Research Article
Experimental and Computational Study on Conductors Bearing Capacity in Offshore Drilling
Table 2
Ultimate bearing capacity of conductors under different cement sheath return heights.
| No. | Cement sheath return height/m | Ultimate bearing capacity/kN | Error rate (%) | Reduction rate | Calculated value | Measured value |
| 1 | 0 | 93.8 | 98 | 4.47 | -- | 2 | −0.5 | 90.0 | 94 | 4.44 | 4.08% | 3 | −1.0 | 86.2 | 90 | 4.41 | 8.16% | 4 | −1.5 | 82.4 | 84 | 1.94 | 14.28% | 5 | −2.0 | 78.7 | 80 | 1.65 | 18.37% | 6 | −2.5 | 74.2 | 76 | 2.43 | 22.45% | 7 | −3.0 | 69.5 | 72 | 3.59 | 26.53% | 8 | −3.5 | 64.9 | 68 | 4.78 | 30.61% |
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