2013•Advanced materials researchOpen access

Evaluation of Potential of Remaining Oil after Polymer Flooding

Li Yan Sun, Hai Dong Shi, Hao Yang, Ji Cheng Zhang

Abstract

Figuring out the rule of remaining oil distribution after polymer flooding is the basis for continuing study on development policy after polymer flooding in Daqing Oil Field. Based on the basic principles of percolation mechanics, percolation mechanics of polymer flooding reservoirs under fixed injection pressure and injection rate was studied, the mechanism of remaining oil changes after polymer flooding was investigated; According to the numerical simulation results, the rule of remaining oil distribution in Daqing oilfield has been given out. This will be theoretical and practical guidance for enhancing oil recovery after polymer flooding.

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Key concepts: Petroleum engineering, Percolation (cognitive psychology), Oil field, Polymer, Flooding (psychology), Percolation theory, Figuring, Water flooding