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    • Deposition of CaCO/sub 3/ in porous materials by flashing geothermal fluid

    • GEOTHERMAL ENERGY; CALCIUM CARBONATES; DEPOSITION; GEOTHERMAL FLUIDS; FLASHING; ARAGONITE; CALCITE; CARBON DIOXIDE; CHEMICAL COMPOSITION; CRYSTAL GROWTH; FLOW RATE; POROSITY; POROUS MATERIALS; SCALING; WATER; ALKALINE EARTH METAL COMPOUNDS; CALCIUM...
    • Deposition of CaCO/sub 3/ from natural geothermal fluid was studied by using porous substrates made from several granular materials. These experiments aimed to explore connections between the process of steam flash from superheated CO/sub...
    • Transient well testing in two-phase geothermal reservoirs

    • GEOTHERMAL ENERGY; GEOTHERMAL WELLS; TESTING; CERRO PRIETO GEOTHERMAL FIELD; DRAWDOWN; FLOW RATE; FLUID INJECTION; FRACTURES; GEOTHERMAL SYSTEMS; HAWAII; HEAT TRANSFER; HOT-WATER SYSTEMS; HYDROLOGY; INJECTION WELLS; PERMEABILITY; POROSITY;...
    • A study of well test analysis techniques in two-phase geothermal reservoirs has been conducted using a three-dimensional, two-phase, wellbore and reservoir simulation model. Well tests from Cerro Prieto and the Hawaiian Geothermal project have been...
    • Geothermal Loan Guaranty Program and its impact on geothermal exploration and development

    • GEOTHERMAL ENERGY; ENERGY PLANNING, POLICY AND ECONOMY; FINANCIAL ASSISTANCE; ECONOMIC IMPACT; GEOTHERMAL ENERGY; ENERGY SOURCE DEVELOPMENT; GEOTHERMAL INDUSTRY; DECISION MAKING; FINANCING; LAND LEASING; LEGISLATION; SURVEYS; ENERGY; ENERGY...
    • The study showed that the Geothermal Loan Guaranty Program has had only a negligible effect on geothermal development and the response to the program was far less than expected. The streamlining of environmental regulations and leasing policies,...
    • Geothermal power plant investment decisions. Interim report, June 1-November 30, 1979

    • GEOTHERMAL ENERGY; GEOTHERMAL POWER PLANTS; DECISION MAKING; INVESTMENT; CAPITAL; COMPUTERIZED SIMULATION; ELECTRIC UTILITIES; FINANCING; INSURANCE; LEASING;-03KETING; PAYBACK PERIOD; PLANNING; REGULATIONS; RISK ASSESSMENT; TAXES; POWER PLANTS;...
    • Investment decisions for financing the construction of geothermal power plants are discussed. Discussed here are the investment objectives of investor-owned electric utilities, municipal electric utilities, and potential third party financiers as...
    • Utilization of geothermal energy in the mining and processing of tungsten ore: Quarterly report

    • GEOTHERMAL ENERGY; GEOTHERMAL PROCESS HEAT; ECONOMIC ANALYSIS; TECHNOLOGY ASSESSMENT; ORE PROCESSING; CALIFORNIA; DATA ANALYSIS; ENERGY CONSUMPTION; ENVIRONMENTAL IMPACTS; FEASIBILITY STUDIES; GEOPHYSICAL SURVEYS; GEOTHERMAL RESOURCES; HEAT...
    • The status of the engineering and economic feasibility study of utilizing geothermal energy for the mining and processing of tungsten ore at the Union Carbide-Metals Division Pine Creek tungsten complex near Bishop, Calfironia is reviewed. Results...
    • Utilization of geothermal energy in the mining and processing of tungsten ore: Final report

