F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 1/225 (2006.01) F16L 1/19 (2006.01)
Patent
CA 2724519
The present invention relates to a pipeline guide assembly for a pipeline laying vessel, the pipeline guide assembly comprising: - a plurality of segments (20) pivotably interconnected via hinges (38) in an end-to-end relationship, each segment comprising at least one pipeline support (34) constructed to support a pipeline, wherein the pipeline supports provide a firing line (24) along which a pipeline can be launched, - a curvature mechanism (32) comprising at least one actuator (68, 68a, 68b, 68c, 68d), the curvature mechanism constructed for pivoting each segment relative to the next segment such that in use the segments provide a curved firing line, wherein the pipeline supports limit the curvature of the pipeline as it is launched along said curved firing line. The present invention also relates to a vessel comprising the stinger. The present invention also relates to a method of laying a pipeline utilizing the stinger of the invention.
L'invention porte sur un ensemble de guidage de pipeline pour navire de pose de pipelines sous-marins. Ledit ensemble comprend: plusieurs segments (20) reliés pivotants par des charnières (38) dans une relation continue, chaque segment comprenant au moins un support de pipeline (34) et l'ensemble des supports constituant une ligne de lancement (24) le long lequel un pipeline peut être lancé, et un mécanisme de courbure (32) comprenant au moins un actionneur (68, 68a, 68b, 68c, 68d), et conçu pour faire pivoter chaque segment par rapport au suivant de manière à former une ligne courbe de lancement, les supports du pipeline limitant la courbure du pipeline lors de son lancement. L'invention porte également sur un navire comprenant le stinger, et sur une méthode de pose d'un pipeline utilisant le stinger de l'invention.
Hillenaar Maikel
Van Grieken Gerardus Cornelius
Gowling Lafleur Henderson Llp
Heerema Marine Contractors Nederland B.v.
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