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Assessment of undiscovered oil and gas resources in the Santa Maria Basin Province, California, 2024

November 21, 2025

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.  

Publication Year 2025
Title Assessment of undiscovered oil and gas resources in the Santa Maria Basin Province, California, 2024
DOI 10.3133/fs20253052
Authors Christopher Schenk, Marilyn E. Tennyson, Tracey J. Mercier, Phuong A. Le, Andrea Cicero, Ronald Drake II, Sarah Gelman, Jane Hearon, Benjamin Johnson, Jenny Lagesse, Heidi M. Leathers-Miller
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Fact Sheet
Series Number 2025-3052
Index ID fs20253052
Record Source USGS Publications Warehouse
USGS Organization Central Energy Resources Science Center
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