Research Article
Mechanisms of Crack Initiation and Propagation in Dense Linear Multihole Directional Hydraulic Fracturing
Figure 9
Fracture water pressure under different influencing factors. (a) Angle θ between borehole direction and σ1. (b) Borehole spacing D. (c) Minimum principal stress σ3.
| (a) |
| (b) |
| (c) |