2020. Characteristics of the Oil Water Contact Zone of Nhar Umr and Mishrif Reservoirs in Kumait and Dujaila Oil Fields, Southern Iraq, Using Vp/Vs Ratio and Porosity Logs Data. Iraqi Journal of Science. 61, 11 (Nov. 2020), 3009–3016. DOI:https://doi.org/10.24996/ijs.2020.61.11.22.