Sensitivity of CO2 migration estimation on reservoir temperature and pressure uncertainty

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The density and viscosity of supercritical CO{sub 2} are sensitive to pressure and temperature (PT) while the viscosity of brine is sensitive primarily to temperature. Oil field PT data in the vicinity of WESTCARB's Phase III injection pilot test site in the southern San Joaquin Valley, California, show a range of PT values, indicating either PT uncertainty or variability. Numerical simulation results across the range of likely PT indicate brine viscosity variation causes virtually no difference in plume evolution and final size, but CO{sub 2} density variation causes a large difference. Relative ultimate plume size is almost directly proportional to ... continued below

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Jordan, Preston & Doughty, Christine November 1, 2008.

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The density and viscosity of supercritical CO{sub 2} are sensitive to pressure and temperature (PT) while the viscosity of brine is sensitive primarily to temperature. Oil field PT data in the vicinity of WESTCARB's Phase III injection pilot test site in the southern San Joaquin Valley, California, show a range of PT values, indicating either PT uncertainty or variability. Numerical simulation results across the range of likely PT indicate brine viscosity variation causes virtually no difference in plume evolution and final size, but CO{sub 2} density variation causes a large difference. Relative ultimate plume size is almost directly proportional to the relative difference in brine and CO{sub 2} density (buoyancy flow). The majority of the difference in plume size occurs during and shortly after the cessation of injection.

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  • Energy Procedia, GHGT9 Conference, Washington, DC, Nov. 16-20, 2008

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  • Report No.: LBNL-1541E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 948569
  • Archival Resource Key: ark:/67531/metadc899971

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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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  • November 1, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Sept. 29, 2017, 5:34 p.m.

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Jordan, Preston & Doughty, Christine. Sensitivity of CO2 migration estimation on reservoir temperature and pressure uncertainty, article, November 1, 2008; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc899971/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.