Heterogeneous geological conditions and differential enrichment of medium and high maturity continental shale oil in China

HU Suyun,BAI Bin,TAO Shizhen,BIAN Congsheng,ZHANG Tianshu,CHEN Yanyan,LIANG Xiaowei,WANG Lan,ZHU Rukai,JIA Jinhua,PAN Zhejun,LI Siyang,LIU Yuxi

Fig. 5. Main types of reservoir rocks of continental shale oil in China. (a) Chang-7 Member of Ordos Basin, argillaceous siltstone; (b) Qing-1 Member of Shongliao Basin, lamellar shale rich in organic matter; (c) Cretaceous of Jiuquan Basin, limy shale; (d) Chang-7 Member of Ordos Basin, clayey shale; (e) Lucaogou Formation in Jimusar Sag, dolomitic siltstone; (f) Qing-1 Member of Songliao Basin, massive mudstone.