Research Article
Analysis of Gas Content and Permeability Change Pattern of a Coal Reservoir in the Tectonic Positions Based on a THM Coupled Model
Table 1
Gas-bearing characteristic of coal seams in different tectonic parts of the Guojiahe wellfield.
| | Tectonic parts | Typical drill hole number | Borehole CBM content (m3·t-1) | Average CBM content (m3·t-1) |
| | Deep buried part of gentle dip syncline limbs | G33-3 | 4.58 | 3.57 | | G15-3 | 3.60 | | G16-5 | 2.54 | | Axial part of the syncline | G33-5 | 4.8 | 3.16 | | G34-4 | 2.1 | | G16-3 | 2.08 | | X27 | 3.65 | | Secondary anticline with normal faults | G33-7 | 2.12 | 2.89 | | G16-4 | 3.65 | | Axial part of the secondary anticline | G33-6 | 1.77 | 1.71 | | G34-1 | 1.64 | | Shallow buried part of gentle dip syncline limbs | G15-2 | 0.52 | 0.97 | | X21 | 1.42 |
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