area mineral maps generated at time scales conducive to both the faster pace of the exploration and drilling managers, as well as to the slower pace of geologists and other researchers trying to understand the geothermal system over the long run.

Martini, B; Silver, E; Pickles, W; Cocks, P

2004-03-25T23:59:59.000Z

378

Geothermal br Resource br Area Geothermal br Resource br Area Geothermal  

Open Energy Info (EERE)

Geothermal Area Brady Hot Springs Geothermal Area Geothermal Area Brady Hot Springs Geothermal Area Northwest Basin and Range Geothermal Region MW K Coso Geothermal Area Coso Geothermal Area Walker Lane Transition Zone Geothermal Region Pull Apart in Strike Slip Fault Zone Mesozoic Granitic MW K Dixie Valley Geothermal Area Dixie Valley Geothermal Area Central Nevada Seismic Zone Geothermal Region Stepover or Relay Ramp in Normal Fault Zones major range front fault Jurassic Basalt MW K Geysers Geothermal Area Geysers Geothermal Area Holocene Magmatic Geothermal Region Pull Apart in Strike Slip Fault Zone intrusion margin and associated fractures MW K Long Valley Caldera Geothermal Area Long Valley Caldera Geothermal Area Walker Lane Transition Zone Geothermal Region Displacement Transfer Zone Caldera Margin Quaternary Rhyolite MW K

379

NORTHERN NEVADA GEOTHERMAL EXPLORATION STRATEGY ANALYSIS  

E-Print Network (OSTI)

School of Mines Nevada Geothermal Study: Report No. 4, Feb.J. , 1976, Assessing the geothermal resource base of the1977, Microseisms in geothermal Studies in Grass Valley,

Goldstein, N.E.

2011-01-01T23:59:59.000Z

380

Geothermal Loan Guarantee Program: Westmorland Development Project, Imperial County, California: Environmental assessment  

DOE Green Energy (OSTI)

The action assessed is the guaranty of a loan by DOE to finance geothermal exploration, development, and testing by Mapco Geothermal, Inc. and Republic Geothermal, Inc. in the Westmorland area of Imperial County, California. Initial drilling and flow testing of up to three production wells will occur in the exploratory phase. Exploration is proposed for either or both of two portions of the leasehold area. If exploration confirms the presence of a viable resource in the Sweetwater area, the preferred site based on limited temperature data, then up to 19 new production wells and three new injection wells may be drilled and tested there in preparation for the construction of a 55-MW double-flash electric power plant. If, however, the Sweetwater resource proves infeasible, further exploration and possible full-field development may occur instead at the Dearborn-Kalin-Landers area. At this site, up to 19 new production wells and three new injection wells may be drilled and tested, with six existing wells also used for injection. This environmental assessment chiefly addresses effects of the drilling and testing program. In summary, this paper discusses the proposed action, describes the existing environment and discusses the potential environmental impacts. 75 refs. (LSP)

Not Available

1979-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Geothermal Investigations of California Submerged Lands and Spherical Flow in Naturally Fractured Reservoirs  

DOE Green Energy (OSTI)

A large portion of California State-owned land is the tidal and submerged land along the coastline and around the islands that extends seaward for three geographical miles. Other large areas of State-owned lands form the beds of lakes and navigable rivers. Some evidence, such as the proximity of hot springs, indicates there may be important geothermal potential on these lands. The purpose of this project is to develop methods, tools, and interpretive techniques to explore for and evaluate geothermal resources on submerged lands. Presently, the state of the art is primitive because there has been little interest or effort in assessing the resource potential of submerged lands, and the limited work carried out thus far has been for scientific purposes. There has been a moderate amount of water temperature measuring for oceanographic or limnologic studies and fairly reliable techniques exist. There have been limited measurements of the temperature, thermal gradient, and heat flow in bottom sediment of the ocean area off California and from the lakes. Probably less than a dozen data points exist for State-owned land. This work was done using large equipment, such as piston corers with outrigger-mounted thermistors arrayed along the core barrels. To achieve penetration, such equipment requires heavy weights, strong cable, heavy duty winches, large crews and oceanographic research-type vessels or large barges, and this entails considerable expenses and logistical problems. Clearly, many hundreds, or thousands of data points are required for a remotely reliable evaluation of the resources. The first problem is to assess existing methods and develop others that will enable economical and efficient exploration for geothermal resources on submerged lands.

Northup, William F.; Everitts, D.J.; Eaton, C.F.; Welday, E.E.; Martin, Roger C.; Ershaghi, Iraj; Wilde, P.; Oldson, J.C.; Case, C.W.

1976-01-01T23:59:59.000Z

382

PROCEEDINGS, Thirty-Fifth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, February 1-3, 2010  

E-Print Network (OSTI)

, Stanford, California, February 1-3, 2010 SGP-TR-188 THERMAL ENERGY RECOVERY FROM ENHANCED GEOTHERMAL to the thermal energy contained in the fractured volume comprising the reservoir. One approach to EGS resource crustal heat flow is most favorable for EGS development (Figure 1), were included in the recent USGS

Stanford University

383

Identification of environmental issues: Hybrid wood-geothermal power plant, Wendel-Amedee KGRA, Lassen County, California: First phase report  

DOE Green Energy (OSTI)

The development of a 55 MWe power plant in Lassen County, California, has been proposed. The proposed power plant is unique in that it will utilize goethermal heat and wood fuel to generate electrical power. This report identifies environmental issues and constraints which may impact the proposed hybrid wood-geothermal power plant. (ACR)

Not Available

1981-08-14T23:59:59.000Z

384

Strategies for Detecting Hidden Geothermal Systems by Near-Surface Gas Monitoring  

E-Print Network (OSTI)

Conceptual models of the Dixie Valley, Nevada Geothermaldioxide flux at the Dixie Valley geothermal field, Nevada;by faulting. At the Dixie Valley Geothermal Field, USA, CO 2

Lewicki, Jennifer L.; Oldenburg, Curtis M.

2004-01-01T23:59:59.000Z

385

Drought resilience of the California Central Valley surface-groundwater-conveyance system  

E-Print Network (OSTI)

Berkeley, California. Sacramento, CA: California Water andand race/ethnicity. Sacramento, CA. California Department ofDocumentation. Sacramento, CA: Hydrology Development Unit,

Miller, N.L.

