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Ejedawe, J.E. (1981). Patterns of Incidence Of Oil Reserves in Niger Delta Basin.American Associatioin of Petroleum Geologists Bulletin 65, 1574-1585.

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Article

Lithofacies Characterization of Sedimentary Succession from Oligocene to Early Miocene Age in X2 Well, Greater Ughelli Depo Belt, Niger Delta, Nigeria

1Department of Geology, University of Benin, P.M.B. 1154 Benin City, Edo State, Nigeria


Journal of Geosciences and Geomatics. 2018, Vol. 6 No. 2, 77-84
DOI: 10.12691/jgg-6-2-5
Copyright © 2018 Science and Education Publishing

Cite this paper:
Lucas F.A, Omodolor Hope E. Lithofacies Characterization of Sedimentary Succession from Oligocene to Early Miocene Age in X2 Well, Greater Ughelli Depo Belt, Niger Delta, Nigeria. Journal of Geosciences and Geomatics. 2018; 6(2):77-84. doi: 10.12691/jgg-6-2-5.

Correspondence to: Omodolor  Hope E, Department of Geology, University of Benin, P.M.B. 1154 Benin City, Edo State, Nigeria. Email: hopeomodolor@gmail.com

Abstract

One hundred and ninety (190) ditch cutting samples of depth range within 20 ft-11820 ft (6.09m-3603.7m) from X2 Well Greater Ughelli Depo Belt, Niger Delta Basin were subjected to sedimentological analysis, with a view to characterizing the sedimentary succession penetrated by the drill. The ditch cutting samples were analyzed using reflected light microscope for lithologic description. The sedimentological analysis reveals forty nine (49) lithozones and seven (7) lithofacies units, deduced based on their mineralogical composition; textural properties; fossil content; and the homogeneity and heterogeneity of the lithofacies units. The major lithofacies units penetrated in the well are sandstone, shaly sand, sandy shale, clay, sandy clay, clayey sand and shale. Its associated minerals include quartz, feldspar and glauconite. Identification of the petroleum play elements and hydrocarbon potential of the X2Well were equally proposed in the Agbada formation within depth (1371.9m – 3603.7m) containing two (2) probable reservoir rocks (Zone 7, with thickness 18.3 meters and zone 15 with thickness 146.4 meters) and six (6) probable source rocks (Zone 2, 4, 6, 8, 10, 12).

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