An exploration breakthrough in Paleozoic petroleum system of Huanghua Depression in Dagang Oilfield and its significance, North China |
ZHAO Xianzheng,PU Xiugang,JIANG Wenya,ZHOU Lihong,JIN Fengming,XIAO Dunqing,FU Lixin,LI Hongjun |
Fig. 8. Planar distribution of secondary gas-generation intensity of Upper Paleozoic coal-measure source rocks in the central and southern Huanghua Depression. |