Christopher J Schenk

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August 6, 2024

United States Assessments of Undiscovered Oil and Gas Resources

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World. This website provides access to new, prioritized, assessment results and supporting data for the United States, as part of the Energy Policy and Conservation Act (EPCA).

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

United States Assessments of Undiscovered Oil and Gas Resources

August 6, 2024

United States Assessments of Undiscovered Oil and Gas Resources

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World. This website provides access to new, prioritized, assessment results and supporting data for the United States, as part of the Energy Policy and Conservation Act (EPCA).

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January 1, 2024

World Oil and Gas Resource Assessments

The USGS World Energy Project conducts geologic studies that provide an understanding of the quantity, quality, and geologic distribution of world oil and gas resources. Our geologic studies are conducted in an impartial manner and are performed in collaboration and partnership with energy experts within and outside government. Through synthesis and improved understanding of global oil and gas...

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center, International Programs

World Oil and Gas Resource Assessments

January 1, 2024

World Oil and Gas Resource Assessments

The USGS World Energy Project conducts geologic studies that provide an understanding of the quantity, quality, and geologic distribution of world oil and gas resources. Our geologic studies are conducted in an impartial manner and are performed in collaboration and partnership with energy experts within and outside government. Through synthesis and improved understanding of global oil and gas...

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January 1, 2024

Appalachian Basin Oil and Gas Assessments

The USGS has conducted numerous assessments of undiscovered oil and gas in the Appalachian Basin, including studies of the Marcellus Shale. The region extends from Alabama to Maine. The following is an overview of the assessments.

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Appalachian Basin Oil and Gas Assessments

January 1, 2024

Appalachian Basin Oil and Gas Assessments

The USGS has conducted numerous assessments of undiscovered oil and gas in the Appalachian Basin, including studies of the Marcellus Shale. The region extends from Alabama to Maine. The following is an overview of the assessments.

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January 1, 2024

Raton Basin-Sierra Grande Uplift Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Raton Basin–Sierra Grande Uplift Province 5041 of northeastern New Mexico and southeastern Colorado.

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Raton Basin-Sierra Grande Uplift Oil and Gas Assessments

January 1, 2024

Raton Basin-Sierra Grande Uplift Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Raton Basin–Sierra Grande Uplift Province 5041 of northeastern New Mexico and southeastern Colorado.

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January 1, 2024

Montana Thrust Belt Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Montana Thrust Belt Province 5027 of northwestern Montana.

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Montana Thrust Belt Oil and Gas Assessments

January 1, 2024

Montana Thrust Belt Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Montana Thrust Belt Province 5027 of northwestern Montana.

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January 1, 2024

Powder River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Powder River Basin Province 5033.

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Powder River Basin Oil and Gas Assessments

January 1, 2024

Powder River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Powder River Basin Province 5033.

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January 1, 2024

Southwestern Wyoming Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potentional of the Southwestern Wyoming Province 5037 of southwestern Wyoming, northwestern Colorado, and northeastern Utah.

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Southwestern Wyoming Oil and Gas Assessments

January 1, 2024

Southwestern Wyoming Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potentional of the Southwestern Wyoming Province 5037 of southwestern Wyoming, northwestern Colorado, and northeastern Utah.

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January 1, 2024

Uinta-Piceance Basin Oil and Gas Assessments

The U.S. Geological Survey (USGS) has conducted a number of geology-based assessments of undiscovered oil and gas resources in the Uinta-Piceance Basin (USGS Province 5020) of western Colorado and Eastern Utah. Recent assessments include.

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Uinta-Piceance Basin Oil and Gas Assessments

January 1, 2024

Uinta-Piceance Basin Oil and Gas Assessments

The U.S. Geological Survey (USGS) has conducted a number of geology-based assessments of undiscovered oil and gas resources in the Uinta-Piceance Basin (USGS Province 5020) of western Colorado and Eastern Utah. Recent assessments include.

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January 1, 2024

Anadarko Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Anadarko Basin Province 5058.

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Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Anadarko Basin Oil and Gas Assessments

January 1, 2024

Anadarko Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Anadarko Basin Province 5058.

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January 1, 2023

Wind River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Wind River Basin Province 5035 in central Wyoming.

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Wind River Basin Oil and Gas Assessments

January 1, 2023

Wind River Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Wind River Basin Province 5035 in central Wyoming.

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December 19, 2018

Eastern Basins Oil and Gas Assessments

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Blue Ridge Thrust Belt (5068), Piedmont Province (5069), Atlantic Coastal Plain Province (5070), and the New England Province (5072). These basins are generally east of the Appalachian Basin Province (5067).

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Eastern Basins Oil and Gas Assessments

December 19, 2018

Eastern Basins Oil and Gas Assessments

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Blue Ridge Thrust Belt (5068), Piedmont Province (5069), Atlantic Coastal Plain Province (5070), and the New England Province (5072). These basins are generally east of the Appalachian Basin Province (5067).

