A drillship is disclosed. According to an embodiment of the present invention, the drillship comprises: a hull in which a moon pool is formed; and a flow damping device dampening flow within the moon pool. The flow damping device comprises: a lifting plate vertically moved under a water surface within the moon pool; and a drive unit providing a lifting drive force to the lifting plate.

    시추선이 개시된다. 본 발명의 실시예에 따른 시추선은 문풀이 형성된 선체; 및 상기 문풀 내부의 유동을 감쇠시키는 유동감쇠장치를 포함하고, 상기 유동감쇠장치는, 상기 문풀 내부의 수면 아래에서 승강하는 승강플레이트; 및 상기 승강플레이트에 승강 구동력을 제공하는 구동부를 포함한다.


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    Title :

    DRILLSHIP


    Additional title:

    시추선


    Contributors:

    Publication date :

    2017-04-24


    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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