2009-01-01T23:59:59.000Z

386

Heber Plant Geothermal Facility | Open Energy Information  

Open Energy Info (EERE)

Plant Geothermal Facility Plant Geothermal Facility Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Heber Plant Geothermal Facility General Information Name Heber Plant Geothermal Facility Facility Heber Plant Sector Geothermal energy Location Information Location Imperial Valley, California Coordinates 33.03743°, -115.621591° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.03743,"lon":-115.621591,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

387

Heber II Geothermal Facility | Open Energy Information  

Open Energy Info (EERE)

II Geothermal Facility II Geothermal Facility Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Heber II Geothermal Facility General Information Name Heber II Geothermal Facility Facility Heber II Sector Geothermal energy Location Information Location Imperial Valley, California Coordinates 33.03743°, -115.621591° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.03743,"lon":-115.621591,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

388

Heber South Geothermal Facility | Open Energy Information  

Open Energy Info (EERE)

South Geothermal Facility South Geothermal Facility Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Heber South Geothermal Facility General Information Name Heber South Geothermal Facility Facility Heber South Sector Geothermal energy Location Information Location Imperial Valley, California Coordinates 33.03743°, -115.621591° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.03743,"lon":-115.621591,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

389

Gould Geothermal Facility | Open Energy Information  

Open Energy Info (EERE)

Gould Geothermal Facility Gould Geothermal Facility Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Gould Geothermal Facility General Information Name Gould Geothermal Facility Facility Gould Sector Geothermal energy Location Information Location Imperial Valley, California Coordinates 33.03743°, -115.621591° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.03743,"lon":-115.621591,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

390

Preliminary digital geologic maps of the Mariposa, Kingman, Trona, and Death Valley Sheets, California  

Science Conference Proceedings (OSTI)

Parts of four 1:250,000-scale geologic maps by the California Department of Natural Resources, Division of Mines and Geology have been digitized for use in hydrogeologic characterization. These maps include the area of California between lat. 35{degree}N; Long. 115{degree}W and lat. 38{degree}N, long. 118{degree}W of the Kingman Sheet (Jennings, 1961), Trona Sheet (Jennings and others, 1962), Mariposa Sheet (Strand, 1967), and Death Valley Sheet (Streitz and Stinson, 1974). These digital maps are being released by the US Geological Survey in the ARC/INFO Version 6.1 Export format. The digitized data include geologic unit boundaries, fault traces, and identity of geologic units. The procedure outlined in US Geological Survey Circular 1054 (Soller and others, 1990) was sued during the map construction. The procedure involves transferring hard-copy data into digital format by scanning manuscript maps, manipulating the digital map data, and outputting the data. Most of the work was done using Environmental Systems Research Institute`s ARC/INFO software. The digital maps are available in ARC/INFO Rev. 6.1 Export format, from the USGS, Yucca Mountain Project, in Denver, Colorado.

D`Agnese, F.A.; Faunt, C.C.; Turner, A.K. [Geological Survey, Denver, CO (United States)

1995-10-01T23:59:59.000Z

391

Surface water supply for the Clearlake, California Hot Dry Rock Geothermal Project  

DOE Green Energy (OSTI)

It is proposed to construct a demonstration Hot Dry Rock (HDR) geothermal plant in the vicinity of the City of Clearlake. An interim evaluation has been made of the availability of surface water to supply the plant. The evaluation has required consideration of the likely water consumption of such a plant. It has also required consideration of population, land, and water uses in the drainage basins adjacent to Clear Lake, where the HDR demonstration project is likely to be located. Five sources were identified that appear to be able to supply water of suitable quality in adequate quantity for initial filling of the reservoir, and on a continuing basis, as makeup for water losses during operation. Those sources are California Cities Water Company, a municipal supplier to the City of Clearlake; Clear Lake, controlled by Yolo County Flood Control and Water Conservation District; Borax Lake, controlled by a local developer; Southeast Regional Wastewater Treatment Plant, controlled by Lake County; and wells, ponds, and streams on private land. The evaluation involved the water uses, water rights, stream flows, precipitation, evaporation, a water balance, and water quality. In spite of California`s prolonged drought, the interim conclusion is that adequate water is available at a reasonable cost to supply the proposed HDR demonstration project.

Jager, A.R.

1996-03-01T23:59:59.000Z

392

Keeping the History in Historical Seismology: The 1872 Owens Valley, California Earthquake  

SciTech Connect

The importance of historical earthquakes is being increasingly recognized. Careful investigations of key pre-instrumental earthquakes can provide critical information and insights for not only seismic hazard assessment but also for earthquake science. In recent years, with the explosive growth in computational sophistication in Earth sciences, researchers have developed increasingly sophisticated methods to analyze macroseismic data quantitatively. These methodological developments can be extremely useful to exploit fully the temporally and spatially rich information source that seismic intensities often represent. For example, the exhaustive and painstaking investigations done by Ambraseys and his colleagues of early Himalayan earthquakes provides information that can be used to map out site response in the Ganges basin. In any investigation of macroseismic data, however, one must stay mindful that intensity values are not data but rather interpretations. The results of any subsequent analysis, regardless of the degree of sophistication of the methodology, will be only as reliable as the interpretations of available accounts - and only as complete as the research done to ferret out, and in many cases translate, these accounts. When intensities are assigned without an appreciation of historical setting and context, seemingly careful subsequent analysis can yield grossly inaccurate results. As a case study, I report here on the results of a recent investigation of the 1872 Owen's Valley, California earthquake. Careful consideration of macroseismic observations reveals that this event was probably larger than the great San Francisco earthquake of 1906, and possibly the largest historical earthquake in California. The results suggest that some large earthquakes in California will generate significantly larger ground motions than San Andreas fault events of comparable magnitude.

Hough, Susan E. [U.S. Geological Survey, 525 South Wilson Avenue, Pasadena, California 91106 (United States)

2008-07-08T23:59:59.000Z

393

Evaluation of low-temperature geothermal potential in Utah and Goshen Valleys and adjacent areas, Utah. Part II. Water temperature and chemistry  

DOE Green Energy (OSTI)

Geothermal reconnaissance techniques have identified five areas in Utah County warranting further investigation for low-temperature geothermal resources. One area in northern Utah Valley is along Utah Lake fault zone and includes Saratoga Hot Springs. Water temperatures within this area range from 21 to 43/sup 0/C. Common ion analyses as well as B and Li concentrations indicate waters sampled in this area are anomalous when compared to other samples from the same aquifer. Two other areas in southern Utah Valley also coincide with the Utah Lake fault zone. Common ion analyses, trace element concentrations, and C1/HCO/sub 3/ ratios distinguish these areas from all other waters in this valley. Temperatures within these southern areas range from 21 to 32/sup 0/C. All three thermal areas are possibly the result of deep circulation of meteoric water being warmed and subsequently migrating upward within the Utah Lake fault zone. The Castilla Hot Springs area has been expanded by this study to include a spring located 3 mi further up Spanish Fork Canyon near the Thistle earthflow. A temperature of 50/sup 0/C was recorded for this spring and chemistry is similar to Castilla. In Goshen Valley, the fifth geothermal area identified, measured temperatures range from 20 to 27/sup 0/C for some wells and springs. Chemical analyses, however, do not discern the location of low-temperature geothermal reservoirs. 18 refs., 7 figs., 5 tabs.

