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. |