Table 4: Permeability and strength considering confining pressure 6 MPa and different water pressure.

Permeable pressure (MPa)Initial permeability
(10−18 m2)
Minimum permeability
(10−18 m2)
Maximum permeability
(10−18 m2)
Peak strength (MPa)
Without mudWith mudWithout mudWith mudWithout mudWith mudWithout mudWith mud

259.8234.9347.3220.69220.52105.2971.7634.76
373.6644.8358.0233.40236.94152.4968.1034.73
479.9855.1867.4850.85261.38161.8462.9038.04