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Temperature
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DESIGN
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GEOTHERMAL ENERGY
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WELLS
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An extensive literature search was made to locate technical publications and computer programs relating to wellbore temperatures during drilling operations. The search confirmed the need for knowledge ...
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The present status of the formation temperature gauge feasibility study is reported. It also demonstrates the feasibility of the technique in the simplified situations examined to date both analytically ...
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3. [Image] Annual Report on the Project to Design and Experimentally Test an Improved Geothermal Drill Bit
Progress is reported in a research and development program to design, build, and test an improved geothermal drill bit. The major tasks of the Phase I effort are entitled: failure mechanisms of existing ...Citation -
The development and testing of seals and lubricants for journal-type roller-cone rock bits for drilling into geothermal reservoirs at temperatures over 260/sup 0/C (500/sup 0/F) are described. The conditions ...
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Progress in an experimental and analytical research program to evaluate and improve the design of downhole heat exchangers (DHEs) for direct applications of geothermal energy is reported. Significant progress ...
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The design and development of a tool for collecting fluid samples from hot, deep geothermal boreholes are discussed. This tool has performed satisfactorily in the field at downhole temperatures of 200/sup ...
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7. [Image] Hot Dry Rock Geothermal Energy Development Project: Cablehead Assembly, Equipment Development Report
The development, design, and service history of a multiconductor cablehead capable of operation at 275/sup 0/C and 103 MPa (15,000 psi) are discussed. This high-temperature cablehead has been in service ...Citation -
The potential for direct (non-electric) utilization of local-gradient geothermal energy in six Alaskan towns is summarized. A major objective of this study was to stimulate development and Use of the geothermal ...
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