Energy Resources Program
The USGS estimated volumes of technically recoverable, conventional petroleum resources that have the potential to be added to reserves from reserve growth in 70 discovered oil and gas accumulations of the United States, excluding Federal offshore areas. The mean estimated volumes are 32 billion barrels of crude oil, 291 trillion cubic feet of natural gas, and 10 billion barrels of natural gas liquids.
DOI Press Release (August 14, 2012)
Fact Sheet 2012-3108
Assessment Website: National Oil and Gas Assessment
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Page Last Modified: Tuesday, April 30, 2013