川东南丁山与焦石坝地区五峰组—龙马溪组页岩气富集条件差异分析与思考
魏祥峰,刘珠江,王强,魏富彬,袁桃

Analysis and thinking of the difference of Wufeng-Longmaxi shale gas enrichment conditions between Dingshan and Jiaoshiba areas in southeastern Sichuan Basin
Xiang-feng WEI,Zhu-jiang LIU,Qiang WANG,Fu-bin WEI,Tao YUAN
图6 DY4井、JY2井五峰组—龙马溪组页岩气层段古氧相柱状图
Fig.6 Histograms of paleooxygen facies in the shale gas layers of Wufeng-Longmaxi formations in Wells of DY4 and JY2