Assessment of Continuous Oil and Gas Resources in the Upper Cretaceous Niobrara Formation in the Southwestern Wyoming Province, Wyoming and Colorado, 2024

Fact Sheet 2025-3025
National and Global Petroleum Assessment
By: , and 

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Abstract

 Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean continuous resources of 703 million barrels of oil and 5.8 trillion cubic feet of gas in the Niobrara Formation in the Southwestern Wyoming Province, Wyoming and Colorado.

Suggested Citation

Timm, K.K., Schenk, C.J., Hearon, J.S., Finn, T.M., Gelman, S.E., Woodall, C.A., Mercier, T.M., Cicero, A.D., Drake, R.M., II, Ellis, G.S., Gardner, M.H., Johnson, B.G., Lagesse, J.H., Le, P.A., Leathers-Miller, H.M., and Young, S.S., 2025, Assessment of continuous oil and gas resources in the Upper Cretaceous Niobrara Formation in the Southwestern Wyoming Province, Wyoming and Colorado, 2024: U.S. Geological Survey Fact Sheet 2025–3025, 4 p., https://doi.org/10.3133/fs20253025. 

ISSN: 2327-6932 (online)

Study Area

Table of Contents

  • Introduction
  • Total Petroleum System and Assessment Units
  • Undiscovered Resources Summary
  • References Cited
Publication type Report
Publication Subtype USGS Numbered Series
Title Assessment of continuous oil and gas resources in the Upper Cretaceous Niobrara Formation in the Southwestern Wyoming Province, Wyoming and Colorado, 2024
Series title Fact Sheet
Series number 2025-3025
DOI 10.3133/fs20253025
Publication Date June 11, 2025
Year Published 2025
Language English
Publisher U.S. Geological Survey
Publisher location Reston VA
Contributing office(s) Central Energy Resources Science Center
Description Report: 2 p.; Data Release
Country United States
State Colorado, Wyoming
Other Geospatial Niobrara Formation
Online Only (Y/N) Y
Additional publication details