Group and method for laying and burying pipelines at the...

E - Fixed Constructions – 02 – F

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E02F 5/10 (2006.01) E02F 5/00 (2006.01) F16L 1/16 (2006.01)

Patent

CA 2760054

The present invention relates to a group and a method for laying and burying pipelines at the seafloor, wherein the laying and burying group according to the present invention comprises a digging device (11) provided with at least means for cutting the seafloor (20) and with means for hooking onto a pipeline (15) and for sliding over the same, and is characterized in that it comprises at least one float device (14) constrainable to the pipeline (15) for supporting it (15) in span, connected to the back of said digging device (11) with respect to the direction of the movement thereof (11).

La présente invention porte sur un groupe et sur un procédé pour poser et enfouir des oléoducs sur le fond marin, le groupe de pose et d'enfouissement selon la présente invention comprenant un dispositif de creusement (11), comportant au moins des moyens pour trancher le fond marin (20) et des moyens pour l'accrochage sur un oléoduc (15) et pour le coulissement sur celui-ci, et le procédé étant caractérisé en ce qu'il comprend au moins un dispositif de flotteur (14), apte à être relié à l'oléoduc (15) pour supporter celui-ci (15) dans son étendue, relié à l'arrière dudit dispositif de creusement (11) par rapport à la direction du déplacement de celui-ci (11).

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