    • GEOTHERMAL ENERGY; GEOTHERMAL PROCESS HEAT; ECONOMICS; ENVIRONMENTAL IMPACTS; FEASIBILITY STUDIES; GEOTHERMAL SPACE HEATING; GEOTHERMAL WATER HEATING; ORE PROCESSING; TUNGSTEN; MINING; AESTHETICS; AIR QUALITY; AQUIFERS; ARCHAEOLOGICAL SITES;...
    • The engineering, economic, and environmental feasibility of the use of low and moderate temperature geothermal heat in the mining and processing of tungsten ore is explored. The following are covered: general engineering evaluation, design of a...
    • Geothermal Modeling of the Raft River Geothermal Field

    • GEOTHERMAL ENERGY; RAFT RIVER VALLEY; GEOCHEMICAL SURVEYS; GEOLOGIC MODELS; CALCIUM COMPOUNDS; CHEMICAL COMPOSITION; CHLORIDES; FLUORIDES; GEOCHEMISTRY; GEOTHERMAL FIELDS; GEOTHERMAL GRADIENTS; HEAT FLOW; KGRA; LITHIUM; STRONTIUM; THERMAL ANALYSIS;...
    • The results to date of chemical modeling of the Raft River KGRA are presented. Earlier work indicated a northwest-southeast anomaly in the contours. Modeling techniques applied to more complete data allowed further definition of the anomaly. Models...
    • Atlantic coastal plain geothermal test holes, New Jersey: Hole completion reports

    • GEOTHERMAL ENERGY; EXPLORATORY WELLS; DATA; GEOTHERMAL WELLS; WELL DRILLING; NEW JERSEY; ATLANTIC OCEAN; BOREHOLES; COASTAL REGIONS; ENVIRONMENTAL IMPACTS; HEAT FLOW; LAND LEASING; LICENSING; SITE PREPARATION; SITE SELECTION; STRATIGRAPHY;...
    • A description of the Atlantic Coastal Plains Geothermal Drilling Program and data for the following Geothermal test holes drilled in New Jersey are summarized: Site No. 40, Fort Monmouth; Site No. 41, Sea Girt; Site No. 39-A, Forked River; Site No....
    • Basic research needed for the development of geothermal energy

    • GEOTHERMAL ENERGY; GEOTHERMAL ENERGY; INFORMATION NEEDS; ENERGY SOURCE DEVELOPMENT; GEOTHERMAL EXPLORATION; HEAT FLOW; HEAT TRANSFER; HYDROTHERMAL SYSTEMS; OCEANIC CRUST; RESEARCH PROGRAMS; ROCK MECHANICS; ROCK-FLUID INTERACTIONS; EARTH CRUST;...
    • Basic research needed to facilitate development of geothermal energy is identified. An attempt has been made to make the report representative of the ideas of productive workers in the field. The present state of knowledge of geothermal energy is...
    • Geothermal direct applications hardware systems development and testing: 1979 summary report

    • GEOTHERMAL ENERGY; ALCOHOLS; DISTILLATION; ESSENTIAL OILS; GEOTHERMAL AIR CONDITIONING; TESTING; GEOTHERMAL PROCESS HEAT; RESEARCH PROGRAMS; GEOTHERMAL SPACE HEATING; POTATOES; DRYING; ABSORPTION REFRIGERATION CYCLE; FLUIDIZED BED; IDAHO; RAFT...
    • Activities performed during calendar year 1979 for the hardware system development and testing task are presented. The fluidized bed technology was applied to the drying of potato by-products and to the exchange of heat to air in the space heating...
    • Simulation of geothermal subsidence

    • GEOTHERMAL ENERGY; GROUND SUBSIDENCE; MATHEMATICAL MODELS; DEFORMATION; FINITE ELEMENT METHOD; FLOW MODELS; GEOTHERMAL FIELDS; GEYSERS GEOTHERMAL FIELD; HEAT FLOW; MASS TRANSFER; RECOMMENDATIONS; REINJECTION; REVIEWS; SIMULATION; THREE-DIMENSIONAL...
    • The results of an assessment of existing mathematical models for subsidence simulation and prediction are summarized. The following subjects are discussed: the prediction process, physical processes of geothermal subsidence, computational models...

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