Klauk, R.H.; Davis, D.A.

1984-12-01T23:59:59.000Z

394

Reconnaissance electrical surveys in the Coso Range, California | Open  

Open Energy Info (EERE)

electrical surveys in the Coso Range, California electrical surveys in the Coso Range, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Reconnaissance electrical surveys in the Coso Range, California Details Activities (3) Areas (1) Regions (0) Abstract: Telluric current, audiomagnetotelluric (AMT), and direct current (dc) methods were used to study the electrical structure of the Coso Range and Coso geothermal area. Telluric current mapping outlined major resistivity lows associated with conductive valley fill of the Rose Valley basin, the Coso Basin, and the northern extension of the Coso Basin east of Coso Hot Springs. A secondary resistivity low with a north-south trend runs through the Coso Hot Springs--Devil's Kitchen geothermal area. The secondary low in the geothermal area, best defined by the 7.5-Hz AMT map

395

Enhanced Geothermal System Development of the AmeriCulture Leasehold in the Animas Valley  

DOE Green Energy (OSTI)

Working under the grant with AmeriCulture, Inc., and its team of geothermal experts, assembled a plan to apply enhanced geothermal systems (EGS) techniques to increase both the temperature and flow rate of the geothermal waters on its leasehold. AmeriCulture operates a commercial aquaculture facility that will benefit from the larger quantities of thermal energy and low cost electric power that EGS technology can provide. The project brought together a team of specialists that, as a group, provided the full range of expertise required to successfully develop and implement the project.

Duchane, David V; Seawright, Gary L; Sewright, Damon E; Brown, Don; Witcher, James c.; Nichols, Kenneth E.

2001-03-02T23:59:59.000Z

396

A Multiple-Case Analysis of Nocturnal Radiation-Fog Development in the Central Valley of California Utilizing the GOES Nighttime Fog Product  

Science Conference Proceedings (OSTI)

Radiation fog in the Central Valley of California has received very little attention in terms of climatological research. This study uses the Geostationary Operational Environmental Satellite (GOES) nighttime fog product to develop a sequence of ...

S. Jeffrey Underwood; Gary P. Ellrod; Aaron L. Kuhnert

2004-02-01T23:59:59.000Z

397

Final Scientific / Technical Report, Geothermal Resource Exploration Program, Truckhaven Area, Imperial County, California  

DOE Green Energy (OSTI)

With financial support from the U.S. Department of Energy (DOE), Layman Energy Associates, Inc. (LEA) has completed a program of geothermal exploration at the Truckhaven area in Imperial County, California. The exploratory work conducted by LEA included the following activities: compilation of public domain resource data (wells, seismic data, geologic maps); detailed field geologic mapping at the project site; acquisition and interpretation of remote sensing imagery such as aerial and satellite photographs; acquisition, quality control and interpretation of gravity data; and acquisition, quality control and interpretation of resistivity data using state of the art magnetotelluric (MT) methods. The results of this exploratory program have allowed LEA to develop a structural and hydrologic interpretation of the Truckhaven geothermal resource which can be used to guide subsequent exploratory drilling and resource development. Of primary significance, is the identification of an 8 kilometer-long, WNW-trending zone of low resistivity associated with geothermal activity in nearby wells. The long axis of this low resistivity zone is inferred to mark a zone of faulting which likely provides the primary control on the distribution of geothermal resources in the Truckhaven area. Abundant cross-faults cutting the main WNW-trending zone in its western half may indicate elevated fracture permeability in this region, possibly associated with thermal upwelling and higher resource temperatures. Regional groundwater flow is inferred to push thermal fluids from west to east along the trend of the main low resistivity zone, with resource temperatures likely declining from west to east away from the inferred upwelling zone. Resistivity mapping and well data have also shown that within the WNW-trending low resistivity zone, the thickness of the Plio-Pleistocene sedimentary section above granite basement ranges from 1,9002,600 meters. Well data indicates the lower part of this sedimentary section is sand-rich, suggesting good potential for a sediment-hosted geothermal reservoir in porous sands, similar to other fields in the region such as Heber and East Mesa. Sand porosity may remain higher in the eastern portion of the low resistivity zone. This is based on its location hydrologically downstream of the probable area of thermal upwelling, intense fracture development, and associated pore-filling hydrothermal mineral deposition to the west.

Layman Energy Associates, Inc.

2006-08-15T23:59:59.000Z

398

Health effects and related standards for fossil-fuel and geothermal power plants. Volume 6 of health and safety impacts of nuclear, geothermal, and fossil-fuel electric generation in California. [In California  

DOE Green Energy (OSTI)

This report reviews health effects and related standards for fossil-fuel and geothermal power plants, emphasizing impacts which may occur through emissions into the atmosphere, and treating other impacts briefly. Federal regulations as well as California state and local regulations are reviewed. Emissions are characterized by power plant type, including: coal-fired, oil-fired, gas-fired, combined cycle and advanced fossil-fuel plants; and liquid and vapor geothermal systems. Dispersion and transformation of emissions are treated. The state of knowledge of health effects, based on epidemiological, physiological, and biomedical studies, is reviewed.

Case, G.D.; Bertolli, T.A.; Bodington, J.C.; Choy, T.A.; Nero, A.V.

1977-01-01T23:59:59.000Z

399

Environmental overview of geothermal development: the Mono-Long Valley KGRA  

DOE Green Energy (OSTI)

Major issues and concerns relating to geothermal development were identified and assessed in seven broad areas: (1) air quality, (2) archaeology and cultural resources, (3) geology, (4) natural ecosystems, (5) noise, (6) socioeconomics, and (7) water quality. Existing data for each of these areas was identified and evaluated to determine if the data can be used to help resolve major issues. Finally, specific areas where additional data are needed to ensure that geothermal development is environmentally acceptable were recommended.

