Study on the Rock Fracture during Fluid Injection Using a Coupled Flow-Stress-Damage (FSD) Model: Insight into the Stress Shadow Effect

Table 1

The input parameters of the model

Index	Parameters
Homogeneity (m)	1.5, 2, 3, 5, 1 000
Elastic modulus, E0 (GPa)	6
Uniaxial compressive strength σ (MPa)	100
Poisson’s ratio μ	0.25
Internal friction (°)	40
Uniaxial tensile strength σ (MPa)	10
Permeability coefficient k/m·d^−1	9×10-3
Pore pressure coefficient (α)	0.6
Coupling efficient, β	0.01