鄂尔多斯盆地陕北地区长7段页岩油储层微观特征及控制因素

马文忠,王永宏,张三,冯胜斌,郝炳英,崔晓丽

Microscopic characteristics and controlling factors of Chang 7 Member shale oil reservoir in northern Shaanxi area， Ordos Basin

Wenzhong MA,Yonghong WANG,San ZHANG,Shengbin FENG,Bingying HAO,Xiaoli CUI

图5 陕北地区长7段储层孔隙类型 （a）胡248井，2 230.7 m，长72亚段，粒间孔、溶孔发育，铸体片，单偏光，×200；（b）黄212井，2 482.3 m，长71亚段，粒间孔、溶蚀孔，铸体片，单偏光， ×50；（c）新538井，1 990.01 m，长73亚段，粒间孔，SEM，×824；（d）黄212井，2 480.32 m，长71亚段，碎屑溶蚀蚀变绿泥石残余孔，SEM，×1 963；（e）盐343井，2 570.6 m，长71亚段，长石粒内溶孔，SEM，×3 409；（f）耿291井，2 410.3 m，长71亚段，绿泥石晶间孔，FIB-SEM，×10 000

Fig. 5 Pore types of Chang 7 Member reservoir in northern Shaanxi area