鄂尔多斯盆地华池地区延长组7段页岩油储层孔隙结构特征及控制因素

黄伟凯,周新平,刘江艳,贺彤彤,马晓峰,陶辉飞,李树同,郝乐伟

Characteristics and controlling factors of pore structure of shale in the seventh member of Yanchang Formation in Huachi area, Ordos Basin

Weikai HUANG,Xinping ZHOU,Jiangyan LIU,Tongtong HE,Xiaofeng MA,Huifei TAO,Shutong LI,Lewei HAO

图4 场发射扫描电镜有机质孔形态及发育位置 （a）不规则形有机质孔，2 011.41 m；（b）近圆形或不规则形的有机质孔，2 036.08 m；（c）近圆形、不规则形有机质孔，2 023.02 m；（d）近圆形、不规则形有机质孔，2 023.02 m；（e）近圆形或气泡形的有机质孔，2 018.7 m；（f）不规则型有机质孔，2 018.7 m；（g）有机质内部裂缝形孔，2 041.77 m；（h）有机质与矿物颗粒接触，狭缝形孔，2 018.7 m；（i）狭缝形有机质孔，2 01 8.7 m

Fig.4 Morphology and development position of organic matter pores under field emission scanning electron microscope