Energy Resources Program
USGS Releases Updated Bakken and New Three Forks Oil and Gas Assessment
Using a geology-based assessment methodology, the USGS estimated mean undiscovered volumes of 7.4 billion barrels of oil, 6.7 trillion cubic feet of natural gas, and 0.53 billion barrels of natural gas liquids in the Bakken and Three Forks Formations in the Williston Basin Province of Montana, North Dakota, and South Dakota.
DOI Press Release (4/30/2013)
USGS Feature Story (4/30/2013)
Fact Sheet 2013-3013
FAQs about the Bakken Formation.
GIS Data (2013 and 2008 Assessments)
Open-File Report 2013–1094
PDF version (3MB)
USGS Podcast: USGS Releases Latest Bakken Oil and Gas Assessment
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Download Directly | See Podcast Transcript and Details
Digital Data Series 69–W: Assessment of Undiscovered Oil and Gas Resources of the Williston Basin Province of North Dakota, Montana, and South Dakota, 2010
Project Website: National Oil and Gas Assessment
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Page Last Modified: Wednesday, December 03, 2014