Table III. List of parameters used in...

Table III.

List of parameters used in simulation of seismicity accompanying fracture propagation

Quantity	Value
Input data for the basic code
Depth of layer	H = 500 m
Elasticity modulus of rock	E = 20 GPa
Poisson’s ratio	ν = 0.25
Principal stresses	σ₁₁ = −7.5 MPa
	σ₂₂ = −5.0 MPa
	σ₃₃ = −4.0 MPa
Input data on fluid
Dynamic viscosity	µ = 3×10⁻⁴MPa·s
Fluid loss coefficient	C = 1.5×10⁻⁴ m/√s
Constant inflow rate	q₀ = 2 m/min
Input data on seeded flaws
Initial cohesion	C_0τ = 0.1 MPa
Average size of flaw	d_av = 1.0 m
Average distance	L_av = 5.11 m
Density of flaws	ξ = 0.20
Number of excluded flaws	6,493
Input data on fracture geometry
Fracture height	H = 50 m
Fracture total length	L = 100 m
Number of steps	10

Quantity	Value
Input data for the basic code
Depth of layer	H = 500 m
Elasticity modulus of rock	E = 20 GPa
Poisson’s ratio	ν = 0.25
Principal stresses	σ₁₁ = −7.5 MPa
	σ₂₂ = −5.0 MPa
	σ₃₃ = −4.0 MPa
Input data on fluid
Dynamic viscosity	µ = 3×10⁻⁴MPa·s
Fluid loss coefficient	C = 1.5×10⁻⁴ m/√s
Constant inflow rate	q₀ = 2 m/min
Input data on seeded flaws
Initial cohesion	C_0τ = 0.1 MPa
Average size of flaw	d_av = 1.0 m
Average distance	L_av = 5.11 m
Density of flaws	ξ = 0.20
Number of excluded flaws	6,493
Input data on fracture geometry
Fracture height	H = 50 m
Fracture total length	L = 100 m
Number of steps	10

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