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 #j1 | Sample #j2 | Sample #j3 | (%) | (%) | (mD) | (%) | (%) | (mD) | (%) | (%) | (mD) |
| 2 | 2 | — | — | 21.206 | — | — | 12.582 | — | — | 9.387 | 4 | 2 | 0.054 | -0.001 | 19.82 | 0.089 | -0.001 | 11.499 | 0.141 | -0.003 | 6.303 | 4 | 8.6 | 0.058 | 0.185 | 8.177 | 0.047 | 0.202 | 1.894 | 0.063 | 0.279 | 3.889 | 4 | 2 | 0.056 | 0.118 | 8.732 | 0.079 | 0.156 | 4.870 | 0.120 | 0.208 | 4.023 | 6 | 2 | 0.119 | 0.114 | 8.039 | 0.143 | 0.148 | 5.006 | 0.207 | 0.188 | 3.487 | 6 | 8.6 | 0.128 | 0.197 | 6.098 | 0.163 | 0.220 | 1.353 | 0.195 | 0.293 | 2.816 | 6 | 2 | 0.128 | 0.124 | 6.791 | 0.158 | 0.162 | 4.059 | 0.223 | 0.206 | 2.950 | 8 | 2 | 0.208 | 0.117 | 6.376 | 0.240 | 0.151 | 4.194 | 0.315 | 0.175 | 2.682 | 8 | 8.6 | 0.224 | 0.199 | 4.851 | 0.262 | 0.223 | 1.353 | 0.314 | 0.286 | 2.280 | 8 | 2 | 0.227 | 0.124 | 5.683 | 0.251 | 0.160 | 3.517 | 0.326 | 0.190 | 2.414 | 10 | 2 | 0.323 | 0.113 | 5.683 | 0.340 | 0.147 | 3.653 | 0.433 | 0.145 | 2.280 | 10 | 8.6 | 0.335 | 0.197 | 4.019 | 0.221 | 0.221 | 1.218 | 0.437 | 0.264 | 1.878 | 10 | 2 | 0.337 | 0.118 | 5.267 | 0.350 | 0.153 | 3.112 | 0.443 | 0.160 | 2.146 | 12 | 2 | 0.422 | 0.102 | 5.683 | 0.427 | 0.140 | 3.112 | 0.549 | 0.094 | 2.012 | 12 | 8.6 | 0.435 | 0.189 | 3.742 | 0.448 | 0.216 | 1.218 | 0.555 | 0.218 | 1.609 | 12 | 2 | 0.433 | 0.105 | 5.128 | 0.437 | 0.145 | 2.706 | 0.559 | 0.107 | 1.878 | 14 | 2 | 0.522 | 0.082 | 5.683 | 0.516 | 0.130 | 2.706 | 0.684 | 0.019 | 1.743 | 14 | 8.6 | 0.537 | 0.173 | 3.604 | 0.538 | 0.207 | 1.218 | 0.692 | 0.150 | 1.475 | 14 | 2 | 0.538 | 0.086 | 5.128 | 0.523 | 0.134 | 2.435 | 0.696 | 0.034 | 1.609 | 16 | 2 | 0.625 | 0.056 | 5.821 | 0.598 | 0.119 | 2.165 | 0.842 | -0.083 | 1.609 | 16 | 8.6 | 0.641 | 0.149 | 3.326 | 0.622 | 0.198 | 1.218 | 0.854 | 0.047 | 1.341 | 16 | 2 | 0.641 | 0.059 | 5.405 | 0.606 | 0.122 | 2.029 | 0.860 | -0.069 | 1.475 | 18 | 2 | 0.734 | 0.013 | 5.821 | 0.677 | 0.108 | 1.759 | 1.041 | -0.239 | 1.475 | 18 | 8.6 | 0.744 | 0.110 | 3.188 | 0.701 | 0.188 | 1.082 | 1.053 | -0.104 | 1.207 | 18 | 2 | 0.746 | 0.017 | 5.267 | 0.688 | 0.111 | 1.488 | 1.058 | -0.223 | 1.341 | 20 | 2 | 0.868 | -0.069 | 5.683 | 0.761 | 0.094 | 1.353 | 1.324 | -0.516 | 1.475 | 20 | 8.6 | 0.898 | 0.023 | 3.049 | 0.790 | 0.176 | 0.947 | 1.343 | -0.370 | 1.207 | 20 | 2 | 0.900 | -0.078 | 5.267 | 0.774 | 0.097 | 1.218 | 1.349 | -0.506 | 1.341 | 22/22.15 | 2 | 1.711 | -0.906 | 5.683 | 0.840 | 0.078 | 1.082 | 2.400 | -2.370 | 1.475 | 24 | 2 | | | | 0.906 | 0.050 | 0.812 | | | | 26 | 2 | | | | 0.996 | -0.009 | 0.676 | | | | 28 | 2 | | | | 1.119 | -0.122 | 0.676 | | | | 30 | 2 | | | | 1.261 | -0.270 | 0.676 | | | | 31.94 | 2 | | | | 1.563 | -0.693 | 0.676 | | | |
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