Strojan, C.L.; Romney, E.M. (eds.) [eds.

1979-01-01T23:59:59.000Z

400

Geology of the Desert Hot Springs-Upper Coachella Valley Area, California (with a selected bibliography of the Coachella Valley, Salton Sea, and vicinity)  

DOE Green Energy (OSTI)

The Desert Hot Springs area is in the upper Coachella Valley at the junction of three natural geomorphic provinces of California--the Transverse Ranges, the Peninsular Ranges, and the Colorado Desert. The mapped area is about 100 miles east of Los Angeles and lies principally in north central Riverside County. The oldest rocks in the area are Precambrian(?) amphibolitic and migmatized paragneisses of the San Gorgonio igneous-metamorphic (Chuckwalla) complex. They are intruded by Cretaceous diorite porphyry, Cactus Granite, quartz monzonite, intrusive breccia, and basic plutonic rocks. Of probable late Paleozoic age are the metamorphic rocks of the San Jacinto Mountains which form spurs projecting into San Gorgonio Pass and Coachella Valley.

Proctor, Richard J.

1968-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "valley california geothermal" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

The Thermal Regime In The Resurgent Dome Of Long Valley Caldera,  

Open Energy Info (EERE)

Thermal Regime In The Resurgent Dome Of Long Valley Caldera, Thermal Regime In The Resurgent Dome Of Long Valley Caldera, California- Inferences From Precision Temperature Logs In Deep Wells Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: The Thermal Regime In The Resurgent Dome Of Long Valley Caldera, California- Inferences From Precision Temperature Logs In Deep Wells Details Activities (1) Areas (1) Regions (0) Abstract: Long Valley Caldera in eastern California formed 0.76 Ma ago in a cataclysmic eruption that resulted in the deposition of 600 km3 of Bishop Tuff. The total current heat flow from the caldera floor is estimated to be ~ 290 MW, and a geothermal power plant in Casa Diablo on the flanks of the resurgent dome (RD) generates ~40 MWe. The RD in the center of the caldera was uplifted by ~ 80 cm between 1980 and 1999 and was explained by most

402

Backgrounder: Geothermal resource production, steam gathering, and power generation at Salton Sea Unit 3, Calipatria, California  

DOE Green Energy (OSTI)

The 10,000-kilowatt Salton Sea Unit 1 power plant was designed to demonstrate that electrical power generation, using the highly saline brines from the Salton Sea geothermal reservoir, was technically and economically feasible. Unit 1, owned by Earth Energy, a Unocal subsidiary, began operating in 1982, initiating an intensive testing program which established the design criteria necessary to construct the larger 47,500-kilowatt Unit 3 power plant, unit 3 contains many of the proprietary or patented technological innovations developed during this program. Design, construction and start-up of the Unit 3 power generating facility began in December, 1986, and was completed in 26 months. By the end of 1988, the brine handling system was in full operation, and the turbine had been tested at design speed. Desert Power Company, a Unocal subsidiary, owns the power generating facility. Unocal owns the brine resource production facility. Power is transmitted by the Imperial Irrigation District to Southern California Edison Company.

None

1989-04-01T23:59:59.000Z

403

Recency Of Faulting And Neotechtonic Framework In The Dixie Valley...  

Open Energy Info (EERE)

Recency Of Faulting And Neotechtonic Framework In The Dixie Valley Geothermal Field And Other Geothermal Fields Of The Basin And Range Jump to: navigation, search GEOTHERMAL...

404

SELF-POTENTIAL SURVEY AT THE CERRO PRIETO GEOTHERMAL FIELD, BAJA CALIFORNIA, MEXICO  

E-Print Network (OSTI)

Presented at the Geothermal Resources Council 1978 AnnualPrepared for the Division of Geothermal Energy of the U. S.of th'e dipole in km. Geothermal Field, Baja Cal ifornia,

Corwin, R.F.

2011-01-01T23:59:59.000Z

405

A STUDY OF ALTERNATIVE REINJECTION SCHEMES FOR THE CERRO PRIETO GEOTHERMAL FIELD, BAJA CALIFORNIA, MEXICO  

E-Print Network (OSTI)

Presented at the Geothermal Resources . Council 1978 Annual~RTHE CERRO PRIETO , GEOTHERMAL FIELD, BAJI:\\CI:\\LIFORNIA. ,Prepared for the Division of Geothermal Energy of the U. S.

Tsang, C.-F.

2011-01-01T23:59:59.000Z

406

Induced seismicity associated with enhanced geothermal system  

E-Print Network (OSTI)

Cooper Basin, Australia. Geothermal Resources Council Trans.a hot fractured rock geothermal project. Engineering Geologyseismicity in The Geysers geothermal area, California. J.

Majer, Ernest L.

2006-01-01T23:59:59.000Z

407

Tectonic setting of the Coso geothermal reservoir | Open Energy Information  

Open Energy Info (EERE)

Tectonic setting of the Coso geothermal reservoir Tectonic setting of the Coso geothermal reservoir Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: Tectonic setting of the Coso geothermal reservoir Details Activities (1) Areas (1) Regions (0) Abstract: The Coso geothermal reservoir is being developed in Sierran-type crystalline bedrock of the Coso Mountains, a small desert mountain range just to the east of the Sierra Nevada and Rose Valley, which is the southern extension of the Owens Valley of eastern California Optimum development of this reservoir requires an understanding of the fracture hydrology of the Coso Mountains crystalline terrain and its hydrologic connection to regional groundwater and thermal sources. An interpreted, conceptually balanced regional cross section that extends from the Sierra

408

Geology and geothermal waters of Lightning Dock region, Animas Valley and Pyramid Mountains, Hidalgo County, New Mexico  

DOE Green Energy (OSTI)

This circular covers the geology of the Pyramid Peak, Swallow Fork Peak, Table Top Mountain, and South Pyramid Peak 7-1/2-min quadrangles, which include the Lightning Dock KGRA. Hot wells (70 to 115.5/sup 0/C) seem to be structurally controlled by intersections of the ring-fracture zone of an Oligocene ash-flow tuff cauldron (Muir cauldron), a Miocene-to-Holocene north-trending basin-and-range fault (Animas Valley fault), and a northeast-trending lineament that appears to control anomalously heated underground waters and Pliocene-Pleistocene basalt cones in the San Bernardino, San Simon, and Animas Valleys. The Muir cauldron, approximately 20 km in diameter, collapsed in two stages, each associated with the eruption of a rhyolite ash-flow-tuff sheet and of ring-fracture domes. Most of the hydrothermal alteration of the Lightning Dock KGRA is related to the first stage of eruption and collapse, not to the modern geothermal system. Contrary to previous reports, no silicic volcanic rocks younger than basin-and-range faulting are known; unconformities beneath rhyolite ring-fracture domes are caused by Oligocene caldera collapse, not by basin-and-range faulting. The Animas Valley is the site of widespread post-20 My travertine deposits and near-surface veins of calcite, fluorite, and/or psilomelane, controlled by north- or northwest-trending basin-and-range faults. The fluoride-bearing waters of the Lightning Dock KGRA may be a late stage of this hydrothermal activity. Distribution of Pliocene-Pleistocene basalt suggests that deep-seated basalt near the solids may be the ultimate heat source.

