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Petrophysical Evaluation of Nwosa Field, Offshore Niger Delta, Nigeria; Implication for Depositional Environment

Author

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  • Mba-Otike, M. N.

    (Department of Geology, Dennis Osadebay University, Asaba)

  • Odiaka, N. I

    (Department of Geology, Dennis Osadebay University, Asaba)

  • Ideozu, R. U.

    (Department of Geology University of Port Harcourt)

Abstract

Well log data were studied to evaluate their petrophysical properties and to decipher the depositional environment of sediments in Nwosa Field, Offshore Niger Delta. The materials used for this study comprised well log data (detailed measurements from various geological formations) well header data (metadata of each well, as well as identification and operational details, deviation data (indicating the angles of deviation of each well from vertical) and the Petrel Software was employed for geological modeling and analysis. A reservoir bodies X was identified, with the environment of deposition for reservoir interpreted as a deltaic sequence occurring at a depth of 8510-8600ft. While below the deltaic sequence is a bar at a depth of 7940-800ft. The average petrophysical parameters were calculated for reservoir X and the properties obtained are porosity (21%), permeability (1533.7md), net-to-gross (0.608911), oil saturation (55%) and STOIIP (63.0111mmstb). This is an implication that the reservoir formation is porous and permeable with good interconnected pore spaces within the reservoir stratigraphic units.

Suggested Citation

  • Mba-Otike, M. N. & Odiaka, N. I & Ideozu, R. U., 2025. "Petrophysical Evaluation of Nwosa Field, Offshore Niger Delta, Nigeria; Implication for Depositional Environment," International Journal of Research and Scientific Innovation, International Journal of Research and Scientific Innovation (IJRSI), vol. 12(1), pages 876-883, January.
    • Handle: RePEc:bjc:journl:v:12:y:2025:i:1:p:876-883
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