Development and identification of petrophysical rock typing for effective reservoir characterization by Bior Barach, Bior Artem, Jaafar, Mohd. Zaidi, Gaafar, Gamal Ragab, Agi, Augustine, Junin, Radzuan, Sidek, Akhmal, Gbadamosi, Afeez, Yakasai, Faruk, Oseh, Jeffrey, Gbonhinbor, Jeffrey