Quantitative characterization and influencing factors of free oil content in lacustrine shale： A case study of Funing Formation in the Gaoyou Sag， Subei Basin
Tian LIU, Xiaoping LIU, Qidong LIU, Hongliang DUAN, Shili LI, Biao SUN, ZuXian HUA
Oil & Gas Geology . 2023, (4): 910 -922 .  DOI: 10.11743/ogg20230409