Research Article

In Situ Stress Distribution and Its Control on the Coalbed Methane Reservoir Permeability in Liulin Area, Eastern Ordos Basin, China

Figure 7

Scatter diagrams of coefficient of lateral stress and burial depth: (a) relationship between the lateral stress coefficient and the Hoek–Brown stress envelope; (b) the relationship between the lateral stress coefficient and the stress envelope in China.
(a)
(b)