The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model.
给出了极限井底流压和产量拐点的求解方法，分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。
Idea of drainage area based on whole image information takes account of local information when it is applied on gradient image.
流域思想利用了整体信息，应用于梯度图像上，兼顾了细部信息。
Idea of drainage area based on whole image information takes account of local information when it is applied on gradient image.
流域思想利用了整体信息，应用于梯度图像上，兼顾了细部信息。
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