The present invention relates to a method for installing an offshore topside (20) by using an installation vessel comprising the following steps: (a) aligning the installation vessel (30) on which the topside (20) is mounted on an upper side of a jacket (10); (b) placing the topside (20) on the jacket (10) after a leg (35) of the installation vessel (30) is placed down on a sea bottom (SB); and (c) aligning and fixating the topside (20) to the jacket (10) and moving the installation vessel (30). Accordingly, economic efficiency is increased by excluding an additional installation vessel, a mooring system, a weight absorption member and so on. Moreover, a work process for mounting the topside can be precisely controlled as a relative motion generated by weight of the environment does not need to be considered.

    본 발명은 설치선(30)을 이용하여 해양 탑사이드(20)를 설치하는 방법에 있어서: (a) 탑사이드(20)가 탑재된 설치선(30)을 자켓(10)의 상측에 정렬하는 단계; (b) 상기 설치선(30)의 레그(35)를 해저지반(SB)으로 내린 상태에서 설치선(30)을 하강시켜 탑사이드(20)를 자켓(10)에 상치하는 단계; 및 (c) 상기 자켓(10)에 탑사이드(20)를 정렬하여 고정하고 설치선(30)을 이동시키는 단계;를 포함하여 이루어지는 것을 특징으로 한다. 이에 따라, 별도의 추가 설치선, 계류계, 하중흡수부재 등을 배제하여 경제성을 높이고, 환경 하중에 의한 상대 모션을 고려할 필요가 없으므로 탑사이드를 안착하는 작업을 정밀하게 조절할 수 있다.


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    Title :

    Method for installing offshore topside using liftable vessel


    Additional title:

    승강식 설치선을 이용한 해양 탑사이드 설치방법


    Contributors:

    Publication date :

    2017-03-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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