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.

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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.

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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.

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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).

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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).

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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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May 6, 2010

Assessment of Undiscovered Oil and Gas Resources of the Nile Delta Basin Province, Eastern Mediterranean Assessment of Undiscovered Oil and Gas Resources of the Nile Delta Basin Province, Eastern Mediterranean

The U.S. Geological Survey estimated means of 1.8 billion barrels of recoverable oil, 223 trillion cubic feet of recoverable gas, and 6 billion barrels of natural gas liquids in the Nile Delta Basin Province using a geology-based assessment methodology.

Authors

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

By

Energy Resources Program, Central Energy Resources Science Center

February 13, 2010

Geologic assessment of undiscovered oil and gas resources of the North Cuba Basin, Cuba Geologic assessment of undiscovered oil and gas resources of the North Cuba Basin, Cuba

Petroleum generation in the North Cuba Basin is primarily the result of thrust loading of Jurassic and Cretaceous source rocks during formation of the North Cuba fold and thrust belt in the Late Cretaceous to Paleogene. The fold and thrust belt formed as Cuban arc-forearc rocks along the leading edge of the Caribbean plate translated northward during the opening of the Yucatan Basin and...

Authors

Christopher J. Schenk

By

Energy Resources Program, Central Energy Resources Science Center

February 4, 2010

Assessment of undiscovered oil and gas resources of four west Africa geologic provinces Assessment of undiscovered oil and gas resources of four west Africa geologic provinces

Four geologic provinces located along the northwest and west-central coast of Africa recently were assessed for undiscovered 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 71.7 billion barrels of oil, 187.2 trillion cubic feet...

Authors

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

By

Energy Resources Program, Central Energy Resources Science Center

February 3, 2010

Geologic assessment of undiscovered oil and gas resources of the West Greenland-East Canada Province Geologic assessment of undiscovered oil and gas resources of the West Greenland-East Canada Province

The U.S. Geological Survey (USGS) recently 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 program. 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...

Authors

Christopher J. Schenk

By

Energy Resources Program, Central Energy Resources Science Center

December 30, 2009

First ever release of USGS offshore arctic resource assessment First ever release of USGS offshore arctic resource assessment

No abstract available.

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, John H. Schuenemeyer, Kai Sorensen, Marilyn E. Tennyson

By

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

December 20, 2009

Assessment of undiscovered oil and gas in the Arctic Assessment of undiscovered oil and gas in the Arctic

Among the greatest uncertainties in future energy supply and a subject of considerable environmental concern is the amount of oil and gas yet to be found in the Arctic. By using a probabilistic geology-based methodology, the United States Geological Survey has assessed the area north of the Arctic Circle and concluded that about 30% of the world’s undiscovered gas and 13% of the world’s

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, John H. Schuenemeyer, Kai Sorenson, Marilyn E. Tennyson, Zenon C. Valin, Craig J. Wandrey

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

August 28, 2009

Assessment of Undiscovered Hydrocarbon Resources of the Western Oregon and Washington Province Assessment of Undiscovered Hydrocarbon Resources of the Western Oregon and Washington Province

Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean volumes of 2.2 trillion cubic feet (TCF) of undiscovered natural gas and 15 million barrels of oil (MMBO) in the Western Oregon and Washington Province. More than 67 percent, or 1.5 TCF, of the undiscovered natural gas is continuous gas estimated to be coalbed gas in Tertiary coals in western Oregon...

Authors

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

By

Energy Resources Program

March 14, 2009

Development of a probabilistic assessment methodology for evaluation of carbon dioxide storage Development of a probabilistic assessment methodology for evaluation of carbon dioxide storage

This report describes a probabilistic assessment methodology developed by the U.S. Geological Survey (USGS) for evaluation of the resource potential for storage of carbon dioxide (CO2) in the subsurface of the United States as authorized by the Energy Independence and Security Act (Public Law 110-140, 2007). The methodology is based on USGS assessment methodologies for oil and gas...

Authors

Robert A. Burruss, Sean T. Brennan, Philip A. Freeman, Matthew D. Merrill, Leslie F. Ruppert, Mark F. Becker, William N. Herkelrath, Yousif K. Kharaka, Christopher E. Neuzil, Sharon M. Swanson, Troy A. Cook, Timothy R. Klett, Philip H. Nelson, Christopher J. Schenk

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Ecosystems Mission Area, Energy Resources Program, Toxic Substances Hydrology, Environmental Health Program, Geology, Energy & Minerals Science Center, Central Energy Resources Science Center

January 1, 2009

An estimate of recoverable heavy oil resources of the Orinoco Oil Belt, Venezuela An estimate of recoverable heavy oil resources of the Orinoco Oil Belt, Venezuela

The Orinoco Oil Belt Assessment Unit of the La Luna-Quercual Total Petroleum System encompasses approximately 50,000 km2 of the East Venezuela Basin Province that is underlain by more than 1 trillion barrels of heavy oil-in-place. As part of a program directed at estimating the technically recoverable oil and gas resources of priority petroleum basins worldwide, the U.S. Geological...

Authors

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

By

Energy Resources Program, Central Energy Resources Science Center

January 1, 2009

Seismic analysis of clinoform depositional sequences and shelf-margin trajectories in Lower Cretaceous (Albian) strata, Alaska North Slope Seismic analysis of clinoform depositional sequences and shelf-margin trajectories in Lower Cretaceous (Albian) strata, Alaska North Slope

Lower Cretaceous strata beneath the Alaska North Slope include clinoform depositional sequences that filled the western Colville foreland basin and overstepped the Beaufort rift shoulder. Analysis of Albian clinoform sequences with two‐dimensional (2D) seismic data resulted in the recognition of seismic facies inferred to represent lowstand, transgressive and highstand systems tracts...

Authors

David W. Houseknecht, Kenneth J. Bird, Christopher J. Schenk

By

Energy Resources Program, Geology, Energy & Minerals Science Center

January 1, 2009

Assessment of undiscovered oil and gas in the arctic Assessment of undiscovered oil and gas in the arctic

Among the greatest uncertainties in future energy supply and a subject of considerable environmental concern is the amount of oil and gas yet to be found in the Arctic. By using a probabilistic geology-based methodology, the United States Geological Survey has assessed the area north of the Arctic Circle and concluded that about 30% of the world’s undiscovered gas and 13% of the world’s

Authors

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

By

Geology, Energy, and Minerals Mission Area, Energy Resources Program, Mineral Resources Program, Science and Decisions Center, Geology, Minerals, Energy, and Geophysics Science Center

October 30, 2008

Assessment of undiscovered oil and gas resources of the Williston Basin Province of North Dakota, Montana, and South Dakota, 2008 Assessment of undiscovered oil and gas resources of the Williston Basin Province of North Dakota, Montana, and South Dakota, 2008

Using a geology-based assessment method, the U.S. Geological Survey estimated mean undiscovered volumes of 3.8 billion barrels of undiscovered oil, 3.7 trillion cubic feet of associated/dissolved natural gas, and 0.2 billion barrels of undiscovered natural gas liquids in the Williston Basin Province, North Dakota, Montana, and South Dakota. (See “Introduction” in Fact Sheet for...

Authors

Lawrence O. Anna, Richard M. Pollastro, Stephanie B. Gaswirth, Michael D. Lewan, Paul G. Lillis, Laura N.R. Roberts, Christopher J. Schenk, Ronald R. Charpentier, Troy A. Cook, Timothy R. Klett

By

Energy Resources Program, Central Energy Resources Science Center

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