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

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
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Abstract

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.

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90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 24° to 33° latitude; 4° to 16° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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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. 2026-07-29. Assessment of undiscovered tight-gas resources in the Berkine, Illizi, and Hamra Basins of northern Africa, 2026. https://doi.org/10.3133/fs20263020

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