Assessment of Undiscovered Hydrocarbon Resources of the Western Oregon and Washington Province

http://pubs.usgs.gov/fs/2009/3060/

We estimated mean volumes of 2.2 trillion cubic feet (TCF) of undiscovered natural gas and 15 million barrels of oil (MMBO) in the using a geology-based assessment methodology.

by Brownfield, Michael E.; Cook, Troy A.; Klett, Timothy R.; Pollastro, Richard M.; and Schenk, Christopher J.

U.S. Geological Survey Fact Sheet 2009-3060

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