C. Opara, M. Ohakwereze, and O. Adizua, “Quantitative prediction of overburden pressure and overpressure zones using well logs - a case study of an x-field in the Niger-delta basin, Nigeria”, IJAG, vol. 6, no. 1, pp. 65–71, Jan. 2018, doi: 10.14419/ijag.v6i1.8713.