The present invention relates to a marine pipelaying system (1) and method for lowering and/ or raising an offshore pipeline and including one or more accessories (30) thereto, the system (1) comprising a pipeline launch device (10), a pipeline clamp (6a, 6b), an accessory connecting device and a controlled load hoisting device (19). An accessory handling device (20) is provided comprising an accessory transport track (21) and a cart (23) adapted to engage and support one of the one or more accessories, such that the accessory handling device (20) is adapted to engage said accessory at the engagement position, position said accessory in the pipeline connecting position in the firing line (11) above the pipeline clamp 6a, 6b), wherein the accessory can be connected to the pipeline and support and allow displacement of the accessory between the engagement position and the pipeline connection position.

    La présente invention concerne un système de pose de canalisations sous-marines (1) et un procédé pour abaisser et/ou monter un pipeline en mer, et comprenant un ou plusieurs accessoires (30) associés, le système (1) comprenant un dispositif de lancement de pipeline (10), un collier de serrage de pipeline (6a, 6b), un dispositif d'accouplement d'accessoires et un dispositif de levage de charge commandé (19). Un dispositif de manipulation d'accessoires (20) est prévu, lequel comprend une voie de transport d'accessoires (21) et un chariot (23) conçu pour venir en prise avec un accessoire parmi les un ou plusieurs accessoires et le porter, de sorte que le dispositif de manutention d'accessoire (20) soit apte à venir en prise avec ledit accessoire au niveau de la position de prise, à positionner ledit accessoire dans la position d'accouplement au pipeline dans la ligne de tir (11) au-dessus du collier de serrage du pipeline (6a, 6b), l'accessoire pouvant être accouplé au pipeline, et à porter et permettre le déplacement de l'accessoire entre la position de prise et la position d'accouplement au pipeline.


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    Title :

    MARINE PIPELAYING SYSTEM AND METHOD FOR LOWERING AND/ OR RAISING AN OFFSHORE PIPELINE AND INCLUDING ONE OR MORE ACCESSORIES THERETO


    Additional title:

    SYSTÈME DE POSE DE CANALISATIONS SOUS-MARINES ET PROCÉDÉ POUR ABAISSER ET/OU MONTER UN PIPELINE EN MER ET COMPRENANT UN OU PLUSIEURS ACCESSOIRES ASSOCIÉS



    Publication date :

    2016-06-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16L PIPES , Rohre / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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