Numerical Investigation on the Hydraulic Fracture Evolution of Jointed Shale

Figure 8

Simulation results of the rock model under varying confining pressure differences. (a)  = 10 MPa and  = 5 MPa; (b)  = 10 MPa and  = 8 MPa; (c)  = 10 MPa and  = 10 MPa; (d)  = 10 MPa and  = 5 MPa; (e)  = 10 MPa and  = 8 MPa; (f)  = 10 MPa and  = 10 MPa.

(a)

(b)

(c)

(d)

(e)

(f)