Table 4.
The No. 3 fracture propagation parameters.
Step | Water injection pressure (MPa) | Confining pressure (MPa) | Fracture length (mm) | Fracture width (mm) | Dip angle of fracture tip (rad) | Azimuth of fracture tip (rad) |
---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 |
1 | 1 | 1 | 0 | 0 | 0 | 0 |
2 | 2 | 2 | 3.4 | 0.04 | 0.86 | 0 |
3 | 3 | 3 | 6.4 | 0.06 | 1.15 | 0 |
4 | 4 | 4 | 6.8 | 0.07 | 1.18 | 0 |
5 | 5 | 5 | 12.6 | 0.12 | 1.52 | 0 |
6 | 6 | 6 | 12.8 | 0.15 | 1.56 | 0 |