Comparison of Two Hot Dry Rock Geothermal Reservoirs

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Two hot dry rock (HDR) geothermal energy reservoirs were created by hydraulic fracturing of granite at 2.7 t o 3.0 km (5000 to 10000 ft ) at the Fenton Hill site, near the Valles Caldera in northern New Mexico. Both reservoirs are research reservoirs, in the sense that both are fairly small, generally yielding 5 MWt or less, and are intended to serve as the basic building blocks of commercial-sized reservoirs, consisting of 10 t o 15 similar fractures that would yield approximately 35 MWt over a 10 to 20 yr period. Both research reservoirs were created in the same ... continued below

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272-278

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Murphy, H. D.; Tester, J. W. & Potter, R. M. December 16, 1980.

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  • Los Alamos National Laboratory
    Publisher Info: University of California, LANL (Los Alamos National Laboratory (LANL), Los Alamos, NM)
    Place of Publication: Los Alamos, New Mexico

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Description

Two hot dry rock (HDR) geothermal energy reservoirs were created by hydraulic fracturing of granite at 2.7 t o 3.0 km (5000 to 10000 ft ) at the Fenton Hill site, near the Valles Caldera in northern New Mexico. Both reservoirs are research reservoirs, in the sense that both are fairly small, generally yielding 5 MWt or less, and are intended to serve as the basic building blocks of commercial-sized reservoirs, consisting of 10 t o 15 similar fractures that would yield approximately 35 MWt over a 10 to 20 yr period. Both research reservoirs were created in the same well-pair, with energy extraction well number 1 (EE-1) serving as the injection well, and geothermal test well number 2 (GT-2) serving as the extraction, or production, well. Evaluation of the second reservoir was accomplished in two steps: (1) with a 23-day heat extraction experiment that began October 23, 1979, the results of which are described by Murphy (1980), and (2) a-second, longer-term heat extraction experiment still in progress, which as of November 25, 1980 has been in effect for 260 days. The results of this current experiment are compared with earlier experiments.

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272-278

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  • Proceedings, Sixth Workshop Geothermal Reservoir Engineering, Stanford University, Stanford, California, December 16-18, 1980

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  • Report No.: SGP-TR-50-37
  • Grant Number: AT03-80SF11459
  • Office of Scientific & Technical Information Report Number: 889200
  • Archival Resource Key: ark:/67531/metadc884540

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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.

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  • December 16, 1980

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 3, 2016, 11:38 a.m.

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Murphy, H. D.; Tester, J. W. & Potter, R. M. Comparison of Two Hot Dry Rock Geothermal Reservoirs, article, December 16, 1980; Los Alamos, New Mexico. (digital.library.unt.edu/ark:/67531/metadc884540/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.