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Table 2

Basic parameters of parallel strings.

Parameter Value
Length of slip joint 38.65 m
The weight of slip joint 407.78 kN
Length of riser joint 16.764 m
The outer diameter of the riser 0.5334 m
Wall of riser 0.0222 m
Rotational stiffness of upper flexible joint 12.9 kN m/°
Rotational stiffness of lower flexible joint 92 kN m/°
The outer diameter of the drill pipe 0.149 m
Wall of drill pipe 0.0105 m
The height of high-pressure wellhead 1.75 m
The weight of high-pressure wellhead 28.73 kN
The height of slight-pressure wellhead 0.99 m
The weight of slight-pressure wellhead 13.17 kN
Length of LMRP and BOP 17.82 m
The weight of LMRP and BOP 1470 kN
Length of conductor 83 m
The outer diameter of the conductor 0.9144 m
Wall of conductor 0.0381 m
Elastic Modulus of steel 207 GPa
Poisson ratio 0.3

LMRP: Lower Marine Riser Package; BOP: Blowout Preventer.

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