Numerical Simulations of Fracture Propagation in Jointed Shale Reservoirs under CO₂ Fracturing

Table 2

Numerical results of the intact sample, layered jointed sample, vertical jointed sample, and orthogonal jointed sample under CO₂ fracturing.

Sample	Damage area (10^-2 m^2)	Horizontal radius (m)	Vertical radius (m)
Intact	0.693	0.063	0.0649
Layered jointed	0.918	0.08	0.0555
Vertical jointed	0.895	0.051	0.08
Orthogonal jointed	0.936	0.073	0.08