The invention discloses a self-enclosed packer which is applied to sealing of a ring-shaped gap between a pile and a sleeve in a marine drilling platform, and arranged between the sleeve and the pile, The self-enclosed packer is characterized by comprises a rubber sleeve; the rubber sleeve is coaxial with the sleeve and arranged at the inner bottom of the sleeve; the bottom of the rubber sleeve is in sealed connection with the sleeve through a bottom fixing device; a cement mortar accommodating cavity is formed in a gap between the rubber sleeve and the sleeve; the top of the rubber case is connected with the sleeve through a top fixing device; mortar grouting openings are formed in the top of the rubber case. Only the rubber case and the corresponding fixing devices are subjected to automatic sealing, so that the self-enclosed packer is simple in structure, easy to manufacture and low in cost; besides, the self-enclosed packer has the advantages of being high in safe factor like an active packer, simple to mount like a passive packer, free of pipelines and power systems, and the like.


    Access

    Download


    Export, share and cite



    Title :

    Self-enclosed packer


    Contributors:
    TIAN JIANDE (author) / LIU BAOQUAN (author) / DU ZONGZHOU (author) / MA MEIQIN (author) / ZHOU JIANFENG (author) / ZHANG JUN (author) / QIU CHANGSHENG (author) / FU HUAMIAO (author) / LU RUIZHAO (author)

    Publication date :

    2015-08-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



    PACKER ELEMENT

    WEST ALAN / GILES JOHN | European Patent Office | 2021

    Free access

    Packer assembly

    BLADES PAUL | European Patent Office | 2016

    Free access

    Packer element

    WEST ALAN / GILES JOHN | European Patent Office | 2025

    Free access

    Fin Packer

    WRIGHT GAVIN | European Patent Office | 2024

    Free access

    SELF-ENCLOSED AIR VEHICLE

    GOLDSTEIN RYAN MICHAEL | European Patent Office | 2022

    Free access