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    Study on the Variation Rule of Produced Oil Components during CO2 Flooding in Low Permeability Reservoirs

    Ganggang Hou1, Tongjing Liu1, *, Xinyu Yuan1, Jirui Hou1, Pengxiang Diwu2

    CMES-Computer Modeling in Engineering & Sciences, Vol.123, No.3, pp. 1223-1246, 2020, DOI:10.32604/cmes.2020.09008

    Abstract CO2 flooding has been widely studied and applied to improve oil recovery from low permeability reservoirs. Both the experimental results and the oilfield production data indicate that produced oil components (POC) will vary during CO2 flooding in low permeability reservoirs. However, the present researches fail to explain the variation reason and rule. In this study, the physical model of the POC variation during CO2 flooding in low permeability reservoir was established, and the variation reason and rule were defined. To verify the correctness of the physical model, the interaction rule of the oil-CO2 system was studied by… More >

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