Abstract

Enhanced oil recovery (EOR) technology has gained a lot of attention during last decades. Declining oil production from brown fields is a major concern for oil companies. One of these mature fields is the X field, a carbonate oilfield in the Middle East, discovered in 1908. In this study, in addition to considering an EOR plan for the X field, it is aimed to investigate the effect of rock wettability on recovery process by means of two reported wettability data sets of the X field. Results of EORgui software show a sensitive dependence of oil recovery on initial rock wettability. Results of a laboratory chemical coreflooding experiment on the field core samples have been also included in the study.

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