Redox conditions and organic enrichment mechanisms of black shale:A case from the Wufeng-lower Longmaxi Formations in Well A in Zhaotong shale gas demonstration area
Wang Pengwan, Zhang Lei, Li Chang, Li Xianjing, Zou Chen, Zhang Zhao, Li Junjun, Li Qingfei
Oil & Gas Geology . 2017, (5): 933 -943 .  DOI: 10.11743/ogg20170512