Akpan, Nsikan M., et al. “Assessment of Well Log Correlation and Petrophysical Characterization of D1 Reservoir Sands in the OKW Field, Southeastern Niger Delta, Nigeria”. Researchers Journal of Science and Technology, vol. 6, no. 6, July 2026, pp. 46-62, doi:10.83080/rejost.vol6no6.313.