A lifting elevator includes a first elevator segment having a first plurality of slips, a second elevator segment having a second plurality of slips, and a hinge. The first elevator segment and the second elevator segment each have a swept angle of about 180°, and each of the first plurality of slips and the second plurality of slips includes a die configured to grip an external surface of a pipe.


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    Titel :

    Large diameter tubular lifting apparatuses and methods


    Beteiligte:

    Erscheinungsdatum :

    2018-06-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B66C Krane , CRANES



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