Assessment of Undiscovered Oil and Gas Resources in the Santa Maria Basin Province, California, 2024

Fact Sheet 2025-3052
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 conventional resources of 67 million barrels of oil and 56 billion cubic feet of gas in the Santa Maria Basin Province of California.  

Suggested Citation

Schenk, C.J., Tennyson, M.E., Mercier, T.J., Le, P.A., Cicero, A.D., Drake, R.M., II, Gelman, S.E., Hearon, J.S., Johnson, B.G., Lagesse, J.H., and Leathers-Miller, H.M., 2025, Assessment of undiscovered oil and gas resources in the Santa Maria Basin Province, California, 2024 (ver. 1.1, November 26, 2025): U.S. Geological Survey Fact Sheet 2025–3052, 4 p., https://doi.org/10.3133/fs20253052.

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 undiscovered oil and gas resources in the Santa Maria Basin Province, California, 2024
Series title Fact Sheet
Series number 2025-3052
DOI 10.3133/fs20253052
Edition Version 1.0: November 21, 2025; Version 1.1: November 26, 2025
Publication Date November 21, 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
Country United States
State California
Other Geospatial Santa Maria Basin Province
Online Only (Y/N) Y
Additional publication details