径向非均质油藏低速非达西渗流试井分析

Well Testing Analysis at Low Velocity in Radially Heterogeneous Reservoirs

首先研究了非均质径向油藏低速非达西渗流动边界问题的数值解 ,然后给出了含启动压力梯度和地层流量分布的井底压力及其导数关系式 。

In this paper we studied the numerical solutions of non-darcy flow in radially heterogeneous reservoirs, and presented the formulation of wellbore pressure and its derivative including the initial pressure gradient. Finally, we analyzed the effect of the initial pressure gradient on the pressure curves.