A method for drawing a jack up rig from a sea floor is disclosed. The method for drawing a jack up rig from a sea floor, according to an embodiment of the present invention, comprises: a step of dropping an isolation part for supporting into the sea and arranging the isolation part for supporting on a sea floor; a step of arranging a spud can of a jack up rig arranged to support a ship or an offshore structure from the sea floor on the isolation part; and a step of inserting the spud can and the isolation part into the sea floor by allowing a jack up leg for connecting the jack up rig and the spud can to each other to descend in a state that the spud can is supported to the isolation part. Therefore, the present invention smoothly performs the drawing work of the jack up rig from the sea floor by reducing pressure between the bottom of the spud can and soil on the sea floor.
잭업리그 인발시공방법이 개시된다. 본 발명의 일 실시 예에 따른 잭업리그는, 해저의 지반 상에 지지를 위한 아이솔레이션을 투하하여 배치하는 단계; 아이솔레이션 상에 선박 또는 해양구조물을 해저로부터 지지하도록 배치되는 잭업리그의 스퍼드 캔을 배치하는 단계; 및 스퍼드 캔이 아이솔레이션 상에 지지된 상태에서 잭업리그와 스퍼드 캔을 연결하는 잭업레그를 하강시켜 스퍼드 캔과 아이솔레이션을 해저 지반으로 인입시키는 단계를 포함한다.
PULLING METHOD OF JACK UP RIG FROM SEAFLOOR
잭업리그 인발시공방법 및 구조
2016-03-11
Patent
Electronic Resource
Korean
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |
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