Disclosed is a drillship. The drillship according to an embodiment of the present invention comprises: a hull formed with a moon pool and a subsidiary moon pool; and an opening and closing apparatus for opening and closing a lower portion entrance of the subsidiary moon pool, wherein the opening and closing apparatus closes the lower portion entrance of the subsidiary moon pool during sailing, and opens the lower portion entrance of the subsidiary moon pool during a drilling operation.

    시추선이 개시된다. 본 발명의 실시예에 따른 시추선은 문풀 및 보조 문풀이 형성된 선체; 및 상기 보조 문풀의 하부 입구를 개폐시키는 개폐 장치를 포함하고, 상기 개폐 장치는, 운항 중 상기 보조 문풀의 하부 입구를 폐쇄하고, 시추 작업 중 상기 보조 문풀의 하부 입구를 개방한다.


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    Title :

    Drillship


    Additional title:

    시추선


    Contributors:
    YOO SEON OH (author)

    Publication date :

    2018-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F16H Getriebe , GEARING



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