Assessment of Undiscovered Oil and Gas Resources in the Haynesville Formation Within the Onshore United States and State Waters of the Gulf Coast Basin, 2024

Fact Sheet 2025-3054
By: , and 

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Abstract

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 152 million barrels of oil and 47.9 trillion cubic feet of gas in reservoirs of the Haynesville Formation within the onshore United States and State waters of the Gulf Coast Basin.

Suggested Citation

Gardner, R., Flaum, J.A., Birdwell, J.E., Kinney, S.A., Pitman, J.K., Paxton, S.T., French, K.L., Mercier, T.J., Leathers-Miller, H.M., and Schenk, C.J., 2025, Assessment of undiscovered oil and gas resources in the Haynesville Formation within the onshore United States and State waters of the Gulf Coast Basin, 2024: U.S. Geological Survey Fact Sheet 2025–3054, 4 p., https://doi.org/10.3133/fs20253054.

ISSN: 2327-6932 (online)

Table of Contents

  • Introduction
  • Geologic Model for Assessment
  • Total Petroleum System and Assessment Units
  • Undiscovered Resources Summary
  • References Cited
Publication type Report
Publication Subtype USGS Numbered Series
Title Assessment of undiscovered oil and gas resources in the Haynesville Formation within the onshore United States and State waters of the Gulf Coast Basin, 2024
Series title Fact Sheet
Series number 2025-3054
DOI 10.3133/fs20253054
Publication Date December 17, 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: 4 p.; Data release
Online Only (Y/N) Y
Additional Online Files (Y/N) N
Additional publication details