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Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2025

March 11, 2026

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional resources of 37.6 billion barrels of oil and 281.6 trillion cubic feet of gas in 31 geologic provinces of South America and the Caribbean.

Publication Year 2026
Title Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2025
DOI 10.3133/fs20263066
Authors Christopher J. Schenk, Tracey J. Mercier, Phuong A. Le, Andrea D. Cicero, Sarah E. Gelman, Jane S. Hearon, Benjamin G. Johnson, Jenny H. Lagesse, Heidi M. Leathers-Miller
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Fact Sheet
Series Number 2026-3066
Index ID fs20263066
Record Source USGS Publications Warehouse
USGS Organization Central Energy Resources Science Center
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