Total petroleum systems of the Trias/Ghadames Province, Algeria, Tunisia, and Libya; the Tanezzuft-Oued Mya, Tanezzuft-Melrhir, and Tanezzuft-Ghadames
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Abstract
Undiscovered conventional oil and gas resources were assessed within total petroleum systems of the Trias/Ghadames Province (2054) as part of the U.S. Geological Survey World Petroleum Assessment 2000. The Trias/Ghadames Province is in eastern Algeria, southern Tunisia, and westernmost Libya. The province and its total petroleum systems generally coincide with the Triassic Basin. The province includes the Oued Mya Basin, Melrhir Basin, and Ghadames (Berkine) Basin. Although several total petroleum systems may exist within each of these basins, only three “composite” total petroleum systems were identified. Each total petroleum system occurs in a separate basin, and each comprises a single assessment unit.
The main source rocks are the Silurian Tanezzuft Formation (or lateral equivalents) and Middle to Upper Devonian mudstone. Maturation history and the major migration pathways from source to reservoir are unique to each basin. The total petroleum systems were named after the oldest major source rock and the basin in which it resides.
The estimated means of the undiscovered conventional petroleum volumes in total petroleum systems of the Trias/Ghadames Province are as follows [MMBO, million barrels of oil; BCFG, billion cubic feet of gas; MMBNGL, million barrels of natural gas liquids]:
- Tanezzuft-Oued Mya 830 MMBO 2,341 BCFG 110 MMBNGL
- Tanezzuft-Melrhir 1,875 MMBO 4,887 BCFG 269 MMBNGL
- Tanezzuft-Ghadames 4,461 MMBO 12,035 BCFG 908 MMBNGL
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Total petroleum systems of the Trias/Ghadames Province, Algeria, Tunisia, and Libya; the Tanezzuft-Oued Mya, Tanezzuft-Melrhir, and Tanezzuft-Ghadames |
Series title | Bulletin |
Series number | 2202 |
Chapter | C |
DOI | 10.3133/b2202C |
Edition | Version 1.0 |
Year Published | 2000 |
Language | English |
Publisher | U.S. Geological Survey |
Description | iv, 114 p. |
Larger Work Title | U.S. Geological Survey World Petroleum Assessment 2000 |
Country | Algeria, Libya, Tunisia |
Online Only (Y/N) | Y |
Google Analytic Metrics | Metrics page |