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Southwestern Wyoming Oil and Gas Assessments

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By Central Energy Resources Science Center January 1, 2024

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.

  • 2023 Conventional and Continuous Oil and Gas Resources in the Lewis Shale (FS 2024-3025)
  • 2019 Continuous Assessment (FS 2019-3047)
  • 2002 Conventional and Continuous Assessment (DDS 69-D)
  • 1995 Assessment (DDS 30)
Application to explore US Oil and Gas Assessments

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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Energy and Mineral Resources Mission Area, Energy Resources Program, Central Energy Resources Science Center
United States Assessments of Undiscovered Oil and Gas Resources

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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Below are data or web applications associated with this project.

Rock Properties Data for the Pre-Cretaceous Formations in the Southwest Wyoming Province Area Rock Properties Data for the Pre-Cretaceous Formations in the Southwest Wyoming Province Area

In 2024, the United States Geological Survey (USGS) compiled rock properties data from the USGS Core Research Center's (CRC) database for the Southwestern Wyoming Province and adjoining areas to better characterize the potential hydrocarbon sources and reservoirs in the area. Data from 53 wells were collected from data analysis results located in the CRC database. These data are derived...
By
Central Energy Resources Science Center

USGS National and Global Oil and Gas Assessment Project—Southwestern Wyoming Province, Lewis Shale Conventional and Continuous Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Southwestern Wyoming Province, Lewis Shale Conventional and Continuous Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables

This data release contains the boundaries of assessment units and input data for the assessment of undiscovered conventional and continuous oil and gas resources in in the Lewis Shale of the Southwestern Wyoming Province, Wyoming and Colorado. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The...
By
Central Energy Resources Science Center

Compilation of vitrinite reflectance data for the Southwestern Wyoming Province, Wyoming, Colorado, Utah Compilation of vitrinite reflectance data for the Southwestern Wyoming Province, Wyoming, Colorado, Utah

This data release is a compilation of vitrinite reflectance (Ro) data from the Southwestern Wyoming Province in Wyoming, Colorado, and Utah. The data includes about 1,200 Ro measurements from wells drilled for oil and gas exploration and production, coal test holes, and outcrop sections.
By
Central Energy Resources Science Center

New Source Rock Data for the Lewis Shale from the eastern part of the Southwestern Wyoming Province, Wyoming and Colorado New Source Rock Data for the Lewis Shale from the eastern part of the Southwestern Wyoming Province, Wyoming and Colorado

In 2021 the United States Geological Survey (USGS) sampled the lower part of the Upper Cretaceous Lewis Shale in the eastern part of the Southwestern Wyoming Province to better characterize its petroleum source rock potential for an upcoming resource assessment. Ninety-five samples from 24 wells were collected from well cuttings of the lower part of the Lewis Shale stored at the U.S...
By
Central Energy Resources Science Center

USGS National and Global Oil and Gas Assessment Project-Southwestern Wyoming Province, Phosphoria Shale Gas Assessment Unit Boundaries and Assessment Input Data Forms USGS National and Global Oil and Gas Assessment Project-Southwestern Wyoming Province, Phosphoria Shale Gas Assessment Unit Boundaries and Assessment Input Data Forms

This data release contains the boundary of the assessment unit and input data for the assessment of continuous gas resources in the Phosphoria formation of the Southwestern Wyoming province. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the...
By
Central Energy Resources Science Center

Below are publications associated with this project.

Assessment of conventional and continuous oil and gas resources in the Lewis Shale in the Southwestern Wyoming Province, Wyoming and Colorado, 2023 Assessment of conventional and continuous oil and gas resources in the Lewis Shale in the Southwestern Wyoming Province, Wyoming and Colorado, 2023

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional and continuous resources of 294 million barrels of oil and 11 trillion cubic feet of gas in the Lewis Shale in the Southwestern Wyoming Province, Wyoming and Colorado.
Authors
Jane S. Hearon, Christopher J. Schenk, Thomas M. Finn, Benjamin G. Johnson, Sarah E. Gelman, Jenny H. Lagesse, Cheryl A. Woodall, Tracey J. Mercier, Heidi M. Leathers-Miller, Kira K. Timm, Ronald M. Drake, Andrea D. Cicero, Geoffrey S. Ellis, Michael H. Gardner, Phuong A. Le, Scott S. Young
By
Energy Resources Program, Central Energy Resources Science Center

