Geothermal well cements: current status of R and D and downhole testing

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Description

The status as of October 1981 of the program to develop and test geothermal well cementing materials. The program represents the most comprehensive and thorough examination of the geothermal cementing problem undertaken thus far. To date, 27 cements identified in an R and D phase of the program or supplied by industry have been evaluated in laboratory tests. Sixteen of these materials were selected for downhole investigations currently in progress in Mexico at Cerro Prieto. Data for 3 months exposures to flowing brine at 210{sup 0}C are available. Most of the cements continue to meet the strength and permeability acceptance ... continued below

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Pages: 17

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Kukacka, L.E. November 1, 1981.

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Description

The status as of October 1981 of the program to develop and test geothermal well cementing materials. The program represents the most comprehensive and thorough examination of the geothermal cementing problem undertaken thus far. To date, 27 cements identified in an R and D phase of the program or supplied by industry have been evaluated in laboratory tests. Sixteen of these materials were selected for downhole investigations currently in progress in Mexico at Cerro Prieto. Data for 3 months exposures to flowing brine at 210{sup 0}C are available. Most of the cements continue to meet the strength and permeability acceptance criteria. These results should be reassuring to operators who are using such slurries. Further evaluations are planned after 6 and 12 months exposures. Contingent upon these results, tests will be initiated at 350{sup 0}C. Since many of the cements were formulated specifically for use at temperatures above 300/sup 0/C, it is expected that significant property improvements may be observed as the downhole temperature is increased.

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Pages: 17

Notes

NTIS, PC A02/MF A01.

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  • International conference on geothermal energy, Florence, Italy, May 1982

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  • Other: DE82004779
  • Report No.: BNL-30348
  • Report No.: CONF-820506-2
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5281877
  • Archival Resource Key: ark:/67531/metadc1064065

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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

  • November 1, 1981

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 24, 2018, 11:58 a.m.

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Kukacka, L.E. Geothermal well cements: current status of R and D and downhole testing, article, November 1, 1981; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1064065/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.