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Assessment of undiscovered tight-gas resources in the Berkine, Illizi, and Hamra Basins of northern Africa, 2026

July 29, 2026

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 114.1 trillion cubic feet of tight gas in the Berkine, Illizi, and Hamra Basins of northern Africa.

Publication Year 2026
Title Assessment of undiscovered tight-gas resources in the Berkine, Illizi, and Hamra Basins of northern Africa, 2026
DOI 10.3133/fs20263020
Authors Michael E. Brownfield, Christopher J. Schenk, Tracey J. Mercier, Thomas M. Finn, Cheryl A. Woodall, Phuong A. Le, Heidi M. Leathers-Miller, Kristen R. Marra, Ronald M. Drake, Scott A. Kinney
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Fact Sheet
Series Number 2026-3020
Index ID fs20263020
Record Source USGS Publications Warehouse
USGS Organization Central Energy Resources Science Center
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