Assessment of undiscovered oil and gas resources of the Mississippian Sunbury shale and Devonian-Mississippian Chattanooga shale in the Appalachian Basin Province, 2016

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Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources that total 464 million barrels of oil and 4.08 trillion cubic feet of gas in the Lower Mississippian Sunbury Shale and Middle Devonian–Lower Mississippian Chattanooga Shale of the Appalachian Basin Province.

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  • Fact Sheet


  • critical issues, database publication, oil and gas, alabama, tennessee, kentucky, virginia, west virginia, ohio, pennsylvania, maryland, new york, georgia