A vessel (1) adapted to perform subsea wellbore related operations involving a riser string. The vessel comprises a hull (2), a riser storage (40) adapted to store therein multiple risers sections (60, 61) and/or pre-assembled riser stands (62), a moonpool (5), and a tower (10) arranged at said moonpool. A riser handling capacity hoisting device (26, 28, 29, 29a; 26, 160) is provided having a riser hanger device (26) and adapted to raise and lower relative to said tower a riser string that is suspended from said riser hanger device in a firing line (20).


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    Title :

    SUBSEA WELLBORE OPERATIONS VESSEL


    Additional title:

    SCHIFF FÜR UNTERWASSERBOHRLOCHOPERATIONEN
    NAVIRE D'OPÉRATIONS DE PUITS DE FORAGE SOUS-MARIN


    Contributors:

    Publication date :

    2018-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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