Organic matter transformation ratio, hydrocarbon expulsion efficiency and shale oil enrichment type in Chang 7<sub>3</sub> shale of Upper Triassic Yanchang Formation in Ordos Basin, NW China

ZHAO Wenzhi, BIAN Congsheng, LI Yongxin, LIU Wei, DONG Jin, WANG Kun, ZENG Xu

Petroleum Exploration and Development . 2023, (1): 14 -26 . DOI: 10.1016/S1876-3804(22)60366-5