A method for drilling with a buoyant structure having a hull, a planar keel defining a lower hull diameter, a lower cylindrical portion connected to the planar keel, a lower frustoconical portion disposed above the lower cylindrical portion with inwardly-sloping wall at a first angle, an upper frustoconical portion directly connected to the lower frustoconical portion. The method uses a ballasted chambered buoyant storage ring which is either dockside and connected to the buoyant structure for drilling at a subsea location, or the ballasted chambered buoyant storage ring is preinstalled at a subsea location and then the buoyant structure is mounted to the ballasted chambered buoyant storage ring at sea.


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    Titel :

    Method for drilling with a buoyant structure for petroleum drilling, production, storage and offloading


    Beteiligte:

    Erscheinungsdatum :

    29.03.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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