Elston, W.E.; Deal, E.G.; Logsdon, M.J.

1983-01-01T23:59:59.000Z

409

Geothermal utilization plan, Marine Corps Air-Ground Combat Center, Twentynine Palms, California. Final report, March 1-September 1, 1985  

DOE Green Energy (OSTI)

A preliminary engineering feasibility study of geothermal utilization was completed for the Marine Corps Air Ground Combat Center, Twentynine Palms, California. The study incorporated previous studies of the geology, geophysics, and environment performed for the Center. In addition, information about fuel consumption and current heating methodology was provided by the Center's personnel. This information was integrated with design assumptions based on the best estimates available for geothermal resource temperature and flow rate. The result of the study is a recommended pipeline alignment and suggested geothermal service area. The estimated costs for construction of the system range from $4.5 to $5 million. The estimated savings in offset natural gas consumption after capital recovery is $3.8 million over a twenty year period. 9 refs., 6 figs., 2 tabs.

Ghusn, G. Jr.; Flynn, T.

1985-09-01T23:59:59.000Z

410

Revisiting the 'Buy versus Build' Decision for Publicly Owned Utilities in California Considering Wind and Geothermal Resources  

DOE Green Energy (OSTI)

The last two decades have seen a dramatic increase in the market share of independent, nonutility generators (NUGs) relative to traditional, utility-owned generation assets. Accordingly, the ''buy versus build'' decision facing utilities--i.e., whether a utility should sign a power purchase agreement (PPA) with a NUG, or develop and own the generation capacity itself--has gained prominence in the industry. Very little of this debate, however, has focused specifically on publicly owned electric utilities, and with few exceptions, renewable sources of supply have received similarly scant attention. Contrary to historical treatment, however, the buy versus build debate is quite relevant to publicly owned utilities and renewables because publicly owned utilities are able to take advantage of some renewable energy incentives only in a ''buy'' situation, while others accrue only in a ''build'' situation. In particular, possible economic advantages of public utility ownership include: (1) the tax-free status of publicly owned utilities and the availability of low-cost debt, and (2) the renewable energy production incentive (REPI) available only to publicly owned utilities. Possible economic advantages to entering into a PPA with a NUG include: (1) the availability of federal tax credits and accelerated depreciation schedules for certain forms of NUG-owned renewable energy, and (2) the California state production incentives available to NUGs but not utilities. This article looks at a publicly owned utility's decision to buy or build new renewable energy capacity--specifically wind and geothermal power--in California. To examine the economic aspects of this decision, we used a 20-year financial cash-flow model to assess the levelized cost of electricity under four supply options: (1) public utility ownership of new geothermal capacity, (2) public utility ownership of new wind capacity, (3) a PPA for new geothermal capacity, and (4) a PPA for new wind capacity. We focus on wind and geothermal because both resources are abundant and, in some cases, potentially economic in California. Our analysis is not intended to provide precise estimates of the levelized cost of electricity from wind projects and geothermal plants; nor is our intent to compare the levelized costs of wind and geothermal power to one another. Instead, our intent is simply to compare the costs of buying wind or geothermal power to the costs of building and operating wind or geothermal capacity under various scenarios. Of course, the ultimate decision to buy or build cannot and should not rest solely on a comparison of the levelized cost of electricity. Thus, in addition to quantitative analysis, we also include a qualitative discussion of several important features of the ''buy versus build'' decision not reflected in the economic analysis.

Bolinger, Mark; Wiser, Ryan; Golove, William

2001-12-11T23:59:59.000Z

411

Health impacts of geothermal energy  

DOE Green Energy (OSTI)

The focus is on electric power production using geothermal resources greater than 150/sup 0/C because this form of geothermal energy utilization has the most serious health-related consequences. Based on measurements and experience at existing geothermal power plants, atmospheric emissions of noncondensing gases such as hydrogen sulfide and benzene pose the greatest hazards to public health. Surface and ground waters contaminated by discharges of spent geothermal fluids constitute another health hazard. It is shown that hydrogen sulfide emissions from most geothermal power plants are apt to cause odor annoyances among members of the exposed public - some of whom can detect this gas at concentrations as low as 0.002 parts per million by volume. A risk assessment model is used to estimate the lifetime risk of incurring leukemia from atmospheric benzene caused by 2000 MW(e) of geothermal development in California's Imperial Valley. The risk of skin cancer due to the ingestion of river water in New Zealand that is contaminated by waste geothermal fluids containing arsenic is also assessed. Finally, data on the occurrence of occupational disease in the geothermal industry are summarized briefly.

Layton, D.W.; Anspaugh, L.R.

1981-06-15T23:59:59.000Z

412

Rapid reconnaissance of geothermal prospects using shallow temperature  

Open Energy Info (EERE)

Semi-annual technical report Semi-annual technical report Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Rapid reconnaissance of geothermal prospects using shallow temperature surveys. Semi-annual technical report Details Activities (1) Areas (1) Regions (0) Abstract: Shallow (2-m) soil temperature data have been collected at 27 sites at Long Valley, California, and at 102 sites at Coso, California. These geothermal areas are locations where traditional deep reconnaissance geothermal survey bore holes have been emplaced, allowing us to compare directly our shallow temperature results with standard geothermal exploration techniques. The effects of surface roughness, albedo, soil thermal diffusivity, topography and elevation were considered in making the necessary corrections to our 2-m temperature data. The corrected data for

413

Low- to moderate-temperature geothermal resource assessment for Nevada: area specific studies, Pumpernickel Valley, Carlin and Moana. Final report June 1, 1981-July 31, 1982  

DOE Green Energy (OSTI)

Geological, geophysical and geochemical surveys were used in conjunction with temperature gradient hole drilling to assess the geothermal resources in Pumpernickel Valley and Carlin, Nevada. This program is based on a statewide assessment of geothermal resources that was completed in 1979. The exploration techniques are based on previous federally-funded assessment programs that were completed in six other areas in Nevada and include: literature search and compilation of existing data, geologic reconnaissance, chemical sampling of thermal and non-thermal fluids, interpretation of satellite imagery, interpretation of low-sun angle aerial photographs, two-meter depth temperature probe survey, gravity survey, seismic survey, soil-mercury survey, and temperature gradient drilling.

