Table 3:
Permeability property and strength considering water pressure 2 MPa and different confining pressure.
Confining pressure (MPa)
Initial permeability
(10
−18
m
2
)
Minimum permeability
(10
−18
m
2
)
Maximum permeability
(10
−18
m
2
)
Peak strength
(MPa)
Without mud
With mud
Without mud
With mud
Without mud
With mud
Without mud
With mud
3
84.94
47.20
76.76
30.24
414.62
176.20
52.43
21.60
6
59.82
34.93
47.32
20.69
220.52
105.29
71.16
34.76
9
44.12
22.94
32.68
12.33
176.96
40.63
86.20
45.24
15
35.46
14.16
29.20
10.27
74.90
12.24
103.32
62.44