Crane assisted pipe lay

Details Crane assisted pipe lay Crane assisted pipe lay

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 1/20 (2006.01)

Patent

CA 2637756

The present invention relates to a method for laying a pipeline using a vessel (1) comprising a crane (2) comprising the following steps lifting a new pipe section (8) using the crane, placing a new pipe section on an existing pipeline (9), lining up the new pipe section with respect to the existing pipeline, welding the new section to the existing section, lowering the joined new section and the existing pipe, supporting the joined new section so that the crane is free to lift another new section. The invention further relates to a pipe-laying vessel for carrying out such method.

La présente invention concerne un procédé de pose d'un pipeline à l'aide d'un navire (1) équipé d'une grue (2), ledit procédé comportant les étapes suivantes : soulever un nouveau tronçon (8) de conduite à l'aide de la grue, placer le nouveau tronçon de conduite sur un pipeline (9) existant, aligner le nouveau tronçon de conduite par rapport au pipeline existant, souder le nouveau tronçon au tronçon existant, abaisser le nouveau tronçon raccordé et le pipeline existant, soutenir le nouveau tronçon raccordé de telle sorte que la grue soit libre de soulever un autre nouveau tronçon. L'invention concerne en outre un navire de pose de conduites destiné à réaliser ledit procédé.

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