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This study presents a new modification of the Soave-Redlich-Kowng equation of state to determine reservoir-fluid properties for Egyptian black oils. Evaluation of the modification was performed using data of 43 black oil samples representing all active oil producing areas in Egypt. The practical outcome was the need of such equation for reservoir simulation to predict reservoir oil parameters by reservoir engineers in case of the absence the experimental data for PVT analysis. The modified Soave-Redlich-Kowng equation of sate (MSRKE) enabled the prediction of the bubble-point pressure, oil formation volume factor, gas-oil ratio, oil density, crude oil gravity, gas gravity and gas formation volume factor of black oil with average relative errors ranging from 0.01 to 10.713%.Calculations for sensitivity of the proposed (MSRKE) was determined by testing four oil samples collected from different locations in Egypt and comparing the measured PVT properties with those calculated from (MSRKE). These evaluations show an excellent agreement of the measured properties and calculated ones.
A propos de l'auteur
Dr. Eman Mansour is currently working as researcher in the production department of Egyptian Petroleum Research Institute (EPRI) and supervisor of PVT services center in (EPRI). She has ten years of teaching and research experience in enhanced oil recovery (EOR), equation of state and reservoir engineering laboratory analysis (PVT).
