Characteristics and Origin of Methane Adsorption Capacity of Marine, Transitional, and Lacustrine Shales in Sichuan Basin, China

Figure 3

Methane adsorption capacity of different types of shale. All 5 sets of shales have high methane adsorption capacity, among which the Longtan Formation Shale has the strongest methane adsorption capacity, followed by the Qiongzhusi Formation and the Longmaxi Formation.