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.