Table 2 Safety verification of the optimized supporting ring under engineering test condition.
From: Structure optimization design for supporting ring of casing head hanger in extra deep oil wells
Paths | Film stress Pm (MPa) (< 837) | Film stress + bending stress Pm + PB (MPa) | |
|---|---|---|---|
Value | \(0.67R_{eL} \left( {R_{P0.2} } \right) \le S_{\rm I} \le 0.9R_{eL} \left( {R_{P0.2} } \right)\) | ||
1 | 682.1 (Satisfied) | 866.4 (Satisfied) | 1162.35 (Satisfied) |
2 | 828.2 (Satisfied) | 979.6 (Satisfied) | 943.20 (Satisfied) |
3 | 836.3 (Basically Satisfied) | 975.2 (Satisfied) | 931.05 (Satisfied) |
