Assessment of undiscovered shale-gas resources in the Grand Erg/Ahnet Basin Province of Algeria, 2026
April 22, 2026
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 80.1 trillion cubic feet of shale gas in the Grand Erg/Ahnet Basin Province of Algeria.
Citation Information
| Publication Year | 2026 |
|---|---|
| Title | Assessment of undiscovered shale-gas resources in the Grand Erg/Ahnet Basin Province of Algeria, 2026 |
| DOI | 10.3133/fs20263005 |
| Authors | Michael E. Brownfield, Christopher J. Schenk, Tracey J. Mercier, Marilyn E. Tennyson, Cheryl A. Woodall, Thomas M. Finn, Phuong A. Le, Heidi M. Leathers-Miller, Janet K. Pitman, Ronald M. Drake, Stephanie B. Gaswirth |
| Publication Type | Report |
| Publication Subtype | USGS Numbered Series |
| Series Title | Fact Sheet |
| Series Number | 2026-3005 |
| Index ID | fs20263005 |
| Record Source | USGS Publications Warehouse |
| USGS Organization | Central Energy Resources Science Center |
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USGS National and Global Oil and Gas Assessment Project—Grand Erg/Ahnet Basin Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Grand Erg/Ahnet Basin Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered continuous oil and gas resources of the Grand Erg/Ahnet Basin Province of Algeria. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered...
Lynn Tennyson
Scientist Emeritus
Scientist Emeritus
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Phuong A Le
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IT Specialist (Data Management)
Email
Phone
Heidi Leathers-Miller
Petroleum Engineer
Petroleum Engineer
Phone
Janet K Pitman
Scientist Emeritus
Scientist Emeritus
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Stephanie Gaswirth, Ph.D. (Former Employee)
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Related
USGS National and Global Oil and Gas Assessment Project—Grand Erg/Ahnet Basin Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Grand Erg/Ahnet Basin Province: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered continuous oil and gas resources of the Grand Erg/Ahnet Basin Province of Algeria. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered...
Lynn Tennyson
Scientist Emeritus
Scientist Emeritus
Email
Phone
Phuong A Le
IT Specialist (Data Management)
IT Specialist (Data Management)
Email
Phone
Heidi Leathers-Miller
Petroleum Engineer
Petroleum Engineer
Phone
Janet K Pitman
Scientist Emeritus
Scientist Emeritus
Email
Phone
Stephanie Gaswirth, Ph.D. (Former Employee)
Science Coordinator
Science Coordinator