A passive deep-sea heave compensation device for ocean platform drilling is disclosed. A vertical guiding groove is formed inside a drilling derrick; a vertical spring is fixedly arranged on the top of the guiding groove; a pressure plate located in the guiding groove is fixedly arranged on the bottom of the spring; a floating crown block is located below the pressure plate; a central sheave whose cylindrical surface is provided with a plurality of trunkings is rotatably mounted in the floating crown block. The heave compensation device further comprises a hook, a riser, a large hook lifting rope, a steel wire rope and a displacement compensation mechanism I and a right displacement compensation mechanism II which are arranged on the left side and the right side of a stand respectively. The displacement compensation mechanism I and the right displacement compensation displacement mechanism II are arranged in a left-right symmetrical manner.


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    Titel :

    PASSIVE DEEP-OCEAN HEAVE COMPENSATION DEVICE FOR OCEAN PLATFORM DRILLING


    Weitere Titelangaben:

    DISPOSITIF DE COMPENSATION DE TANGAGE PASSIF EN OCEAN PROFOND DESTINE A UNE PLATEFORME DE FORAGE EN OCEAN


    Beteiligte:
    LIU QINGYOU (Autor:in) / ZENG SONG (Autor:in) / MAO LIANGJIE (Autor:in)

    Erscheinungsdatum :

    20.07.2021


    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



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