Research Article
Experimental Study on Sealing Failure Mechanism of Injection-Production String in Underground Gas Storage under Cyclic Loading
Table 6
P110 13Cr B type tubing loading point of gas seal test under high tensile condition.
| Loading steps | Loading point | Internal pressure (MPa) | Axial mechanical load (kN) | Total axial load (kN) | Test temperature (°C) | Holding time (min) |
| 1 | 1 | 0 | 1846 | 1846 | Ambient temperature | 1 | 2 | 2 | 75.84 | 1245 | 1846 | Ambient temperature | 10 |
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