Research Article

Experimental Study on Sealing Failure Mechanism of Injection-Production String in Underground Gas Storage under Cyclic Loading

Table 5

The test tubing number.

TypeThe dimensionsSteel grade and thread typeThe sample number (H)

TubingΦ114.3 × 7.37 mmP110 13CR B1
TubingΦ114.3 × 7.37 mmP110 13CR B2