Formation conditions and enrichment model of retained petroleum in lacustrine shale: A case study of the Paleogene in Huanghua depression, Bohai Bay Basin, China |
ZHAO Xianzheng,ZHOU Lihong,PU Xiugang,JIN Fengming,SHI Zhannan,HAN Wenzhong,JIANG Wenya,HAN Guomeng,ZHANG Wei,WANG Hu,MA Jianying |
Fig. 1. Location of the Cangdong Sag and composite stratigraphic column of the Kong 2 Member (XRD-X-ray diffraction). |