Volumetric and Material Balance Methods of Reserve Estimation: A Comparative Study using Niger Delta Reservoirs. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT, [S. l.], v. 4, n. 9, p. 42–52, 2018. DOI: 10.31695/IJERAT.2018.3322. Disponível em: https://ijerat.com/index.php/ijerat/article/view/395.. Acesso em: 27 apr. 2024.