Nader, A. F. ., R. J. Muhammad, W. M. . Saleh, M. S. . Abdullah, and A. Q. . Atwan. “Evaluation of Main Pay- Zubair Formation After Operations Re-Injection of Produced Water Directly In Rumaila Oil Field Norths under Matrix Condition”. Journal of Petroleum Research and Studies, vol. 12, no. 2, June 2022, pp. 13-36, doi:10.52716/jprs.v12i2.655.