The EIA has added the Avalon, Barnett, Dean and Woodford to its estimates by formation of Permian tight oil and shale natural ...

Chantell Dunbar-Jones remembers when her hometown of Lewisville, Arkansas, seemed to have oil wells on every corner. The small town, located in the southwestern part of the state, sits atop the ...

Learn the essential differences between oil shale and shale oil, and discover which remains a profitable investment opportunity today.

DICKINSON, N.D. - The North Dakota Department of Mineral Resources released details this week about an oil formation in southwest North Dakota believed to be similar to the Bakken, and leasing has ...

The Bakken shale formation under western North Dakota and eastern Montana is the "largest continuous oil accumulation" the U.S. Geological Survey has ever assessed, the federal agency said in a report ...

The Bakken and Three Forks tight-oil formations in North Dakota and Montana contain more than twice as much recoverable oil than previously thought, according to a new assessment by the US Geological ...

WASHINGTON, April 30 (Reuters) - An oil-rich region of the north-central United States holds more than twice the recoverable crude supplies estimated just five years ago, according to a government ...