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Received July 28, 2011
Accepted October 11, 2011
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Parameter estimation in multiple contact CO2 miscibility simulation with uncertain experimental core flooding data
Department of Natural Resources and Environmental Eng., Dong-A University, Busan 133-791, Korea 1Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Korea
wslee@kigam.re.kr
Korean Journal of Chemical Engineering, June 2012, 29(6), 750-755(6), 10.1007/s11814-011-0264-5
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Abstract
CO2 flooding, which is an efficient method of enhanced oil recovery, is a very complicated process involving phase behavior. To understand the performance of CO2 flooding and provide accurate data for designing reservoir development, a comprehensive investigation of the phase behavior of CO2 miscible flooding and an accurate compositional reservoir simulation needs to be conducted. In PVT modeling, an effective and more physically reasonable equation of state model was achieved and the feasibility of CO2 miscible flooding was determined by multiple contact minimum miscibility pressure (MCMMP) calculation. Furthermore, compositional reservoir simulation studies for predicting CO2 miscible performance were designed and constructed with core flooding data. By matching with laboratory core flooding data, we can estimate parameters with uncertainty. The objective of this study was to find a work flow for_x000D_
parameter estimation in CO2 miscible flooding process that can be used to design and optimize field CO2 miscible floods.
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Aziz K, Settari A, Petroleum Reservoir Simulation, Applied Science Publishers, London (1979)
