A Fully Coupled Hydromechanical Model for CO₂ Sequestration in Coal Seam: the Roles of Multiphase Flow and Gas Dynamic Diffusion on Fluid Transfer and Coal Behavior

Figure 10

The spatial distribution of (a) permeability ratio, (b) water saturation, (c) Young’s modulus, and (d) Poisson’s ratio after 1 day, 20 days, 100 days, and 500 days of injection.

(a)

(b)

(c)

(d)