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  • All fields: state-of-the-art
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    • Subsurface investigations at the Roosevelt KGRA, Utah. Final report

    • GEOTHERMAL ENERGY; GEOTHERMAL WELLS; FLOW MODELS; TESTING; ROOSEVELT HOT SPRINGS; GEOTHERMAL EXPLORATION; COMPUTER CODES; ECONOMIC ANALYSIS; FIELD TESTS; FLOW RATE; KGRA; OPTIMIZATION; PRESSURE DROP; PRODUCTIVITY; TWO-PHASE FLOW; UTAH; ECONOMICS;...
    • An investigation of the geothermal reservoir in the Roosevelt Hot Springs Known Geothermal Resource Area in Utah was carried out. The objective of this effort was to develop predictions for well production capacities, based on data taken during...
    • Geothermal Downwell Pump Reliability: State-of-the-Art Assessment

    • GEOTHERMAL ENERGY; LINESHAFT PUMPS; DOWNWELL PUMPS; BINARY SYSTEMS; DATA BASES; BEARING WEAR; PUMP FAILURE; PUMP TYPE; PUMP TECHNOLOGY; RELIABILITY; TESTING
    • Downwell pumps offer significant advantages for the production and conversion of geothermal energy resources: suppression of scale formation caused by release of dissolved CO2, increased heat for electricity conversion in binary power systems, and...
    • State-of-the-Art Review of Geothermal Reservoir Modelling

    • GEOTHERMAL ENERGY; GEOTHERMAL SYSTEMS; MATHEMATICAL MODELS; RESERVOIR ENGINEERING; ENERGY BALANCE; EQUATIONS; FRACTURES; MASS BALANCE; NUMERICAL SOLUTION; POROUS MATERIALS; REVIEWS; THREE-DIMENSIONAL CALCULATIONS; TWO-DIMENSIONAL CALCULATIONS;...
    • The state-of-the-art in geothermal reservoir modelling is summarized and evaluated. Only those models which have been developed exclusively for geothermal simulation are considered. Attention is focused primarily on the two and three dimensional...
    • Instruments for Subsurface Monitoring of Geothermal Subsidence

    • GEOTHERMAL ENERGY; GEOTHERMAL FIELDS; GROUND SUBSIDENCE; MEASURING INSTRUMENTS; ELECTRONIC CIRCUITS; HIGH TEMPERATURE; MONITORING; PROBES; RECORDING SYSTEMS; SEALS; TRANSDUCERS
    • The requirements for a subsurface geothermal subsidence instrument were reviewed. Available instruments for monitoring subsurface displacements, both vertical and horizontal, were studied and the most capable instruments identified. Techniques and...
    • Interactive Fracture Design Model

    • GEOTHERMAL ENERGY; GEOTHERMAL SYSTEMS; HYDRAULIC FRACTURING; COMPUTER CODES; MATHEMATICAL MODELS; FRACTURED RESERVOIRS; FRACTURING; GEOTHERMAL FLUIDS; TEMPERATURE DEPENDENCE; WELL
    • A computer program is described that can be used to design a fracture stimulation treatment for a geothermal reservoir. The program uses state-of-the-art methods to calculate the temperature of the fracture fluid as a function of time and distance...
    • State of the Art Waste Heat Utilization for Agriculture and Aquaculture

    • AGRICULTURE; AQUACULTURE; WASTE HEAT UTILIZATION; GREENHOUSES; LIVESTOCK WASTE; SOIL WARMING; FROST PROTECTION; IRRIGATION; CROP DRYING; FOOD PROCESSING; CASE STUDIES; CASE HISTORIES; OYSTERS; MUSSELS; CLAMS; SCALLOPS; ABALONE; LOBSTERS; PENAEID...
    • A state-of-the-art assessment of research, demonstration, and commercial projects that involve the use of power plant condenser cooling water for agricultural and aquacultural purposes was conducted. Information was obtained from published...
    • Direct Utilization Technology, State-of-the-Art

    • Geothermal energy; standard equipment; production well; flow diagram; injection well; heat exchanger; piping; Government Camp; Oregon
    • This paper is intended to convey some ideas as to how a geothermal project develops, and to point out considerations that lead to the selection of the actual hardware. Today’s “state-of-the-art” provides a wide variety of materials and equipment...
    • Geothermal Pipeline

    • Meeting Announcement; Geothermal Energy; Zinc Recovery; Nevada; Mineral; Sandia; Patents; Virginia; Heat Pumps; Washington; China; Costa Rica
    • European Geothermal Conference, Basel, Switzerland, September 20-30, 1999 Co-sponsored by the German and Swiss Geothermal Association, Geothermal Conference, Basel '99 will be held at the Kongresszentrum Messe Basel. The purpose of the conference...
    • Bath: A World Heritage Site

    • History; Bath, United Kingdom; Spas; United Kingdom; Geothermal Energy; World Heritage Sites; Resorts; Renovation
    • In the spring 2001, the naturally occurring thermal springs of Bath southeast of Bristol, England, a World Heritage Site, will be home to a state-of-the-art new Spa, and public bathing will once more be available–for the first time since 1978. But,...
    • New Greenhouses in Klamath Falls

    • Klamath Falls, Oregon; Greenhouses; Seedlings; Geothermal Energy; District Heating; Controls; Under Bench
    • A state-of-the-art 50,000-sq ft greenhouse, heated by geothermal energy, was recently put into operation in Klamath Falls, Oregon. The greenhouse, which uses technology that has long helped Canada dominate the market for tree seedlings is operated...

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