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Advanced Binary Geothermal Power Plancts Working Fluid Property Determination and Heat Exchanger Design

Description: The performance of binary geothermal power plants can be improved through the proper choice of a working fluid, and optimization of component designs and operating conditions. This paper reviews the investigations at the Idaho National Engineering Laboratory (INEL) which are examining binary cycle performance improvements: for moderate temperature (350 to 400 F) resources with emphasis on how the improvements may be integrated into design of binary cycles. These investigations are examining per… more
Date: March 21, 1989
Creator: Bliem, C.J. & Mines, G.L.
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Aspects of the Kalina technology applied to geothermal power production

Description: This report contains the results of studies conducted at the Idaho National Engineering Laboratory (INEL) concerning the applicability of the Kalina technology to geothermal (hydrothermal) power production. This report represents a correction and addition to that report. The Heat Cycle Research Program (HCRP) has as its primary goal the cost-effective production of electric power from moderate temperature hydrothermal resources. Recent work has included the study of supercritical cycles with co… more
Date: September 21, 1989
Creator: Bliem, C.J.
Item Type: Refine your search to only Report
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Comments on Reservoir Technology, DOE PR VII, San Francisco, March 23, 1989

Description: My assignment is to give feedback on the Reservoir Technology Task portion of the DOE-sponsored work we've been hearing about. Briefly, you've done well in adapting to an increasingly tough budgetary and political environment. More specifically, I'd like to highlight some of the encouraging developments in the context of overall research strategy. Ted Mock on Tuesday and Ken Nemzer at yesterday's luncheon made several useful observations and I'd like to refer to just two in relation to Reservoi… more
Date: March 21, 1989
Creator: Barker, B.J.
Item Type: Refine your search to only Article
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Critique of Drilling & Completion Areas

Description: I am pleased with the research support provided by DOE, as it has resulted in products that are in use today, which reduce our cost of producing energy. Since we must compete in the energy market against other energy sources, such as coal, we needed to be cost competitive with these other sources. Research on these competitive sources will lower their costs in the future. We need to progress in our research to remain competitive. One question is whether the current DOE program will continue to … more
Date: March 21, 1989
Creator: Pye, Stephen
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Critique of "Fluid Production" R&D for Geothermal Program Review VII

Description: The stated goal of Geothermal Technology Division (GTD's) research program is to provide technical solutions required to establish all forms of this resource as long-term competitive energy alternatives. Especially at a time when the research budget is relatively small and competitive energy alternatives are relatively cheap, the emphasis on achieving tangible economic benefits through research is appropriate. In the case of a new technology such as tapping magma energy, it is too early to fine… more
Date: March 21, 1989
Creator: Verity, Robert V.
Item Type: Refine your search to only Article
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Deep Borehole Measurements for Characterizing the Magma/Hydrothermal System at Long Valley Caldera, CA

Description: The Magma Energy Program of the Geothermal Technology Division is scheduled to begin drilling a deep (6 km) exploration well in Long Valley Caldera, California in 1989. The drilling site is near the center of the caldera which is associated with numerous shallow (5-7 km) geophysical anomalies. This deep well will present an unparalleled opportunity to test and validate geophysical techniques for locating magma as well as a test of the theory that magma is still present at drillable depths withi… more
Date: March 21, 1989
Creator: Carrrigan, Charles R.
Item Type: Refine your search to only Article
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The Development of the Geopressured Resource: A Status Report

Description: As a response to the America's need for alternate energy sources, the US Department of Energy has a Geothermal Program. Within this program is a category to study Geopressured Energy. Today many activities are taking place under the Geopressured Program. These activities for the most part fall under one of the following categories: Well Operations, Geoscience and Engineering Support and Energy Conversion. To date this program has had many successes. However, there is still more information need… more
Date: March 21, 1989
Creator: Taylor, Kenneth J.
Item Type: Refine your search to only Article
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Developments in Geothermal Waste Treatment Biotechnology

Description: Extensive laboratory studies have indicated that the application of biochemical processes in the development of biotechnology suitable for conversion of geothermal wastes from hazardous to non-hazardous materials is technically and economically feasible. These studies have also shown that such biotechnology may require bioreactors capable of handling different amounts and types of residual sludges. Particular attention has to be paid to the duration of treatment, efficiency of cycling, and main… more
Date: March 21, 1989
Creator: Premuzic, Eugene T. & Lin, Mow S.
Item Type: Refine your search to only Article
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DOE Research and Development for the Geothermal Marketplace

