Table 1 Safety verification of the optimized supporting ring under working condition.
From: Structure optimization design for supporting ring of casing head hanger in extra deep oil wells
Paths | Film stress Pm (MPa) (< 415) | Film stress + bending stress Pm + PB (MPa) (< 623) | Total stress Pm + PB + Q (MPa) (< 1080) |
|---|---|---|---|
1 | 323.0 (Satisfied) | 450.1 (Satisfied) | 990.3 (Satisfied) |
2 | 253.4 (Satisfied) | 448.9 (Satisfied) | 990.3 (Satisfied) |
3 | 410.4 (Basically Satisfied) | 520.9 (Satisfied) | 806.3 (Satisfied) |
