Black shale formation environment and its control on shale oil enrichment in Triassic Chang 7 Member, Ordos Basin, NW China
ZHANG Bin,MAO Zhiguo,ZHANG Zhongyi,YUAN Yilin,CHEN Xiaoliang,SHI Yuxin,LIU Guanglin,SHAO Xiaozhou
Fig. 9. Vertical distribution histogram of the kerogen organic carbon and chloroform bitumen "A" carbon isotopic composition in the Well Feng 75.