Research Article

A Case Study on Preservation Conditions and Influencing Factors of Shale Gas in the Lower Paleozoic Niutitang Formation, Western Hubei and Hunan, Middle Yangtze Region, China

Figure 11

Burial history of the Є1n shale (a) and structural evolution diagram (b) in the Western Hubei and Hunan area.
(a)
(b)