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.


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    Titel :

    Self-enclosed packer


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

    Erscheinungsdatum :

    26.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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