Analysis of the response of geothermal reservoirs under injection and production procedures

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The response of a liquid-dominated geothermal reservoir to injection and production from a single well is studied. Different injection-production schemes are analyzed to explore how to minimize temporary cooling around the injection well and to optimize thermal recovery. The pressure response is also calculated, and found to be affected significantly by temperature-dependent viscosity variations. This will have implications on well-test methods for geothermal reservoirs. Vertical consolidation of the geothermal system during fluid withdrawal is also discussed, showing the need to establish previous stress history before attempting to predict the reservoir deformation. The transport of heat and fluid through a porous ... continued below

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Pages: 15

Creation Information

Lippmann, M.J.; Tsang, C.F. & Witherspoon, P.A. April 1, 1977.

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  • Lawrence Berkeley Laboratory
    Publisher Info: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
    Place of Publication: Berkeley, California

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Description

The response of a liquid-dominated geothermal reservoir to injection and production from a single well is studied. Different injection-production schemes are analyzed to explore how to minimize temporary cooling around the injection well and to optimize thermal recovery. The pressure response is also calculated, and found to be affected significantly by temperature-dependent viscosity variations. This will have implications on well-test methods for geothermal reservoirs. Vertical consolidation of the geothermal system during fluid withdrawal is also discussed, showing the need to establish previous stress history before attempting to predict the reservoir deformation. The transport of heat and fluid through a porous reservoir is computed using a numerical model. The one-dimensional consolidation theory of Terzaghi has been coupled to the heat and fluid flow to calculate reservoir compaction. No attempt is made of model chemical reactions or precipitation that might occur when waters of a different temperature and salinity are injected into the reservoir.

Physical Description

Pages: 15

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • 47. annual California regional meeting of the Society of Petroleum Engineers of AIME, Bakersfield, CA, USA, 13 Apr 1977

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  • Report No.: LBL-6328
  • Report No.: CONF-7704118-1
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5554535
  • Archival Resource Key: ark:/67531/metadc1093267

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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

  • April 1, 1977

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 3:37 p.m.

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Lippmann, M.J.; Tsang, C.F. & Witherspoon, P.A. Analysis of the response of geothermal reservoirs under injection and production procedures, article, April 1, 1977; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc1093267/: accessed November 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.