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Assessment of remaining recoverable oil in selected major oil fields of the San Joaquin Basin

	The U.S. Geological Survey (USGS) recently completed an estimate of volumes of technically recoverable, conventional oil that could eventually be added to reserves in nine selected major oil fields in the San Joaquin Basin in central California. The mean total volume of potential oil reserves tha...
Friday, April 27, 2012  Type: Publication

Assessment of remaining recoverable oil in selected major oil fields of the Permian Basin, Texas and New Mexico

	The U.S. Geological Survey (USGS) recently completed an estimate of technically recoverable, conventional oil in selected oil fields in the Permian Basin in west Texas and southeastern New Mexico. The mean total volume of potential additional oil resources that might be added using improved oil-...
Friday, April 27, 2012  Type: Publication

Assessment of Undiscovered Oil and Gas Resources in the Paradox Basin Province, Utah, Colorado, New Mexico, and Arizona, 2011

	Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 560 million barrels of undiscovered oil, 12,701 billion cubic feet of undiscovered natural gas, and 490 million barrels of undiscovered natural gas liquids in the Paradox Basin of Utah, Colorado, New...
Tuesday, April 03, 2012  Type: Publication

Shale Gas and Shale Oil Resource Potential of the Alaska North Slope

	National Oil and Gas Assessment Project: The USGS estimated potential, technically recoverable oil and gas resources for source rocks of the Alaska North Slope. Estimates (95-percent to 5-percent probability) range from zero to 2 billion barrels of oil and from zero to nearly 80 trillion cubic...
Friday, February 24, 2012  Type: Press Release

U.S. Geological Survey Williston Basin Province Assessment Team, 2011, Assessment of undiscovered oil and gas resources of the Williston Basin Province of North Dakota, Montana, and South Dakota, 2010: U.S. Geological Survey Digital Data Series 69–W, 7 ch

	The U.S. Geological Survey (USGS) recently completed a comprehensive oil and gas assessment of the Williston Basin, which encompasses more than 90 million acres in parts of North Dakota, eastern Montana, and northern South Dakota. The assessment is based on the geologic elements of each total...
Thursday, February 16, 2012  Type: Publication

Assessment of Undiscovered Oil and Gas Resources in Conventional and Continuous Petroleum Systems in the Upper Cretaceous Eagle Ford Group, U.S. Gulf Coast Region, 2011

	The U.S. Geological Survey (USGS) recently completed a geology-based assessment of the undiscovered, technically recoverable oil and gas resources in Upper Cretaceous strata of the U.S. Gulf Coast region, which includes parts of Texas, Louisiana, Arkansas, Mississippi, Alabama, and Florida...
Wednesday, February 08, 2012  Type: Publication

Cook Inlet 2011 Assessment, OFR 2011-1237

	The U.S. Geological Survey (USGS) has completed an assessment of the volumes of undiscovered, technically recoverable oil and gas resources in conventional and continuous accumulations in Cook Inlet. The assessment used a geology-based methodology and results from new scientific research by the USGS...
Sunday, January 01, 2012  Type: Publication

U.S. Geological Survey Information Relevant to the U.S. Geological Survey Assessment of the Middle Devonian Marcellus Shale of the Appalachian Basin Province, 2011

	The USGS recently assessed the potential for natural gas resources in the Middle Devonian Marcellus Shale of the Appalachian Basin Province. The Marcellus Shale was assessed as a continuous gas accumulation using a methodology identical to that used in the assessment of shale...
Sunday, November 27, 2011  Type: Publication

New U.S. Geological Survey Method for the Assessment of Reserve Growth

	Reserve growth is defined as the estimated increases in quantities of crude oil, natural gas, and natural gas liquids that have the potential to be added to remaining reserves in discovered accumulations through extension, revision, improved recovery efficiency, and additions of new pools or...
Thursday, November 17, 2011  Type: Publication

Formulation of a correlated variables methodology for assessment of continuous gas resources with an application to the Woodford play, Arkoma Basin, eastern Oklahoma

	USGS paper published in the Geological and Mining Institute of Spain, Boletín Geológico y Minero.  New experimental methodology is illustrated by evaluating a gas play in the Woodford Shale in the Arkoma Basin of Oklahoma. …
Thursday, November 03, 2011  Type: Outside Publication

Overview

The USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States. New, prioritized, assessment results, as part of the Energy Policy and Conservation Act (EPCA) and the current National Assessment are shown above. Additional EPCA and priority basin assessment results will be posted as they become available.

Christopher Schenk
Project Chief

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