There is disclosed an offshore unit (10, 60, 62, 64, 58, 70) which includes hull (22) and/or deck frame (52), a mat (14) attached to at least one connecting leg (16) or a spud can (50) attached to each of at least one connecting leg or lower hull (18) attached to at least one connecting means (66), a wellhead deck (24) is removeably attached to the hull (12) and/or deck frame (52) and a sub-sea clamp in conjunction with a caisson (20) or a sub-sea conductor frame (32) removeably attached to the mat (14) or to the at least one connecting leg (16), where a spud can (50) is attached to each of the at least one connecting leg, or to the lower hull (18). The offshore unit is relocatable and is a platform or a rig capable of performing drilling, production, construction, accommodation, hookup and commissioning or a combination of any of these functions thereof. The offshore unit is a self elevating mobile platform (10, 60, 62, 64) or submersible platform (70) or semi-submersible platform (58). There is also disclosed a method of installing a wellhead platform (22) for exploring hydrocarbon below seabed which includes a wellhead deck (24) and a sub-sea conductor frame (32) using an offshore unit.


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    Titel :

    Method of installing wellhead platform using an offshore unit


    Weitere Titelangaben:

    Verfahren zur Installation einer Förderkopfplattform mithilfe einer Offshore-Einheit
    Procédé d'installation d'une plateforme de tête de puits utilisant une unité offshore


    Beteiligte:

    Erscheinungsdatum :

    14.10.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / E02B HYDRAULIC ENGINEERING , Wasserbau



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