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December 7, 2018

Southern Oklahoma Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered continuous oil and gas resources of the Southern Oklahoma Province (5061).

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Central Energy Resources Science Center

Southern Oklahoma Oil and Gas Assessments

December 7, 2018

Southern Oklahoma Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered continuous oil and gas resources of the Southern Oklahoma Province (5061).

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Filter Total Items: 65

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January 1, 2011

Definition of potential unconventional oil and gas resource accumulations, onshore Thailand Definition of potential unconventional oil and gas resource accumulations, onshore Thailand

Conventional accumulations represent oil and gas accumulations that are buoyant upon a water column, whereas unconventional accumulations generally do not rely on buoyancy.

Authors

Christopher J. Schenk

By

Energy Resources Program, Central Energy Resources Science Center

January 1, 2011

Assessment of undiscovered conventional oil and gas resources of Thailand Assessment of undiscovered conventional oil and gas resources of Thailand

The U.S. Geological Survey estimated mean volumes of 1.6 billion barrels of undiscovered conventional oil and 17 trillion cubic feet of undiscovered conventional natural gas in three geologic provinces of Thailand using a geology-based methodology. Most of the undiscovered conventional oil and gas resource is estimated to be in the area known as offshore Thai Basin province.

Authors

Chris Schenk

By

Energy Resources Program, Central Energy Resources Science Center

January 1, 2011

Assessment of undiscovered oil and gas resources of the North Sakhalin Basin Province, Russia, 2011 Assessment of undiscovered oil and gas resources of the North Sakhalin Basin Province, Russia, 2011

Using a geology-based assessment methodology, the U.S. Geological Survey estimated volumes of undiscovered, technically recoverable, conventional petroleum resources for the North Sakhalin Basin Province of Russia. The mean volumes were estimated at 5.3 billion barrels of crude oil, 43.8 trillion cubic feet of natural gas, and 0.8 billion barrels of natural gas liquids.

Authors

T. R. Klett, Christopher J. Schenk, Craig J. Wandrey, Ronald R. Charpentier, Michael E. Brownfield, Janet K. Pitman, Richard M. Pollastro, Troy A. Cook, Marilyn E. Tennyson

By

Energy Resources Program, Central Energy Resources Science Center

January 1, 2011

Geology and petroleum potential of the West Greenland-East Canada Province Geology and petroleum potential of the West Greenland-East Canada Province

The US Geological Survey (USGS) assessed the potential for undiscovered oil and gas resources of the West Greenland–East Canada Province as part of the USGS Circum-Arctic Resource Appraisal programme. The province lies in the offshore area between western Greenland and eastern Canada and includes Baffin Bay, Davis Strait, Lancaster Sound and Nares Strait west of and including part of...

Authors

Christopher J. Schenk

January 1, 2011

Assessment of NE Greenland: Prototype for development of Circum-ArcticResource Appraisal methodology Assessment of NE Greenland: Prototype for development of Circum-ArcticResource Appraisal methodology

Geological features of NE Greenland suggest large petroleum potential, as well as high uncertainty and risk. The area was the prototype for development of methodology used in the US Geological Survey (USGS) Circum-Arctic Resource Appraisal (CARA), and was the first area evaluated. In collaboration with the Geological Survey of Denmark and Greenland (GEUS), eight ‘assessment units’ (AU)...

Authors

Donald L. Gautier, L. Stemmerik, F.G. Christiansen, K. Sorensen, T. Bidstrup, J. A. Bojesen-Koefoed, Kenneth J. Bird, Ronald Charpentier, David W. Houseknecht, Timothy R. Klett, Christopher J. Schenk, Marilyn E. Tennyson

By

Energy Resources Program, Geology, Energy & Minerals Science Center

January 1, 2011

Geology and petroleum potential of the Timan-Pechora Basin Province, Russia Geology and petroleum potential of the Timan-Pechora Basin Province, Russia

The Timan–Pechora Basin Province represents the northeastern-most cratonic block of Eastern European Russia. More than 16 billion barrels of oil (BBO) and 40 trillion cubic feet of gas (TCFG) have been discovered in this basin. Three geological assessment units (AU) were defined for assessing the potential for undiscovered oil and gas resources. The NW Izhma Depression AU encompasses all...

Authors

Christopher J. Schenk

By

Energy Resources Program, Central Energy Resources Science Center

January 1, 2011

Oil and gas resource potential north of the Arctic Circle Oil and gas resource potential north of the Arctic Circle

The US Geological Survey recently assessed the potential for undiscovered conventional petroleum in the Arctic. Using a new map compilation of sedimentary elements, the area north of the Arctic Circle was subdivided into 70 assessment units, 48 of which were quantitatively assessed. The Circum-Arctic Resource Appraisal (CARA) was a geologically based, probabilistic study that relied...

