Connecting device for deepwater FPSO rotating tower and rigid stand pipe
A technology of connecting device and flexible riser, applied in the direction of floating buildings, etc., can solve the problems of system risk, reduce FPSO load, expensive construction, etc., and achieve the effect of reducing technical requirements, improving fatigue life, and increasing bending stiffness
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[0013] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0014] Such as figure 1 As shown, the present invention includes a flexible standpipe 1, an I-shaped pipe 2, a support block 3, a centering device 4 and a bend stopper 5.
[0015] Wherein, both ends of the flexible riser 1 are provided with flanges, the upper end of the flexible riser 1 is fastened to the FPSO turret 6 through the flange, and the lower end is fastened to the steel riser 7 through the flange, so that the rigid riser The oil and gas in the pipe 7 are transported to the FPSO turret 6 through the flexible riser 1 . The I-shaped pipe 2 is sleeved on the upper part of the flexible riser 1, and flanges are also provided at both ends of the I-shaped pipe 2. The upper end of the I-shaped pipe 2 is rigidly connected to the FPSO turret 6 through the flange to ensure that the flexible riser 1 is vertically connected to the FPSO. Turret 6, easy ...
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