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%