Hydrochemistry of selected parameters at the Raft River KGRA, Cassia County, Idaho

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Description

Low to moderate temperature (< 150/sup 0/C) geothermal fluids are being developed in the southern Raft River Valley of Idaho. Five deep geothermal wells ranging in depth from 4911 feet to 6543 feet (1490 to 1980 meters) and two intermediate depth (3858 feet or 1170 meters) injection wells have been drilled within the Raft River KGRA. Several shallower (1423-500 feet or 430-150 meters) wells have also been constructed to monitor the environmental effects of geothermal development of the shallower aquifer systems. Sampling of water from wells within the KGRA has been conducted since the onset of the project in 1974. ... continued below

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Pages: 126

Creation Information

Graham, D.L.; Ralston, D.R. & Allman, D.W. January 1, 1981.

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Description

Low to moderate temperature (< 150/sup 0/C) geothermal fluids are being developed in the southern Raft River Valley of Idaho. Five deep geothermal wells ranging in depth from 4911 feet to 6543 feet (1490 to 1980 meters) and two intermediate depth (3858 feet or 1170 meters) injection wells have been drilled within the Raft River KGRA. Several shallower (1423-500 feet or 430-150 meters) wells have also been constructed to monitor the environmental effects of geothermal development of the shallower aquifer systems. Sampling of water from wells within the KGRA has been conducted since the onset of the project in 1974. Five analytical laboratories have conducted analyses on waters from the KGRA. Charge-balance error calculations conducted on the data produced from these laboratories indicated that data from three laboratories were reliable while two were not. A method of equating all data was established by using linear regression analyses on sets of paired data from various laboratories. The chemical data collected from the deep geothermal wells indicates that a two reservoir system exists within the Raft River KGRA. Each reservoir is associated with a major structural feature. These features are known as the Bridge Fault System (BFS) and the Narrows Structure (NS).

Physical Description

Pages: 126

Notes

NTIS, PC A07/MF A01.

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  • Other Information: Portions of document are illegible

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  • Other: DE82014286
  • Report No.: DOE/ID/01638-1
  • Grant Number: AS07-76ID01638
  • DOI: 10.2172/5449572 | External Link
  • Office of Scientific & Technical Information Report Number: 5449572
  • Archival Resource Key: ark:/67531/metadc1069026

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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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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • March 28, 2018, 1:46 p.m.

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Graham, D.L.; Ralston, D.R. & Allman, D.W. Hydrochemistry of selected parameters at the Raft River KGRA, Cassia County, Idaho, report, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1069026/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.