A Short Note on the Petroleum Potential of the Sokoto Basin in North-western Nigeria
Petroleum Science and Engineering
Volume 4, Issue 1, June 2020, Pages: 34-38
Received: Feb. 12, 2020;
Accepted: Feb. 27, 2020;
Published: Mar. 18, 2020
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Nuhu George Obaje, Nigerian National Petroleum Corporation Chair in Basinal Studies, Ibrahim Badamasi Babangida University, Lapai, Nigeria; Department of Geology, Ibrahim Badamasi Babangida University, Lapai, Nigeria
Umar Zaki Faruq, PTDF Chair, Usmanu Danfodio University, Sokoto, Nigeria
Abdullahi Bomai, Frontier Exploration Services, Nigerian National Petroleum Corporation, Abuja, Nigeria
Sunday Dabai Moses, Frontier Exploration Services, Nigerian National Petroleum Corporation, Abuja, Nigeria
Mohammed Ali, Frontier Exploration Services, Nigerian National Petroleum Corporation, Abuja, Nigeria
Suleiman Adamu, Frontier Exploration Services, Nigerian National Petroleum Corporation, Abuja, Nigeria
Alfred Essien, Research & Development Division, Nigerian National Petroleum Corporation, Portharcourt, Nigeria
Umar Lamorde, Research & Development Division, Nigerian National Petroleum Corporation, Portharcourt, Nigeria
Umar Mohammed Umar, Department of Geology, Ibrahim Badamasi Babangida University, Lapai, Nigeria
Toochukwu Ozoji, Department of Geology, Ibrahim Badamasi Babangida University, Lapai, Nigeria
Perpertua Okonkwo, Department of Chemistry, Ibrahim Badamasi Babangida University, Lapai, Nigeria
Lukman Adamu, Department of Earth Sciences, Kogi State University, Anyigba, Nigeria
Abdullahi Idris-Nda, Department of Geology, Federal University of Technology, Minna, Nigeria
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The stratigraphy of the Sokoto Basin has the Illo/Gundumi Formation at the bottom, followed successively upward by the Taloka, Dukamaje, Wurno, Dange, Kalambaina, Gamba and GwanduFormations. Re-mapping of the basin carried out in this studyshows that the geological framework remainslargely as previously outlined except that some hitherto unreported tectonically controlled structures have been documented. The basin is generally shallower at the margin and deepens towards the centre such that the areas around the border with Niger Republic are deepest and hence most prospective on the Nigerian side. Geophysical aeromagnetic interpretation has assistedto analyze the depth to basement configurations. Organic geochemical studies show that the dark shales and limestones of the Dukamaje Formation constitute the source rocks in the potential petroleum system. With averages for source rock thickness of 50m, area of basin of 60,000km2, TOC of 7.5wt%, and HI of 212mgHC/gTOC, charge modeling indicates 808.10 million barrels of oil equivalent extractable hydrocarbons in the Sokoto Basin, at current knowledge of the geology and if the appropriate maturity has been attained at deeper sections. The sandstones of the Illo/Gundumi Formation as well as in the Taloka and Wurno Formations and carbonates of the Kalambaina Formation provide potential reservoir packages. The paper shale of the Gamba Formation and the clays of the Gwandu Formation provide regional seals. If the presently mapped tectonic structures are ubiquitous in the whole basin, structural and stratigraphic traps may upgrade the petroleum system. Other petroleum systems may exist in the basin with either or both the Illo/Gundumi and Taloka Formation (s) providing the source and reservoir rocks.
Sokoto Basin, Dukamaje Formation, Hydrocarbons, Petroleum System, Reservoirs
To cite this article
Nuhu George Obaje,
Umar Zaki Faruq,
Sunday Dabai Moses,
Umar Mohammed Umar,
A Short Note on the Petroleum Potential of the Sokoto Basin in North-western Nigeria, Petroleum Science and Engineering.
Vol. 4, No. 1,
2020, pp. 34-38.
Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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