Description: This audience is well aware that the major goal of all geothermal R&D is the successful application of advanced technology in the marketplace. In support of that goal, the Geothermal Technology Division has forged a close link between its research objectives and potentially competitive market applications. Our technical objectives are all expressed in quantified reductions in the cost of geothermal power; these cost reductions are the force that will drive the geothermal industry for the fo… more
Date: March 21, 1989
Creator: Mock, John E.
Item Type: Refine your search to only Article
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Drilling Operations Plan for the Magma Energy Exploratory Well

Description: This paper is a summary of the proposed drilling plan for the first phase (to 2500 feet depth) of the Magma Energy Exploratory Well. The drilling program comprises four phases, spaced approximately one year apart, which culminate in a large-diameter well to a total depth near 20,000 feet. Included here are descriptions of the well design, predictions of potential drilling problems, a list of restrictions imposed by regulatory agencies, an outline of Sandia's management structure, and an explana… more
Date: March 21, 1989
Creator: Finger, John T.; Livesay, Bill J. & Ash, Don
Item Type: Refine your search to only Article
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Geothermal Direct Use Engineering and Design Guidebook Available for an Expanding Market

Description: The Geothermal direct use industry potential, growth trends, needs, and how they are being met, are addressed. The high potential for industry growth, coupled with a rapidly expanding use of geothermal energy for direct use, and concerns over the greenhouse effect is the setting in which a new engineering and design guidebook is being issued to support the growth of the geothermal direct use industry. Recent investigations about the current status of the industry and the identification of techn… more
Date: March 21, 1989
Creator: Lunis, Ben C. & Lienau, Paul J.
Item Type: Refine your search to only Article
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Geothermal Field Case Studies that Document the Usefulness of Models in Predicting Reservoir and Well Behavior

Description: The geothermal industry has shown significant interest in case histories that document field production histories and demonstrate the techniques which work best in the characterization and evaluation of geothermal systems. In response to this interest, LBL has devoted a significant part of its geothermal program to the compilation and analysis of data from US and foreign fields (e.g., East Mesa, The Geysers, Susanville, and Long Valley in California; Klamath Fall in Oregon; Valles Caldera, New … more
Date: March 21, 1989
Creator: Lippmann, Marcelo J.
Item Type: Refine your search to only Article
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Geothermal Prospects in a Shrinking Power Surplus

Description: The western power surplus is finite and electric load growth is persistent. Concerns about availability and environmental effects will overshadow life-cycle cost in selection of tomorrow's sources. Geothermal's growth and achievements qualify it as a preferred resource for the 1990s and beyond but its merits remain largely unknown in political and financial circles. Near-term needs include power sales contracts after 1990, improved comfort for banks and utilities with reservoir assessment techn… more
Date: March 21, 1989
Creator: Geyer, John D.
Item Type: Refine your search to only Article
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GTO-DOE/Industry Cost Shared Research; Microseismic Characterization and Monitoring in Geothermal Systems

Description: The application of passive seismic studies in geothermal regions have undergone significant changes in the last 15 years. The primary application is now in the monitoring of subsurface processes, rather than exploration. A joint Geothermal Technology Organization (GTO) industry/DOE, monitoring project involving GEO, Unocal Geothermal, and LBL, was carried out at The Geysers geothermal field in northern California using a special high frequency monitoring system. This several-month-long experime… more
Date: March 21, 1989
Creator: Majer, E. L.
Item Type: Refine your search to only Article
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Hot Dry Rock Geothermal Reservoir Model Development at Los Alamos

Description: Discrete fracture and continuum models are being developed to simulate Hot Dry Rock (HDR) geothermal reservoirs. The discrete fracture model is a two-dimensional steady state simulator of fluid flow and tracer transport in a fracture network which is generated from assumed statistical properties of the fractures. The model's strength lies in its ability to compute the steady state pressure drop and tracer response in a realistic network of interconnected fractures. The continuum approach models… more
Date: March 21, 1989
Creator: Robinson, Bruce A. & Birdsell, Stephen A.
Item Type: Refine your search to only Article
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Hot Dry Rock Overview at Los Alamos

