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Received September 3, 2015
Accepted July 11, 2016
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The Prediction of Minimum Miscible Pressure for CO2 EOR using a Process Simulator

Department of Chemical Engineering, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul, 05029, Korea 1Department of Mineral Resources Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Korea 2Department of Mechanical Engineering, Konkuk University, 120, Neungdong-ro, Gwangjin-gu, Seoul, 05029, Korea
Korean Chemical Engineering Research, October 2016, 54(5), 606-611(6), 10.9713/kcer.2016.54.5.606 Epub 6 October 2016
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Abstract

Carbon dioxide injection is a widely known method of enhanced oil recovery (EOR). It is critical for the CO2 EOR that the injected CO2 to reach a condition fully miscible with oil. To reach the miscible point, a certain level of pressure is required, which is known as minimum miscibility pressure (MMP). In this study, a MMP prediction method using a process simulator is proposed. To validate the results of the simulation, those are compared to a slim tube experiment and several empirical correlations of previous literatures. Aspen HYSYS is utilized as the process simulator to create a model of CO2/crude oil encounter. The results of the study show that the process simulator model is capable of predicting MMP and comparable to other published methods.

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