Trexler, D.T.; Flynn, T.; Koenig, B.A.; Bell, E.J.; Ghusn, G. Jr.

1982-01-01T23:59:59.000Z

414

Temporal changes in noble gas compositions within the Aidlin sector ofThe Geysers geothermal system  

E-Print Network (OSTI)

felsite unit), Geysers geothermal field, California: a 40California A summary. Geothermal Resources Councilsystematics of a continental geothermal system: results from

Dobson, Patrick; Sonnenthal, Eric; Kennedy, Mack; van Soest, Thijs; Lewicki, Jennifer

2006-01-01T23:59:59.000Z

415

Final environmental statement for the geothermal leasing program  

SciTech Connect

This second of the four volumes of the Geothermal Leasing Program final impact statement contains the individual environmental statements for the leasing of federally owned geothermal resources for development in three specific areas: Clear Lake-Geysers; Mono Lake-Long Valley; and Imperial Valley, all in California. It also includes a summary of the written comments received and departmental responses relative to the Draft Environmental Impact Statement issued in 1971; comments and responses on the Draft Environmental Impact Statement; consultation and coordination in the development of the proposal and in the preparation of the Draft Environmental Statement; and coordination in the review of the Draft Environmental Statement.

1973-12-31T23:59:59.000Z

416

Analysis of Injection-Induced Micro-Earthquakes in a Geothermal Steam Reservoir, The Geysers Geothermal Field, California  

E-Print Network (OSTI)

and P. Segall, P. 1997. Subsidence at The Geysers geothermalA.P. 2001. Seismicity, subsidence and strain at The Geysersrespectively, as well as subsidence of about 0.5 to 1 meter.

Rutqvist, J.

2008-01-01T23:59:59.000Z

417

Session: Geopressured-Geothermal  

DOE Green Energy (OSTI)

This session at the Geothermal Energy Program Review X: Geothermal Energy and the Utility Market consisted of five presentations: ''Overview of Geopressured-Geothermal'' by Allan J. Jelacic; ''Geothermal Well Operations and Automation in a Competitive Market'' by Ben A. Eaton; ''Reservoir Modeling and Prediction at Pleasant Bayou Geopressured-Geothermal Reservoir'' by G. Michael Shook; ''Survey of California Geopressured-Geothermal'' by Kelly Birkinshaw; and ''Technology Transfer, Reaching the Market for Geopressured-Geothermal Resources'' by Jane Negus-de Wys.

Jelacic, Allan J.; Eaton, Ben A.; Shook, G. Michael; Birkinshaw, Kelly; Negus-de Wys, Jane

1992-01-01T23:59:59.000Z

418

Isotopic Analysis- Fluid At Coso Geothermal Area (1990) | Open Energy  

Open Energy Info (EERE)

Analysis- Fluid At Coso Geothermal Area (1990) Analysis- Fluid At Coso Geothermal Area (1990) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic Analysis- Fluid At Coso Geothermal Area (1990) Exploration Activity Details Location Coso Geothermal Area Exploration Technique Isotopic Analysis- Fluid Activity Date 1990 Usefulness not indicated DOE-funding Unknown Exploration Basis Determine the recharge of the area Notes Hydrogen and oxygen isotope data on waters of Coso thermal and nonthermal waters were studied. Hydrogen and oxygen isotopes do not uniquely define the recharge area for the Coso geothermal system but strongly suggest Sierran recharge with perhaps some local recharge. References Whelan, J. A. (1 September 1990) Water geochemistry study of Indian Wells Valley, Inyo and Kern Counties, California. Supplement.

419

North Brawley Geothermal Power Plant | Open Energy Information  

Open Energy Info (EERE)

Brawley Geothermal Power Plant Brawley Geothermal Power Plant Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home North Brawley Geothermal Power Plant General Information Name North Brawley Geothermal Power Plant Facility North Brawley Sector Geothermal energy Location Information Location Imperial Valley, California Coordinates 33.015046°, -115.542267° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.015046,"lon":-115.542267,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

420

Water Sampling At International Geothermal Area, Philippines (Wood, 2002) |  

Open Energy Info (EERE)

Water Sampling At International Geothermal Area Water Sampling At International Geothermal Area Philippines (Wood, 2002) Exploration Activity Details Location International Geothermal Area Philippines Exploration Technique Water Sampling Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Geothermal fluids from hot springs and wells have been sampled from a number of locations, including: 1) the North Island of New Zealand (three sets of samples from three different years) and the South Island of New Zealand (1 set of samples); 2) the Cascades of Oregon; 3) the Harney, Alvord Desert and Owyhee geothermal areas of Oregon; 4) the Dixie Valley and Beowawe fields in Nevada; 5) Palinpiiion, the Philippines; 6) the Salton Sea and Heber geothermal fields of southern California; and 7) the

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421

Final Report: Natural State Models of The Geysers Geothermal System, Sonoma County, California  

DOE Green Energy (OSTI)

Final project report of natural state modeling effort for The Geysers geothermal field, California. Initial models examined the liquid-dominated state of the system, based on geologic constraints and calibrated to match observed whole rock delta-O18 isotope alteration. These models demonstrated that the early system was of generally low permeability (around 10{sup -12} m{sup 2}), with good hydraulic connectivity at depth (along the intrusive contact) and an intact caprock. Later effort in the project was directed at development of a two-phase, supercritical flow simulation package (EOS1sc) to accompany the Tough2 flow simulator. Geysers models made using this package show that ''simmering'', or the transient migration of vapor bubbles through the hydrothermal system, is the dominant transition state as the system progresses to vapor-dominated. Such a system is highly variable in space and time, making the rock record more difficult to interpret, since pressure-temperature indicators likely reflect only local, short duration conditions.

