China University of Petroleum

Xiaofeng Tian

Hao Chen

Yang Li

Wen Liu

Lijun Zhang

Feng Luo

Xiliang Liu

Xinyu Qi

Mingsheng Zuo

Baoxi Yang

Linxi Yang

Pengbo Li

Weiming Cheng

Borui Li

Zhizhen Lin

Ruwei Zhang

Renfeng Yang

Qiuting Li

Xianhong Tan

A minimum miscible pressure prediction method for a CO-crude oil system considering reservoir well spacing is provided, including: obtaining characteristic parameters of each component of crude oil; based on the characteristic parameters of each component of the crude oil, obtaining corresponding bubble point or dew point pressures, as well as corresponding oil-gas interfacial tension, oil phase and gas phase densities, and viscosities under different injected gas contents; based on the corresponding bubble point or dew point pressures, as well as the corresponding oil-gas interfacial tension, oil phase and gas phase densities, and viscosities under different injected gas contents, constructing a minimum miscible pressure prediction model for the CO-crude oil system considering the reservoir well spacing; and based on the minimum miscible pressure prediction model for the CO-crude oil system considering the reservoir well spacing, obtaining minimum miscible pressure values for the CO-crude oil system under different reservoir well spacing.

Minimum miscible pressure prediction method for CO-crude oil system considering reservoir well spacing

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Beijing, China

Xiaofeng Tian