Reconstruction and petroleum geological significance of lithofacies paleogeography and paleokarst geomorphology of the Middle Permian Maokou Formation in northwestern Sichuan Basin, SW China

ZHONG Yuan,YANG Yueming,WEN Long,LUO Bing,XIAO Di,LI Minglong,CHEN Cong,ZHAO Like,LU Feifan,TAN Xiucheng

Fig. 5. The sequence boundary between LSC2 and LSC3. (a) Stratigraphic column of Well ST1; (b) Stratigraphic column of Changjianggou Section; (c) Imaging log of Well YB224; (d) Imaging log of Well YB3; (e) Changjianggou Section.