Experimental Investigation on Sandstone Permeability under Plastic Flow: Permeability Evolution Law with Stress Increment

Table 9

Multistep permeability estimation.

State	Permeability (m^-2)
	Experimental values	Multistep estimated values	Relative error (%)
			0.00%
			16.63%
			16.40%
			16.73%
			16.51%
			16.69%
			15.68%