Influence of DC Electric Field on the Oil-water Relative Permeability in Water-drive Reservoir

Authors

Ji-hong ZHANG, Reserch Center of Enhanced Oil Recovery, Petroleum University of China, Beijing 102249, China; Department of Petroleum Engineering of Daqing University, Daqing 163318, ChinaFollow
Xiang-an YUE, Reserch Center of Enhanced Oil Recovery, Petroleum University of China, Beijing 102249, China; Department of Petroleum Engineering of Daqing University, Daqing 163318, China
Jing YANG, Department of Petroleum Engineering of Daqing University, Daqing 163318, China
Ying LIU, Department of Petroleum Engineeringof Daqing University, Daqing 163318, China
Hong-ling LI, Reserch Center of Enhanced Oil Recovery, Petroleum University of China, Beijing102249, China

Corresponding Author

Ji-hong ZHANG(dqzhjh@126.com)

Abstract

The effects of DC electric field strength and direction on oil-water relative permeability and the influence mechanism in reservoir were studied and analysed. The results of experiments indicated that, with the application of external electric field, the core samplesbecomes more hydrohilic, irreducible water saturation increasesand residual oil saturation decreases. Meanwhile, oil relative permeability increases and water relative permeability decreases with increasingof the strength of external electric field. It is demonstrated as well that the different seepage flow behaviors, the structure change of double-electric-layer surface and the electric-viscous effect of polar and non-polar phaseare the main factors influencingoil-water relative permeability.

Keywords

DC electric field, Relative permeability, Seepage flow behavior

DOI Link

https://doi.org/10.61558/2993-074X.1643

Publication Date

2005-05-28

Online Available Date

2005-05-28

Revised Date

2004-12-14

Received Date

2004-10-25

Recommended Citation

Ji-hong ZHANG, Xiang-an YUE, Jing YANG, Ying LIU, Hong-ling LI. Influence of DC Electric Field on the Oil-water Relative Permeability in Water-drive Reservoir[J]. Journal of Electrochemistry, 2005 , 11(2): 215-218.
DOI: 10.61558/2993-074X.1643
Available at: https://jelectrochem.xmu.edu.cn/journal/vol11/iss2/19