多孔介质中水气交替注入微观渗流模拟

杨永飞; 尹振; 姚军; 李亚军; 王晨晨

doi:10.3799/dqkx.2013.083

Volume 38 Issue 4

Jul. 2013

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Article Navigation > Earth Science > 2013 > 38(4): 853-858

YANG Yong-fei, YIN Zhen, YAO Jun, LI Ya-jun, WANG Chen-chen, 2013. Pore-Scale Simulation of Microcosmic Flow during Water-Alternating-Gas (WAG) in Porous Media. Earth Science, 38(4): 853-858. doi: 10.3799/dqkx.2013.083

Citation:

YANG Yong-fei, YIN Zhen, YAO Jun, LI Ya-jun, WANG Chen-chen, 2013. Pore-Scale Simulation of Microcosmic Flow during Water-Alternating-Gas (WAG) in Porous Media. Earth Science, 38(4): 853-858. doi: 10.3799/dqkx.2013.083

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Pore-Scale Simulation of Microcosmic Flow during Water-Alternating-Gas (WAG) in Porous Media

doi: 10.3799/dqkx.2013.083

School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China

Received Date: 2013-01-10
Publish Date: 2013-07-01

Abstract

Abstract

In order to better understand the pore-scale physics of three phase flow during water-alternating-gas (WAG) injection, we simulate the WAG process in different wettability systems based on a 3-D pore-scale network model in this study, and the saturation paths, occupancy statistics and displacement statistics are obtained. The results show that oil is almost displaced during the first 2 WAG cycles; then, saturation and occupancy statistics of fluids reach a steady condition; the existence of double and multiple displacement chains enhances oil recovery. The obtained fluid saturation variation, fluid distribution and displacement type during WAG give good interpretation for the micro displacement mechanism in porous media.
- water-alternating-gas,
- pore-scale physics,
- three-phase flow,
- 3-D network model,
- multiple displacement chain,
- petroleum geology

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References(18)

References

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