致密砂岩储层孔⁃喉连通性研究
秦洋,姚素平,萧汉敏

An investigation into pore⁃throat connectivity in tight sandstone reservoir: A case of the Chang 7 Reservoir in Ordos Basin
Yang Qin,Suping Yao,Hanmin Xiao
图4 三块典型样品的大视域电镜照片
(a)(b)泥质粉砂岩样品;(c)(d)油浸细砂岩样品;(e)(f)油斑粉砂岩样品
Fig.4 SEM images of large field for three typical sandstone samples