多尺度河流相致密砂岩储集层表征及控制因素分析:以苏里格气田下石盒子组8段为例*
毕明威1, 孙娇鹏2, 陈世悦3, 周兆华4, 张满郎4, 钱爱华4

Multiscale description and controlling factors analyses of fluvial tight reservoir: a case study on the 8th Member of Lower Shihezi Formation in Sulige gas field, Ordos Basin
BI Mingwei1, SUN Jiaopeng2, CHEN Shiyue3, ZHOU Zhaohua4, ZHANG Manlang4, QIAN Aihua4
鄂尔多斯盆地苏里格气田苏6区块盒8段致密储集层孔隙类型 A—粗粒岩屑砂岩残余粒间孔隙,单偏光,苏38-16井,3312.1 m; B—长石溶孔,长石选择性溶蚀,正交光,苏38-16-2井,3339.7 m; C—高岭石伊利石化、高岭石溶孔,正交光,苏39-14-2井,3310.8 m; D—高岭石晶间孔、局部高岭石向伊利石转化,扫描电镜,苏39-14-3井,3301.6 m; E—沿长石解理方向形成网格状伊利石,伊利石晶间孔,正交光,苏38-16-6井, 3310.3 m; F—针叶片状自生绿泥石,绿泥石晶间孔,扫描电镜,苏38-16-6井,3305.8 m