Numerical simulation of hydraulic fracture propagation in laminated shale reservoirs
ZHOU Tong,WANG Haibo,LI Fengxia,LI Yuanzhao,ZOU Yushi,ZHANG Chi
Table 4
Mechanical parameters of the weak bedding plane.
Serial
number
Grade of bedding strength
T
BP
/MPa
S
BP
/MPa
φ
BP
/(°)
1
High
≥8
≥25
≥35
2
Medium-high
(5, 8)
(15, 25)
(25, 35)
3
Medium
[3, 5]
[10, 15]
[20, 25]
4
Low
<3
<10
<20