Biostratigraphy and reservoir characteristics of the Ordovician Wufeng Formation-Silurian Longmaxi Formation shale in the Sichuan Basin and its surrounding areas, China |
WANG Hongyan,SHI Zhensheng,SUN Shasha |
Fig. 1. Distribution and data points of the Wufeng-Longmaxi Formation in the Sichuan Basin and its surrounding areas. |