Almalikee, H.S., Almayyahi, H.K. and Al-Jafar, M.K. 2022. Using Nahr Umr Aquifer as an Additional Source of Injection Water for the X Oilfield. Journal of Petroleum Research and Studies. 12, 1(Suppl.) (Apr. 2022), 123-137. DOI:https://doi.org/10.52716/jprs.v12i1(Suppl.).626.