Authors

Donald L. Gautier, Kenneth J. Bird, Ronald Charpentier, Arthur Grantz, David W. Houseknecht, Timothy R. Klett, Thomas E. Moore, Janet K. Pitman, Christopher J. Schenk, J.H. Schuenemeyer, K. Sorensen, Marilyn E. Tennyson, Zenon C. Valin, Craig J. Wandrey

By

Energy Resources Program, Mineral Resources Program, Geology, Energy & Minerals Science Center, Central Energy Resources Science Center, Geology, Minerals, Energy, and Geophysics Science Center

November 11, 2010

Assessment of undiscovered oil and gas resources of the North Caspian Basin, Middle Caspian Basin, North Ustyurt Basin, and South Caspian Basin Provinces, Caspian Sea Area, 2010 Assessment of undiscovered oil and gas resources of the North Caspian Basin, Middle Caspian Basin, North Ustyurt Basin, and South Caspian Basin Provinces, Caspian Sea Area, 2010

The U.S. Geological Survey estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 19.6 billion barrels of crude oil, 243 trillion cubic feet of natural gas, and 9.3 billion barrels of natural gas liquids for the Caspian Sea area, using a geology-based assessment methodology.

Authors

T. R. Klett, Christopher J. Schenk, Ronald R. Charpentier, Donald L. Gautier, Michael E. Brownfield, Janet K. Pitman, Troy A. Cook, Marilyn E. Tennyson

By

Energy Resources Program, Central Energy Resources Science Center

November 11, 2010

Assessment of undiscovered oil and gas resources of the Volga-Ural Region Province, Russia and Kazakhstan, 2010 Assessment of undiscovered oil and gas resources of the Volga-Ural Region Province, Russia and Kazakhstan, 2010

The U.S. Geological Survey estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 1.4 billion barrels of crude oil, 2.4 trillion cubic feet of natural gas, and 85 million barrels of natural gas liquids for the Volga-Ural Region Province, using a geology-based assessment methodology.

Authors

T. R. Klett, Christopher J. Schenk, Ronald R. Charpentier, Michael E. Brownfield, Janet K. Pitman, Troy A. Cook, Marilyn E. Tennyson

By

Energy Resources Program, Central Energy Resources Science Center

October 26, 2010

2010 updated assessment of undiscovered oil and gas resources of the National Petroleum Reserve in Alaska (NPRA) 2010 updated assessment of undiscovered oil and gas resources of the National Petroleum Reserve in Alaska (NPRA)

Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean volumes of 896 million barrels of oil (MMBO) and about 53 trillion cubic feet (TCFG) of nonassociated natural gas in conventional, undiscovered accumulations within the National Petroleum Reserve in Alaska and adjacent State waters. The estimated volume of undiscovered oil is significantly lower than...

Authors

D.W. Houseknecht, K. J. Bird, J.H. Schuenemeyer, E. D. Attanasi, C.P. Garrity, Christopher J. Schenk, Ronald R. Charpentier, R. M. Pollastro, T. A. Cook, T.R. and Klett

By

Energy Resources Program

October 21, 2010

Assessment of undiscovered oil and gas resources of the Chad Basin Province, North-Central Africa Assessment of undiscovered oil and gas resources of the Chad Basin Province, North-Central Africa

The Chad Basin Province located in north-central Africa recently was assessed for undiscovered, technically recoverable oil, natural gas, and natural gas liquids resources as part of the U.S. Geological Survey's (USGS) World Oil and Gas Assessment. Using a geology-based assessment methodology, the USGS estimated mean volumes of 2.32 billion barrels of oil, 14.65 trillion cubic feet of...

Authors

Michael E. Brownfield, Christopher J. Schenk, Ronald R. Charpentier, Timothy R. Klett, Troy A. Cook, Richard M. Pollastro, Marilyn E. Tennyson

By

Energy Resources Program, Central Energy Resources Science Center

June 22, 2010

Assessment of undiscovered natural gas resources of the Arkoma Basin province and geologically related areas Assessment of undiscovered natural gas resources of the Arkoma Basin province and geologically related areas

Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean volumes of 38 trillion cubic feet (TCF) of undiscovered natural gas, 159 million barrels of natural gas liquid (MMBNGL), and no oil in accumulations of 0.5 million barrels (MMBO) or larger in the Arkoma Basin Province and related areas. More than 97 percent of the undiscovered gas occurs in continuous

Authors

David W. Houseknecht, James L. Coleman, Robert C. Milici, Christopher P. Garrity, William A. Rouse, Bryant R. Fulk, Stanley T. Paxton, Marvin M. Abbott, John L. Mars, Troy A. Cook, Christopher J. Schenk, Ronald R. Charpentier, Timothy R. Klett, Richard M. Pollastro, Geoffrey S. Ellis

By

Energy Resources Program, Geology, Energy & Minerals Science Center

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