Assessment of undiscovered oil and gas resources of the Volga-Ural Region Province, Russia and Kazakhstan, 2010

http://pubs.usgs.gov/fs/2010/3095/

We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 1.4 billion barrels of crude oil, 2.4 trillion cubic feet of natural gas, and 85 million barrels of natural gas liquids.

by Klett, Timothy R.; Schenk, Christopher J.; Charpentier, Ronald R.; Brownfield, Michael E.; Pitman, Janet K.; Cook, Troy A.; and Tennyson, Marilyn E.

U.S. Geological Survey Fact Sheet 2010-3095

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