Stress Sensitivity of Proppant-Containing Fractures and Its Influence on Gas Well Productivity

Table 2

Permeability test results of samples.

(MPa)	Permeability (×10^-3 μm^2)
	Smooth fracture				Rough fracture		Matrix
	1^#	2^#	3^#	4^#	5^#	6^#	7^#
2	241.42	1921.01	2418.00	3350.00	263.21	1413.00	0.187
5	180.62	1737.92	2290.00	3158.00	166.41	1181.25	0.165
9	148.06	1586.46	2032.00	3053.00	94.10	756.78	0.122
15	61.63	1222.27	1874.54	2942.00	41.63	473.13	0.083
20	35.41	999.94	1660.93	2805.00	12.00	283.69	0.062
25	23.04	876.56	1484.89	2681.00	6.20	201.61	0.051
30	19.91	790.13	1335.55	2618.00	3.74	96.26	0.042