Energy Resources Program

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World (click here for information about World Oil and Gas Assessments).  This website provides access to new, prioritized, assessment results and supporting data for the United States, as part...

Large underground coal mines, especially longwall mines, disturb an extensive layer of strata overlying and underlying the mined coal seam due to induced stresses and due to collapse of the coal-bearing strata into the void left from mined coal. This volume of strata disturbed by mining is termed as the gas emission zone, which often contains other gassy coal seams of non-economic value, thin...

The primary objective of this project is to provide information on the volume, quality, impacts, and possible uses of water produced during generation and development of energy resources (particularly hydrocarbons) as well as related fluids injected into reservoirs for energy development and associated waste disposal.  The purpose of this work is to address scientific and societal questions...

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Arkoma Basin Province 5062:

• 2010 Continuous and Conventional Assessment (Fact Sheet 2010-3043).
• 1995 Assessment (
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Province Code: 5059

The Salina Basin Province (5059), covers an area of about 45,000 sq mi, consisting of the eastern half of Nebraska and the north-central portion of Kansas. The basin lies between the Cambridge Arch-Central Kansas Uplift Province (5053) on the west, the Nemaha Uplift Province (5055) to the east, the Sioux Arch Province (5032) to the north, and a...