鄂尔多斯盆地延长组长73亚段泥页岩层系岩石类型特征及勘探意义
刘显阳,李士祥,郭芪恒,周新平,刘江艳

Characteristics of rock types and exploration significance of the shale strata in the Chang 73 sub-member of Yanchang Formation, Ordos Basin
Xianyang LIU,Shixiang LI,Qiheng GUO,Xinping ZHOU,Jiangyan LIU
图6 鄂尔多斯盆地长73亚段砂质岩孔隙度和渗透率分布特征
Fig.6 Distribution characteristics of porosity and permeability of sandy rocks of the Chang 73 sub-member, Ordos Basin