Journal of Applied Science and Engineering

Published by Tamkang University Press


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Shu-Ren Liu This email address is being protected from spambots. You need JavaScript enabled to view it.1,2, Wan-Li Kang3, Li-Bin Zhu1, Bin Han1, Xian-Hui Yang1, Xue-Qin Zhang1, Hong-Liang Zhang1 and Peng Lei1

1Well Testing Company, Bohai Drilling and Exploration Engineering Corporation, CNPC, Langfang 065000, P.R. China
2College of Geophysics and Information Engineering, China University of Petroleum (Beijing), Beijing 102249, P.R. China
3Enhanced Oil Recovery Research Institute, China University of Petroleum (Beijing), Beijing 102249, P.R. China


Received: January 18, 2016
Accepted: April 25, 2016
Publication Date: September 1, 2016

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Reservoir heterogeneity is the most important reason for low recovery and early excess water production. Experimental study on uniform mobility displacement was conducted to improve conformance and reduce water channeling for heterogeneous reservoir. The principle and mechanism were founded using a heterogeneous stratified reservoir model. For this model, injection slugs matching different permeable layers can flow simultaneously and achieve a piston-like flow. Mobility contour was proposed to screen polymer concentration. Displacement experiments were conducted in heterogeneous cores to estimate the EOR effect. The results show that uniform mobility displacement can improve oil recovery greater than polymer flooding and ASP flooding. This may provide a new EOR method to reduce water production for heterogeneous reservoir.

Keywords: Uniform Mobility Displacement, Oil Recovery, Heterogeneous Reservoir, Polymer, Mobility Contour


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