Provided is an apparatus to separate a riser positioned in a connection portion of a riser wherein a drill pipe is inserted, and connected to a lower side of a drill ship. The apparatus to separate the riser comprises: a moving member receiving vertical lift force by a riser tensioner wherein the drill pipe penetrates; and a cutter contacting a moving member to rotate in accordance with a movement of the moving member.


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    Title :

    SEPERATING APPARATUS FOR RISER OF DRILLSHIP AND METHOD THEREOF


    Contributors:
    KIM GUN HO (author) / SUNG SANG KYUNG (author) / KIM PIL GEUN (author) / SHIN DONG JO (author) / PARK KWANG PHIL (author) / LEE JAE BEOM (author) / JO A RA (author) / CHU GIL WHOAN (author) / LEE HYUN HO (author) / LEE JUN SU (author)

    Publication date :

    2015-09-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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




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