Drill-pipe severing tool with high-temperature explosive

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Description

A special-purpose borehole explosive tool designed to meet a need of the Los Alamos National laboratory Hot Dry Rock (HDR) Geothermal Energy Development Program is described. This tool's particular purpose is to sever stuck drill pipe in deep (> 4500 m), hot (> 320/sup 0/C), water-filled wellbores. No commercial severing tools are known to us that can be operated at temperatures above 260/sup 0/C.

Physical Description

Pages: 12

Creation Information

Koczan, S.P.; Patterson, W.W. & R.H., Rochester. August 1, 1982.

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Description

A special-purpose borehole explosive tool designed to meet a need of the Los Alamos National laboratory Hot Dry Rock (HDR) Geothermal Energy Development Program is described. This tool's particular purpose is to sever stuck drill pipe in deep (> 4500 m), hot (> 320/sup 0/C), water-filled wellbores. No commercial severing tools are known to us that can be operated at temperatures above 260/sup 0/C.

Physical Description

Pages: 12

Notes

NTIS, PC A02/MF A01.

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  • Other Information: Portions of document are illegible

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Identifier

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  • Other: DE82021839
  • Report No.: LA-9483-MS
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/5093575 | External Link
  • Office of Scientific & Technical Information Report Number: 5093575
  • Archival Resource Key: ark:/67531/metadc1060447

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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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Creation Date

  • August 1, 1982

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

Description Last Updated

  • Feb. 1, 2018, 7:04 p.m.

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Koczan, S.P.; Patterson, W.W. & R.H., Rochester. Drill-pipe severing tool with high-temperature explosive, report, August 1, 1982; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1060447/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.