The Influence of Phase State Interconversion on Oil Displacement Efficiency in Chemical Flooding

Xinjiang Petroleum Geology ›› 2002, Vol. 23 ›› Issue (5): 411-414.

The Influence of Phase State Interconversion on Oil Displacement Efficiency in Chemical Flooding

CHEN Min-feng, LANG Zhao-xin

Received:2001-11-20 Revised:2002-03-16 Online:2002-10-01 Published:2020-08-11
About author:CHEN Min-feng (1971-), Male, Doctor Candidate, Petroleum Engineering, Petroleum Engineering Department of University of Petroleum, Beijing 102200, China

Abstract

Abstract: In this paper, influence in chemical flooding from change of phase state and capillary number under different phase state on the end value, exponent of relative permeability curve and residual oil saturation are discussed. Also presented is the experimental oil displacement efficiency of displacing phase at different capillary number in different rocks with varied wettability. The results demonstrate that optimal system should be held to enhance oil recovery largely.

Key words: chemical flooding, capillary number, relative permeability curve, oil displacement efficiency

CLC Number:

TE357.43

CHEN Min-feng, LANG Zhao-xin. The Influence of Phase State Interconversion on Oil Displacement Efficiency in Chemical Flooding[J]. Xinjiang Petroleum Geology, 2002, 23(5): 411-414.

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The Influence of Phase State Interconversion on Oil Displacement Efficiency in Chemical Flooding

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