An Experimental Study on the Slippage Effects of Sandstone under Confining Pressure and Low Pore Pressure Conditions

Table 4

Contribution rates of the gas slippage effects (100°C).

Pore pressure (MPa)	Confining pressure (MPa)
	5	10	15	20	25	30
0.2	0.277069	0.321477	0.427681	0.245527	0.673934	0.39688
0.3	0.234694	0.251305	0.348748	0.179777	0.589421	0.339965
0.4	0.141999	0.17909	0.243681	0.159861	0.323769	0.203491
0.5	0.099783	0.109525	0.139466	0.06983	0.254414	0.142215