Characteristics and main controlling factors of reservoirs in the fourth member of Sinian Dengying Formation in Yuanba and its peripheral area, northeastern Sichuan Basin, SW China

JIN Mindong,LI Bisong,ZHU Xiang,DAI Lincheng,JIANG Zhili,WU Hao,LI Hui,YANG Peiyun

Fig. 1. Distribution map of thickness (a) and composite stratigraphic column (b) of the fourth member of Dengying Formation in northeastern Sichuan Basin.