New Water-Oil Displacement Efficiency Prediction Method

Haohan Liu1, 2, *
Post-doctoral research station, southwest petroleum university, Chengdu, China.

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© Liu et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: * Address correspondence to this author at the Post-doctoral research station, southwest petroleum university, Chengdu, China.


There is seldom research on describing the changing trend of water-oil displacement efficiency based on time and water drive frontal position. In previous study, our team gave the theoretical expression of water saturation in oilwater fluid flow area based on time and distance. In this work, we mainly focus on the prediction of water-oil displacement efficiency combining the permeability experiment and theoretical expression of water saturation. This new expression gives the micro water-oil displacement efficiency in different frontal position and time. The prediction results show: that the predicting accuracy is high and practicable, and we can shorten the time and cost of experiment and this prediction method is meaningful in guiding the actual oilfield development.

Keywords: Permeability experiment, prediction, water-oil displacement efficiency, water saturation.