S. ALAMEEDY, Usama. Evaluation of Hydrocarbon Saturation Using Carbon Oxygen (CO) Ratio and Sigma Tool. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 15, n. 3, p. 61–69, 2014. DOI: 10.31699/IJCPE.2014.3.7. Disponível em: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/289. Acesso em: 31 mar. 2025.