CORTEZ NAVAS, S.; LEMA SARABIA, C.; ÁLVAREZ MARTÍNEZ, J.; SALAZAR ANALUISA, B.; MANTILLA RIVADENEIRA, A. Experimental study of application of conventional SAGD compared with SAGD using additives (CO2 and enzyme) for the recovery of extra-heavy crude from Pungarayacu field. FIGEMPA: Investigación y Desarrollo, Quito, EC, v. 10, n. 2, p. 24–31, 2020. DOI: 10.29166/revfig.v1i2.2537. Disponível em: https://revistadigital.uce.edu.ec/index.php/RevFIG/article/view/2537. Acesso em: 19 feb. 2026.