Research Article

Study on Deformation and Permeation Properties of Gas-Containing Fractured Rock

Table 1

The axial strain, radial strain, and permeability of each sample under different stresses.

(MPa) (MPa)Sample #j1Sample #j2Sample #j3
(%) (%) (mD) (%) (%) (mD) (%) (%) (mD)

2221.20612.5829.387
420.054-0.00119.820.089-0.00111.4990.141-0.0036.303
48.60.0580.1858.1770.0470.2021.8940.0630.2793.889
420.0560.1188.7320.0790.1564.8700.1200.2084.023
620.1190.1148.0390.1430.1485.0060.2070.1883.487
68.60.1280.1976.0980.1630.2201.3530.1950.2932.816
620.1280.1246.7910.1580.1624.0590.2230.2062.950
820.2080.1176.3760.2400.1514.1940.3150.1752.682
88.60.2240.1994.8510.2620.2231.3530.3140.2862.280
820.2270.1245.6830.2510.1603.5170.3260.1902.414
1020.3230.1135.6830.3400.1473.6530.4330.1452.280
108.60.3350.1974.0190.2210.2211.2180.4370.2641.878
1020.3370.1185.2670.3500.1533.1120.4430.1602.146
1220.4220.1025.6830.4270.1403.1120.5490.0942.012
128.60.4350.1893.7420.4480.2161.2180.5550.2181.609
1220.4330.1055.1280.4370.1452.7060.5590.1071.878
1420.5220.0825.6830.5160.1302.7060.6840.0191.743
148.60.5370.1733.6040.5380.2071.2180.6920.1501.475
1420.5380.0865.1280.5230.1342.4350.6960.0341.609
1620.6250.0565.8210.5980.1192.1650.842-0.0831.609
168.60.6410.1493.3260.6220.1981.2180.8540.0471.341
1620.6410.0595.4050.6060.1222.0290.860-0.0691.475
1820.7340.0135.8210.6770.1081.7591.041-0.2391.475
188.60.7440.1103.1880.7010.1881.0821.053-0.1041.207
1820.7460.0175.2670.6880.1111.4881.058-0.2231.341
2020.868-0.0695.6830.7610.0941.3531.324-0.5161.475
208.60.8980.0233.0490.7900.1760.9471.343-0.3701.207
2020.900-0.0785.2670.7740.0971.2181.349-0.5061.341
22/22.1521.711-0.9065.6830.8400.0781.0822.400-2.3701.475
2420.9060.0500.812
2620.996-0.0090.676
2821.119-0.1220.676
3021.261-0.2700.676
31.9421.563-0.6930.676