Water/oil radial flow behavior near well bore zones in oil reservoir
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Abstract:
The flow behavior of water and oil near well bore zones in oil reservoir is radial flow. Based on the fluid displacement experiments in radial systems, the equation describing radial flow is investigated and analytical solution about the relationship between relative permeability ratio and saturation is obtained. The analytical solution is used to treat the experiment results and the two phase flow behavior of water and oil is characterized. The results show that the analytical solution can characterize the actual flow of water and oil near well bore zone. According to the radial experiments, the saturation scope in which the relative permeability ratio and saturation is linear is smaller. The flow behavior of water and oil near well bore zones is complex and nonlinear.
