Marine J-lay pipelaying installation comprising a tower (1) having a firing line, a pipe section loader system (100) adapted to advance a pipe section (9) into a position in the firing line, and an upper workstation (60) mounted on the tower halfway between the uppermost level and the lowermost level. The pipe section loader system is provided with a pivotal loader boom (105), that is pivotal about a horizontal pivot axis between a horizontal loading position and a raised transfer position. The pivotal loader boom is provided with a lower and an upper set of pipe section grippers (110, 115), each adapted to grip a respective pipe section (8,9), and therefore allowing for at least two operational modes of the J-lay installation, i.e. a full vertical stroke mode and a half vertical stroke mode.


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    Titel :

    A MARINE J-LAY PIPELAYING INSTALLATION AND METHOD


    Weitere Titelangaben:

    ANLAGE UND VERFAHREN FÜR MARINE J-FÖRMIGE ROHRVERLEGUNG
    INSTALLATION ET PROCÉDÉ DE POSE DE CANALISATION MARINE SELON UNE POSE EN J



    Erscheinungsdatum :

    2023-06-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16L PIPES , Rohre / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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