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Geothermal wells


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  • Sources

    • found: Work cat: LASL uses oil drilling techniques to create geothermal well system in deep, hot dry rock, 1977.
    • found: New York State Department of Environmental Conservation WWW home page, Aug. 19, 2016search: Glossary of technical terms (Geothermal well: A well drilled to explore for or produce natural heat found in underground hydrothermal, geopressured, or hot dry rock reservoirs)
    • found: California. Division of Oil and Gas. Drilling and operating geothermal wells in California, 1990:p. 21 (Geothermal well -- Any well for the discovery of geothermal resources or any wells on lands producing geothermal resources or reasonably presumed to contain geothermal resources; or any special well, converted producing well, or reactivated or converted abandoned well employed for reinjecting geothermal resources or the residue thereof)
    • found: U.S. Office of Energy Efficiency and Renewable Energy WWW home page, Aug. 19, 2016renewables/geothermal/news (EERE success story---Geothermal wells: advancing the technology. ... Geothermal resources are reservoirs of hot water that exist at varying temperatures and depths below the Earth's surface. Wells 1 mile deep or more can be drilled into underground reservoirs to tap steam and very hot water that can be brought to the surface for use in a variety of applications, including renewable power generation)
    • found: Finger, J. Handbook of best practices for geothermal drilling, 2010:abstr. (This handbook is a description of the complex process that comprises drilling a geothermal well) page 26 (Because geothermal wells produce a relatively low-value fluid---hot water or steam---flow rates must be much higher (often >100,000 kg/hr) than for oil and gas wells, and geothermal wells produce directly from the reservoir into the casing, instead of through production tubing inside casing as in most oil wells. ... Finally, many lower-temperature geothermal wells are not self-energized and must be pumped, either with line-shaft pumps driven from the surface or with downhole submersible pumps (and so the well's design must allow for pump removal))
  • LC Classification

    • TJ280.75.G46
  • Change Notes

    • 2016-08-19: new
    • 2016-11-09: revised
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