Numerical Investigation on the Hydraulic Fracture Evolution of Jointed Shale

Table 2

Physicomechanical parameters of the shale and joint employed in the simulation.

Parameters	Unit	Shale	Joint
Heterogeneity index (m)		2	2
Young’s modulus (E)	GPa	20	3
Poisson’s ratio (ν)		0.37	0.37
Friction angle (φ)	^°	35	35
Compressive strength (fc)	MPa	118	12
Permeability coefficient (K)	md^−1	0.000864	0.00864