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通过建立砂岩孔隙喉道的平面模型,利用扫描电子显微镜的图象处理得到的孔隙直径、喉道宽度、面孔率等数据,推导出表征砂岩储集性能的“视渗透率”公式;实验得到的视渗透率数据与渗透率具有较好的相关性。
Through the establishment of the plane model of sandstone pore throat and the data of pore diameter, throat width and porosity of the image processed by scanning electron microscope, the “apparent permeability” formula is deduced to represent the reservoir performance of sandstone. The experimentally obtained Depending on the permeability data and permeability has a good correlation.