T. H. Brikowski; D. L. Norton; D. D. Blackwell

2001-12-31T23:59:59.000Z

422

Geothermal feasibility study for City of Sonoma, California - four municipal buildings  

SciTech Connect

The City of Sonoma, located in the Northern California Wine Country, consists of several buildings which are old and historic in nature. Four of these buildings, (which shall be designated 1 through 4), totaling approximately 31,150 square feet, shall be evaluated to determine the economic feasibility of converting the existing Environmental Control Systems to water source heat pumps utilizing a natural Geothermal heat sink. Presently, on the State Park's site, there exists a warm water well which produces 250 gallons per minute of water at 73/sup 0/F. Based on utility rates forecast by Pacific Gas and Electric, installation of heat pumps in the City buildings at Sonoma does not appear to be attractive. The economic evaluation was continued until the year 2000. Pacific Gas and Electric is re-evaluating its rate forecasts and will issue a new forecast in April 1982. The high capital cost is due to retrofitting the heating, ventilating, and air conditioning equipment for the existing buildings. For a new installation, the concept of using heat pumps should be re-evaluated.

1982-01-01T23:59:59.000Z

423

Session: Long Valley Exploratory Well  

DOE Green Energy (OSTI)

This session at the Geothermal Energy Program Review X: Geothermal Energy and the Utility Market consisted of four presentations: ''Long Valley Exploratory Well - Summary'' by George P. Tennyson, Jr.; ''The Long Valley Well - Phase II Operations'' by John T. Finger; ''Geologic results from the Long Valley Exploratory Well'' by John C. Eichelberger; and ''A Model for Large-Scale Thermal Convection in the Long Valley Geothermal Region'' by Charles E. Hickox.

Tennyson, George P. Jr.; Finger, John T.; Eichelberger, John C.; Hickox, Charles E.

1992-01-01T23:59:59.000Z

424

The results of the Initial Feasibility Program on cavitation descaling techniques for pipes and tubes used in geothermal energy plants  

SciTech Connect

Since 1970, increasing national attention has been focused on the potential of using geothermal resources for electrical power generation. Significant amounts of electric power produced from geothermal steam (790 megawatts as of 1972) have been generated in various countries throughout the world including the US, italy, New Zealand, iceland, japan, Mexico, and the Soviet Union. Commercial geothermal development in the US has centered in northern California (Geysers), and in southern California (Imperial Valley). A combination of the Magma Power Co., the Union Oil Col, and the Thermal Power Co., has been drilling geothermal wells and producing steam in northern California since 1960. The pacific Gas and Electric Co. purchases the steam for the generation of electricity. The Imperial Valley is a wet steam geothermal resource area currently being considered by major oil companies and electrical utilities for commercial geothermal exploitation. This valley is one of approximately 1,000 geothermal hot water systems presently identified in the US. A recent survey has determined that the total power potential in the US from geothermal hot water systems is between 1 million and 10 million megawatts, with an associated resource life estimated between 100 and 300 years.

1978-06-01T23:59:59.000Z

425

Multi-use geothermal energy system with augmentation for enhanced utilization. Non-electric application of geothermal energy in Susanville, California. Final report  

DOE Green Energy (OSTI)

Aeroject Energy Conversion Company has completed a site specific engineering and economic study of multi-use, augmented geothermal space/water heating and cooling systems in cooperation with the City of Susanville, California. The overall benefits to the City of Susanville, in both the public and private sectors, of using low temperature (150/sup 0/F to 240/sup 0/F) geothermal resources are explored. Options considered, alone and in combination, include heat pumps, fossil-fuel peaking, user load balancing, and cascading from the geothermal system serving the public buildings into a private Park of Commerce development. A range of well temperatures, depths, flow rates, and drilling costs are considered to provide system cost sensitivites and to make the study more widely useful to other sites. A planned development is emphasized for ease of financing and expansion. A preliminary design of Phase A of a Susanville Public Building Energy System and a conceptual design of an integrated park of Commerce, Phase I, are included. This system was designed for a 150/sup 0/F resource and can be used as a model for other communities with similar resource temperatures.

Olsonn, G.K.; Benner-Drury, D.L.; Cunnington, G.R.

1979-02-01T23:59:59.000Z

426

Geology and thermal regime, geothermal test USA No. 11-36, Grass Valley, Nevada  

DOE Green Energy (OSTI)

This report summarizes the results of drilling of an 8,565 foot geothermal test near Leach Hot Springs, Pershing County, Nevada, by Sunoco Energy Development Company. USA No.11-36 is located 500 feet south and 500 feet east of the northwest corner of Section 36, T. 32 N., R. 38 E (Mount Diablo Meridian), elevation 4,573 feet. It was drilled between May 15 and July 2, 1980. USA No.11-36 was deemed unsuccessful, having encountered no temperature higher than 270 F and no significant permeability, and was plugged and abandoned without testing prior to releasing the rig.

Wilde, Walter R.; Koenig, James B.

1980-08-01T23:59:59.000Z

427

Potential for by-product recovery in geothermal energy operations issue paper  

DOE Green Energy (OSTI)

This document identifies and discusses the significant issues raised by the idea of recovering useful by-products from wastes (primarily spent brine) generated during geothermal power production. The physical availability of numerous valuable materials in geothermal brines has captured the interest of geothermal resource developers and other parties ever since their presence was known. The prospects for utilizing huge volumes of highly-saline geothermal brines for electricity generation in the Imperial Valley of California have served to maintain this interest in both private sector and government circles.

None

1982-07-01T23:59:59.000Z

428

Shallow hydrothermal regime of the East Brawley and Glamis known geothermal resource areas, Salton Trough, California  

DOE Green Energy (OSTI)

Thermal gradients and thermal conductivities were obtained in real time using an in situ heat-flow technique in 15 shallow (90 to 150 m) wells drilled between Brawley and Glamis in the Imperial Valley, Southern California. The in situ measurements were supplemented by follow-up conventional temperature logs in seven of the wells and by laboratory measurements of thermal conductivity on drill cuttings. The deltaic sedimentary material comprising the upper approx. 100 m of the Salton Trough generally is poorly sorted and high in quartz resulting in quite high thermal conductivities (averaging 2.0 Wm/sup -1/ K/sup -1/ as opposed to 1.2 to 1.7 for typical alluvium). A broad heat-flow anomaly with maximum of about 200 mWm/sup -2/ (approx. 5 HFU) is centered between Glamis and East Brawley and is superimposed on a regional heat-flow high in excess of 100 mWm/sup -2/ (> 2.5 HFU). The heat-flow high corresponds with a gravity maximum and partially with a minimum in electrical resistivity, suggesting the presence of a hydrothermal system at depth in this area.

