Mohammed Abubakar Mohammed. Petrophysical Evaluation and Volumetric Estimation of Hydrocarbon Reserves in Otio Field, Niger Delta. IJEEG [Internet]. 2025 Dec. 17 [cited 2026 Jan. 18];16(4):1-12. Available from: https://econ-environ-geol.org/index.php/ojs/article/view/713