Assessment of continuous gas resources in the Permian Phosphoria Formation of the Southwestern Wyoming Province, Wyoming, 2019 Assessment of continuous gas resources in the Permian Phosphoria Formation of the Southwestern Wyoming Province, Wyoming, 2019

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 1.4 trillion cubic feet of continuous gas in the Phosphoria Formation of the Southwestern Wyoming Province, Wyoming.
Authors
Christopher J. Schenk, Tracey J. Mercier, Thomas M. Finn, Kristen R. Marra, Phuong A. Le, Heidi M. Leathers-Miller, Janet K. Pitman, Michael E. Brownfield, Ronald M. Drake
By
Energy Resources Program, Central Energy Resources Science Center

U.S. Geological Survey assessments of continuous (unconventional) oil and gas resources, 2000 to 2011 U.S. Geological Survey assessments of continuous (unconventional) oil and gas resources, 2000 to 2011

From 2000 to 2011, the U.S. Geological Survey conducted 139 quantitative assessments of continuous (unconventional) oil and gas accumulations within the United States. This report documents those assessments more fully than previously done by providing detailed documentation of both the assessment input and output. This report also compiles the data into spreadsheet tables that can be...
Authors
By
Energy Resources Program, Central Energy Resources Science Center

Map of assessed coalbed-gas resources in the United States, 2014 Map of assessed coalbed-gas resources in the United States, 2014

This report presents a digital map of coalbed-gas resource assessments in the United States as part of the U.S. Geological Survey’s (USGS) National Assessment of Oil and Gas Project. Using a geology-based assessment methodology, the USGS quantitatively estimated potential volumes of undiscovered, technically recoverable natural gas resources within coalbed-gas assessment units (AUs)...
Authors
Laura R. H. Biewick
By
Energy Resources Program, Central Energy Resources Science Center

Petroleum systems and geologic assessment of oil and gas in the Southwestern Wyoming Province: Wyoming, Colorado and Utah Petroleum systems and geologic assessment of oil and gas in the Southwestern Wyoming Province: Wyoming, Colorado and Utah

The U.S. Geological Survey (USGS) completed an assessment of the undiscovered oil and gas potential of the Southwestern Wyoming Province of southwestern Wyoming, northwestern Colorado, and northeastern Utah (fig. 1). The USGS Southwestern Wyoming Province for this assessment included the Green River Basin, Moxa arch, Hoback Basin, Sandy Bend arch, Rock Springs uplift, Great Divide Basin...
Authors

Assessment of undiscovered oil and gas resources of the Southwestern Wyoming Province, 2002 Assessment of undiscovered oil and gas resources of the Southwestern Wyoming Province, 2002

No abstract available.
Authors
Mark Kirschbaum, Thomas M. Finn, Robert D. Hettinger, Edward A. Johnson, Ronald C. Johnson, Joyce Kibler, Paul G. Lillis, Philip H. Nelson, Laura N.R. Roberts, Stephen B. Roberts, Ronald R. Charpentier, Troy A. Cook, Robert A. Crovelli, Timothy R. Klett, Richard M. Pollastro, Christopher J. Schenk

1995 National Assessment of United States oil and gas resources: Results, methodology, and supporting data 1995 National Assessment of United States oil and gas resources: Results, methodology, and supporting data

This revised CD-ROM summarizes the results, released in 1995, of the 3-year study of the oil and gas resources of the onshore and state waters of the United States. Minor errors in the original DDS-30 (listed in DDS-35 and DDS-36) are corrected in this revised version and in the data files now released in DDS-35 and DDS-36. Estimates are made of technically recoverable oil, including...
Authors
Donald L. Gautier, Gordon Dolton, Kenneth I. Takahashi, Katharine L. Varnes
By
Energy Resources Program, Central Energy Resources Science Center
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