Description: The Hot Dry Rock (HDR) geothermal energy program is a renewable energy program that can contribute significantly to the nation's balanced and diversified energy mix. Having extracted energy from the first Fenton Hill HDR reservoir for about 400 days, and from the second reservoir for 30 days in a preliminary test, Los Alamos is focusing on the Long Term Flow Test and reservoir studies. Current budget limitations have slowed preparations thus delaying the start date of that test. The test is pla… more
Date: March 21, 1989
Creator: Berger, Michael & Hendron, Robert H.
Item Type: Refine your search to only Article
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Hydrothermal pretreatment of coal

Description: We have examined changes in Argonne Premium samples of Wyodak coal following 30 min treatment in liquid water at autogenous pressures at 150{degrees}, 250{degrees}, and 350{degrees}C. In most runs the coal was initially dried at 60{degrees}C/1 torr/20 hr. The changes were monitored by pyrolysis field ionization mass spectrometry (py-FIMS) operating at 2.5{degrees}C/min from ambient to 500{degrees}C. We recorded the volatility patterns of the coal tars evolved over that temperature range, and in… more
Date: December 21, 1989
Creator: Ross, David S.
Item Type: Refine your search to only Report
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Hydrothermal Pretreatment of Coal. Quarterly Report No. 1, September 21--December 15, 1989

Description: We have examined changes in Argonne Premium samples of Wyodak coal following 30 min treatment in liquid water at autogenous pressures at 150{degrees}, 250{degrees}, and 350{degrees}C. In most runs the coal was initially dried at 60{degrees}C/1 torr/20 hr. The changes were monitored by pyrolysis field ionization mass spectrometry (py-FIMS) operating at 2.5{degrees}C/min from ambient to 500{degrees}C. We recorded the volatility patterns of the coal tars evolved over that temperature range, and in… more
Date: December 21, 1989
Creator: Ross, David S.
Item Type: Refine your search to only Report
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Interagency Geothermal Coordinating Council Annual Report for Fiscal Year 1989 Draft

Description: The U.S. Interagency Geothermal Coordinating Council was a multi-agency group charged with identifying and reducing barriers to geothermal energy development in the U.S. Many of the issues covered related to regulations for and progress in the leasing of Federal lands in the West for power development. The IGCC reports are important sources of historical information. Table 1 lists significant events in the history of use of geothermal energy in the U.S., starting in1884. That is useful for trac… more
Date: November 21, 1989
Item Type: Refine your search to only Report
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International Impacts of Global Climate Change: Testimony to House Appropriations Subcommittee on Foreign Operations, Export Financing and Related Programs

Description: International impacts of global climate change are those for which the important consequences arise because of national sovereignty. Such impacts could be of two types: (1) migrations across national borders of people, of resources (such as agricultural productivity, or surface water, or natural ecosystems), of effluents, or of patterns of commerce; and (2) changes to the way nations use and manage their resources, particularly fossil fuels and forests, as a consequence of international concern… more
Date: February 21, 1989
Creator: Fulkerson, W.; Cushman, R.M.; Marland, G. & Rayner, S.
Item Type: Refine your search to only Report
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Letter report (T-418): Progress report on solubility measurements, October 1, 1987--September 30, 1988

Description: This letter report describes the technical activities of the waste element solubility study during Fiscal Year (FY88, October 1, 1987 to September 30, 1988). This experimental waste element solubility study provides experimentally determined limits on radionuclide concentrations in groundwater from Yucca Mountain. Furthermore, the results of this study are essential for verifying the validity of radionuclide transport calculations, and for providing the maximum concentrations for the radionucli… more
Date: March 21, 1989
Creator: Nitsche, H.
Item Type: Refine your search to only Report
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Magma Energy Overview and Status Report

Description: Up to 500,000 Quads of thermal energy are believed to be contained in crustal magma bodies within the U.S. at temperatures in excess of 600 C and at depths less than 10 km. Scientific feasibility of utilizing this energy resource was concluded after a seven-year study that culminated in successful energy extraction experiments in molten rock at Kilauea Iki lava lake. The current DOE program is developing technology to experimentally extract energy from a silicic magma body so that engineering f… more
Date: March 21, 1989
Creator: Dunn, James C.
Item Type: Refine your search to only Article
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