非牛顿流体的二相驱替问题
Two-Phase Displacement of Non-Newtonian Fluid
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摘要: 本文考虑非牛顿流体的二相驱替问题.假设石油是非牛顿流体,满足带有初始压力梯度的直线渗透定律,对于一维问题推导了孔隙介质以及裂缝-孔隙介质中水驱非牛顿石油问题的基本方程,并且求得了数值解.通过和牛顿流情况的比较,揭示了水驱非牛顿石油的基本规律.Abstract: This paper considers the problem of non-Newtonian oil displacement by water in porous media, adopting the linear permeation law with initial pressure gradient. For one-dimensional flow, the basic equation of non-Newtonian oil displacement by water in sandstone reservoirs and fractured reservoirs is derived and numerical solutions are obtained. The results are compared with the corresponding ones for Newtonian oil displacement to show the essential characteristics of non-Newtonian oil displacement by water.
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