A drilling method of a drill ship is disclosed. According to the present invention, in the drilling method of a drill ship, a first derrick connected to a drill pipe for forming a drilling hole in a sub-bottom and a second derrick connected to a casing which is inserted into the drilling hole are provided. The drilling hole is drilled in the first derrick, and the casing to be inserted into the drilling hole can be assembled in the second derrick.

    시추선의 드릴링 방법이 개시된다. 본 발명의 시추선의 드릴링(drilling) 방법에서는, 해저지층에 시추공을 형성하기 위한 드릴 파이프가 연결되는 제1 데릭(derrick)과, 상기 시추공에 삽입될 케이싱(casing)이 연결되는 제2 데릭을 마련하여, 상기 제1 데릭에서 상기 시추공의 드릴링이 이루어지는 동시에, 상기 시추공에 삽입될 케이싱을 제2 데릭에서 조립할 수 있는 것을 특징으로 한다.


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    Title :

    DRILLING METHOD OF DRILL SHIP


    Additional title:

    시추선의 드릴링 방법


    Contributors:
    BAE JAE RYU (author) / CHOO GYO SIG (author) / KIM IN SOO (author) / LEE SOO HO (author) / KIM JIN KANG (author) / JANG UNG KWON (author) / LEE KYOO SEOG (author) / KIM GUN HO (author) / KWON JUNG HAN (author) / KIM SUNG SOO (author)

    Publication date :

    2016-03-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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