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Fact Sheet 2012–3042

World Petroleum Resources Project

An Estimate of Undiscovered Conventional Oil and Gas Resources of the World, 2012

By Christopher J. Schenk

Thumbnail of and link to report PDF (29 MB)Abstract

Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 565 billion barrels of conventional oil and 5,606 trillion cubic feet of undiscovered conventional natural gas in 171 priority geologic provinces of the world, exclusive of the United States.

First posted April 18, 2012

For additional information contact:
U.S. Geological Survey
Central Energy Resources Science Center
Box 25046, MS-939
Denver Federal Center
Denver, CO 80225-0046

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Suggested citation:

Schenk, C.J., 2012, An estimate of undiscovered conventional oil and gas resources of the world, 2012: U.S. Geological Survey Fact Sheet 2012–3042, 6 p.



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