Advances in downhole sampling of high temperature solutions

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A fluid sampler capable of sampling hot and/or deep wells has been developed at Los Alamos National Laboratory. In collaboration with Leutert Instruments, an off-the-shelf sampler design was modified to meet gas-tight and minimal chemical reactivity/contamination specifications for use in geothermal wells and deep ocean drillholes. This downhole sampler has been routinely used at temperatures up to 300{degrees}C and hole depths of greater than 5 km. We have tested this sampler in various continental wells, including Valles Caldera VC-2a and VC-2b, German KTB, Cajon Pass, and Yellowstone Y-10. Both the standard commercial and enhanced samplers have also been used to ... continued below

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Medium: P; Size: Pages: (14 p)

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Bayhurst, G.K. & Janecky, D.R. January 1, 1991.

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Description

A fluid sampler capable of sampling hot and/or deep wells has been developed at Los Alamos National Laboratory. In collaboration with Leutert Instruments, an off-the-shelf sampler design was modified to meet gas-tight and minimal chemical reactivity/contamination specifications for use in geothermal wells and deep ocean drillholes. This downhole sampler has been routinely used at temperatures up to 300{degrees}C and hole depths of greater than 5 km. We have tested this sampler in various continental wells, including Valles Caldera VC-2a and VC-2b, German KTB, Cajon Pass, and Yellowstone Y-10. Both the standard commercial and enhanced samplers have also been used to obtain samples from a range of depths in the Ocean Drilling Project's hole 504B and during recent mid-ocean ridge drilling efforts. The sampler has made it possible to collect samples at temperatures and conditions beyond the limits of other tools with the added advantage of chemical corrosion resistance.

Physical Description

Medium: P; Size: Pages: (14 p)

Notes

OSTI; NTIS; GPO Dep.

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  • ETCE/severe conditions/high temperature drilling, Houston, TX (United States), 26-30 Jan 1992

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  • Other: DE92000217
  • Report No.: LA-UR-91-2974
  • Report No.: CONF-920135--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5073344
  • Archival Resource Key: ark:/67531/metadc1054281

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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, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 7 p.m.

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Bayhurst, G.K. & Janecky, D.R. Advances in downhole sampling of high temperature solutions, article, January 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1054281/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.