Performance analysis of a water-drive oil reservoir: An oilfield case study

Mohammed, Omar Ali Bawahab and Dmour, Hazim (2023) Performance analysis of a water-drive oil reservoir: An oilfield case study. GEOSCIENCES AND ENGINEERING: A PUBLICATION OF THE UNIVERSITY OF MISKOLC, 11 (1). pp. 117-132. ISSN 2063-6997

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Abstract

One of the primary responsibilities of a reservoir engineer is to evaluate the per- formance of hydrocarbon reservoirs to estimate the original hydrocarbons in place, reserves, ultimate oil/gas recovery factor. This responsibility becomes complicated in the case of wa- ter-drive reservoirs due to the high uncertainty associated with aquifer properties, including rock properties and aquifer geometry. This paper presents a new method to find the optimum aquifer model based on the root mean square error (RMSE) values by using MBAL software. The study investigated the transmissibility between the X, Y, and Z reservoirs in the field. Additionally, the original oil-in-place (OOIP) was estimated by using material balance equa- tion and Monte Carlo concepts.

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