해양플랜트구조물의 해체작업에 대한 구조적 안전성평가에 관한 연구

Abstract

There are currently about 550 jacket structures for offshore oil/gas drilling which are installed in the North Sea, and almost 35% of them are over 30 years old, and now they should be decommissioned. The North Sea decommissioning market has made a stable growth over the past decade, and it is expected that the market will be continuously booming at least for the next 20 years. In the “North Sea Decommissioning Strategy Report 2015 [1]”, DecomWorld estimated the value of decommissioning costs in 2014 as