Obidike, Christy Chinonye, Chiazor, Fortune Ijeoma and Ugwueze, Charles Ugwu 2023. Impact of Depositional Facies and Petrophysical Parameters on the Estimated Hydrocarbon-in-place Volume of a Producing Field in the Niger Delta Basin, Nigeria. The International Journal of Science & Technoledge. 11, 3 (Apr. 2023). DOI:https://doi.org/10.24940/theijst/2023/v11/i3/ST2303-005.