Accumulation Mechanism of Marine Shale Gas Reservoir in Anticlines: A Case Study of the Southern Sichuan Basin and Xiuwu Basin in the Yangtze Region

Figure 9

FEB-HIM photos of the organic-rich shale of the Jiaoye-1 Well in the Jiaoshiba block in the Lower Silurian Longmaxi Formation. The burial depth of the samples is 2405 m, the TOC is 4.44%, and the Ro is 0.58%. See Figure 1 for the well locations.