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3 场发射扫描电镜下不同形态黄铁矿微观特征 （a）不规则形黄铁矿，发育在有机质富集区，与有机质共生，城页1井，2 011.41 m；（b）大颗粒草莓状黄铁矿发育，自形晶黄铁矿散落分布在有机质富集区，城页1井，2 023.02 m；（c）立方体自形单晶黄铁矿，城页1井，2 023.02 m

Fig.3 Microscopic characteristics of different forms of pyrite under field emission scanning electron microscope