Research Article

A Crack Propagation Control Study of Directional Hydraulic Fracturing Based on Hydraulic Slotting and a Nonuniform Pore Pressure Field

Table 2

Loading cases considered in the numerical analysis.

Load casesMaximum horizontal stress
(MPa)
Minimum horizontal stress
(MPa)
Horizontal stress difference coefficient
Slotting deviation angle
(°)

1#4.530.515°
2#5.2530.7515°
3#63115°
4#6.7531.2515°
5#4.530.530°
6#5.2530.7530°
7#63130°
8#6.7531.2530°
9#4.530.545°
10#5.2530.7545°
11#63145°
12#6.7531.2545°
13#4.530.560°
14#5.2530.7560°
15#63160°
16#6.7531.2560°
17#4.530.575°
18#5.2530.7575°
19#63175°
20#6.7531.2575°
21#4.530.590°
22#5.2530.7590°
23#63190°
24#6.7531.2590°