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U.S. Geological Survey Fact Sheet 2012–3050

Reserve Growth Assessment Fact Sheet

Assessment of Remaining Recoverable Oil in Selected Major Oil Fields of the San Joaquin Basin, California

By Marilyn E. Tennyson, Troy A. Cook, Ronald R. Charpentier, Donald L. Gautier, Timothy R. Klett, Mahendra K. Verma, Robert T. Ryder, Emil D. Attanasi, Philip A. Freeman, and Phoung A. Le

Thumbnail of and link to report PDF (893 kB)Summary

The U.S. Geological Survey (USGS) recently completed an estimate of volumes of technically recoverable, conventional oil that could eventually be added to reserves in nine selected major oil fields in the San Joaquin Basin in central California. The mean total volume of potential oil reserves that might be added in the nine fields using improved oil-recovery technologies was estimated to be about 6.5 billion barrels of oil.

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For additional information:
Contact Information, Energy Resources Program
U.S. Geological Survey
12201 Sunrise Valley Drive
National Center, MS 913
Reston, VA 20192

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Suggested citation:

Tennyson, M.E., Cook, T.A., Charpentier, R.R., Gautier, D.L., Klett, T.R., Verma, M.K., Ryder, R.T., Attanasi, E.D., Freeman, P.A., and Le, P.A., 2012, Assessment of remaining recoverable oil in selected major oil fields of the San Joaquin Basin, California: U.S. Geological Survey Fact Sheet 2012–3050, 2 p., available at

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