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

Table 6

Contribution rates of the gas slippage effects (500°C).

Pore pressure (MPa)	Confining pressure (MPa)
	5	10	15	20	25	30
0.2	0.574869	0.569753	0.510744	0.442865	0.484533	0.518131
0.3	0.435611	0.410177	0.361753	0.365337	0.524797	0.285722
0.4	0.290015	0.311748	0.278328	0.243383	0.411327	0.278633
0.5	0.219101	0.204108	0.184779	0.149865	0.300355	0.20409