Microscopic production characteristics of tight oil in the nanopores of different CO2-affected areas from molecular dynamics simulations

Yongcheng Luo,Xiangui Liu,Hanmin Xiao,Taiyi Zheng

Separation and Purification Technology（2023）

Cited 5|Views9

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Abstract

•Revealing the effect of CO2 on oil potential energy in nanopores.•CO2 solubility and oil swelling factor explained within nanopores.•Influence of CO2 on the recovery law of different components in oil.•Analysis of different water film thickness on CO2 enhanced oil recovery.

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Key words

CO2 EOR,Displacement-affected area,Diffusion-affected area,Nanopores,CO2 solubility,Oil swelling,Oil potential energy

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