Research Article
Gas Network Development in Compact Bentonite: Key Controls on the Stability of Flow Pathways
Table 3
Summary of gas transport properties showing inflow, outflow, injection, and back pressure during quasi-steady-state flow.
| | Test stage | Inflow (m3/s) at STP | Injection pressure (MPa) | Back pressure (MPa) | Outflow at STP radial array 1 (m3/s) | Outflow at STP radial array 2 (m3/s) | Outflow at STP radial array 3 (m3/s) |
| | [A] | 2.49 × 10−9 | 8.12 | 1.00 | 1.6 × 10−12 | ~0 | 2.54 × 10−9 | | [B] | 1.24 × 10−9 | 8.05 | 1.00 | ~0 | ~0 | 1.39 × 10−9 | | [C] | 5.76 × 10−10 | 7.96 | 1.00 | ~0 | ~0 | 5.58 × 10−10 | | [F] | 1.26 × 10−9 | 7.71 | 1.00 | ~0 | ~0 | 1.20 × 10−9 | | [H] | 3.20 × 10−9 | 7.86 | 1.00 | ~0 | ~0 | 3.17 × 10−9 | | [J] | 2.84 × 10−9 | 7.69 | 1.00 | 1.85 × 10−9 | 1.70 × 10−9 | ~0 |
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