Mase, C.W.; Sass, J.H.; Brook, C.A.; Munroe, R.J.

1981-01-01T23:59:59.000Z

429

Hydrodynamic/kinetic reactions in liquid dominated geothermal systems: Hydroscale Test Program, Mercer 2 well site South Brawley, California (Tests No. 15--20). Final report, 27 October 1980--6 February 1981  

DOE Green Energy (OSTI)

The Aerojet Energy Conversion Company, under contract to the Los Alamos National Laboratory, US Department of Energy, has constructed and tested a mobile geothermal well-site test unit at the Mercer 2 well in South Brawley, California (Imperial Valley). The equipment controlled, monitored, and recorded all process conditions of single- and dual-flash power cycles. Single- and two-phase flashed brine effluents were flowed through piping component test sections to provide hydrodynamic/kinetic data for scale formation. The unit operated at flowrates in excess of 200 gpm and is designed to accommodate flowrates up to 300 gpm. Primary scale formations encountered were those of Pbs, Fe{sub 2} (OH){sub 3}Cl (iron hydroxychloride), iron chlorides, and non-crystalline forms Of SiO{sub 2}. The formation of iron hydroxychloride was due to the unusually high concentration of iron in the wellhead brine (5000 mg/1).

Nesewich, J.P.; Gracey, C.M. [Los Alamos National Lab., NM (United States)

1982-04-01T23:59:59.000Z

430

Be in the Salton Sea Geothermal System, California (USA): Salton Sea Scientific Drilling Project, California State 2-14 well: Final report  

DOE Green Energy (OSTI)

The Salton Sea Geothermal System lies in the old Colorado River Delta, where sediments have been metamorphosed by hydrothermal processes. Fluids, from well Fee No. 5 and deep hole SSSDP California State 2-14, as well as rocks from the deep hole were studied for /sup 10/Be and /sup 9/Be. In the solid samples /sup 10/Be concentration ranges from 29 to 259 /times/ 10/sup 6/ atom/g and /sup 9/Be from 0.49 to 2.52 ppM. The /sup 10/Be concentration in the geothermal waters ranges from 2 /times/ 10/sup 3/ to 2.9 /times/ 10/sup 6/ atom/g and /sup 9/Be from 0.7 to 16.6 ppB. Compared to the steady-state inventory which represents the quantity of /sup 10/Be expected from rain deposition alone (/approximately/1 /times/ 10/sup 12/ atom/cm/sup 2/), the /sup 10/Be inventory in the deep core is 3 orders of magnitude higher (>1 /times/ 10/sup 15/ atom/cm/sup 2/). This indicates that most /sup 10/Be is inherited and that the sediments hosting the geothermal field down to 3250m are young, less than few million year old. /sup 10/Be and /sup 9/Be Kds decrease from surface to bottom (3333 to 48 and 727 to 393, respectively) expressing the strong leaching effect of the solid material by the geothermal waters. This process is more active at depth where pH is <5.3 and salinity high (approx. =25%). Compared to other natural systems, Salton Sea Geothermal fluids are strongly enriched in /sup 10/Be and /sup 9/Be. Finally, contamination has been observed in the fluids samples and we developed a tool that is helping in detecting which samples are contaminated.

Valette-Silver, N.J.

1988-06-01T23:59:59.000Z

431

Overview of Geothermal Energy Development  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Geothermal Energy Geothermal Energy Development Kermit Witherbee Geothermal Geologist/Analyst DOE Office of Indian Energy Webcast: Overview of Geothermal Energy Development Tuesday, January 10, 2012 Geothermal Geology and Resources Environmental Impacts Geothermal Technology - Energy Conversion Geothermal Leasing and Development 2 PRESENTATION OUTLINE GEOTHERMAL GEOLOGY AND RESOURCES 3 Geology - Plate Tectonics 4 Plate Tectonic Processes Schematic Cross-Section "Extensional" Systems- "Rifting" Basin and Range Rio Grand Rift Imperial Valley East Africa Rift Valley "Magmatic" Systems Cascade Range 6 Geothermal Resources(USGS Fact Sheet 2008-3062) 7 State Systems

432

Geological and geophysical analysis of Coso Geothermal Exploration Hole No. 1 (CGEH-1), Coso Hot Springs KGRA, California  

DOE Green Energy (OSTI)

The Coso Geothermal Exploration Hole number one (CGEH-1) was drilled in the Coso Hot Springs KGRA, California, from September 2 to December 2, 1977. Chip samples were collected at ten foot intervals and extensive geophysical logging surveys were conducted to document the geologic character of the geothermal system as penetrated by CGEH-1. The major rock units encountered include a mafic metamorphic sequence and a leucogranite which intruded the metamorphic rocks. Only weak hydrothermal alteration was noted in these rocks. Drillhole surveys and drilling rate data indicate that the geothermal system is structurally controlled and that the drillhole itself was strongly influenced by structural zones. Water chemistry indicates that this geothermal resource is a hot-water rather than a vapor-dominated system. Several geophysical logs were employed to characcterize the drillhole geology. The natural gamma and neutron porosity logs indicate gross rock type and the accoustic logs indicate fractured rock and potentially permeable zones. A series of temperature logs run as a function of time during and after the completion of drilling were most useful in delineating the zones of maximum heat flux. Convective heat flow and temperatures greater than 350/sup 0/F appear to occur only along an open fracture system encountered between depths of 1850 and 2775 feet. Temperature logs indicate a negative thermal gradient below 3000 feet.

Galbraith, R.M.

1978-05-01T23:59:59.000Z

433

Geological, Geophysical, And Thermal Characteristics Of The Salton Sea Geothermal Field, California  

DOE Green Energy (OSTI)

The Salton Sea Geothermal Field is the largest water-dominated geothermal field in the Salton Trough in Southern California. Within the trough, local zones of extension among active right-stepping right-lateral strike-slip faults allow mantle-derived magmas to intrude the sedimentary sequence. The intrusions serves as heat sources to drive hydrothermal systems. We can characterize the field in detail because we have an extensive geological and geophysical data base. The sediments are relatively undeformed and can be divided into three categories as a function of depth: (1) low-permeability cap rock, (2) upper reservoir rocks consisting of sandstones, siltstones, and shales that were subject to minor alterations, and (3) lower reservoir rocks that were extensively altered. Because of the alteration, intergranular porosity and permeability are reduced with depth. permeability is enhanced by renewable fractures, i.e., fractures that can be reactivated by faulting or natural hydraulic fracturing subsequent to being sealed by mineral deposition. In the central