Flow Characteristics of Viscoelastic Polymer in Microchannel | |
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( Volume 1 Issue 5,November 2015 ) OPEN ACCESS | |
Author(s): | |
Jipeng Zheng, Yulin Ye, Liuying Yan | |
Abstract: | |
Polymer flooding can not only accelerate the rate of oil production but also improve the efficiency of oil production. The finite volume method is used to study flow characteristics of viscoelastic polymer in microchannel. The results showed that: the displacement efficiency of the viscoelastic polymer is better than that of water. The greater the viscosity of the polymer, the greater the drag force rid of residual oil and the displacement efficiency increases as well. As the polymer’s viscosity increasing, the flow region of concave corner may increase but the retention area of residual oil may be decreased, the spread area of the polymer in the voids increase and the displacement efficiency increases. The results can provide a theoretical basis for oilfield polymer selection and optimization. |
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