Los Alamos hot dry rock geothermal project

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The greatest potential for geothermal energy is the almost unlimited energy contained in the vast regions of hot, but essentially impermeable, rock within the first six or seven km of the Earth's crust. For the past five years, the Los Alamos Scientific Laboratory has been investigating and developing a practical, economical and environmentally acceptable method of extracting this energy. By early 1978, a 10 MW (thermal) heat extraction experiment will be in operation. In the Los Alamos concept, a man-made geothermal reservoir is formed by drilling into a region of suitably hot rock, and then creating within the rock a ... continued below

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Medium: P; Size: Pages: 26

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Brown, D.W. & Pettitt, R.A. January 1, 1977.

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Description

The greatest potential for geothermal energy is the almost unlimited energy contained in the vast regions of hot, but essentially impermeable, rock within the first six or seven km of the Earth's crust. For the past five years, the Los Alamos Scientific Laboratory has been investigating and developing a practical, economical and environmentally acceptable method of extracting this energy. By early 1978, a 10 MW (thermal) heat extraction experiment will be in operation. In the Los Alamos concept, a man-made geothermal reservoir is formed by drilling into a region of suitably hot rock, and then creating within the rock a very large surface for heat transfer by large-scale hydraulic-fracturing techniques. After a circulation loop is formed by drilling a second hole to intersect the fractured region, the heat contained in this reservoir is brought to the surface by the buoyant closed-loop circulation of water. The water is kept liquid throughout the loop by pressurization, thereby increasing the rate of heat transport up the withdrawal hole compared to that possible with steam.

Physical Description

Medium: P; Size: Pages: 26

Notes

Dep. NTIS, PC A03/MF A01.

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  • American Society of Civil Engineers annual convention, San Francisco, CA, USA, 17 Oct 1977

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  • Report No.: LA-UR-77-2028
  • Report No.: CONF-771027-2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5452614
  • Archival Resource Key: ark:/67531/metadc1066952

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • May 31, 2018, 12:36 p.m.

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Brown, D.W. & Pettitt, R.A. Los Alamos hot dry rock geothermal project, article, January 1, 1977; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1066952/: accessed August 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.