金刚石线切割锯在海管维修中的应用

Application of Diamond Wire Saw on Subsea Pipeline Repair

海底管道一旦发生损坏,后果将非常严重,需尽快修复。对于受损面积较大或者通过管卡无法完全修复的海管,维修过程需对受损段海管进行切割更换。选择合适的管线切割工具直接影响海管维修速度的快慢。金刚石线切割锯是一种应用广泛的水下管线切割工具。文中以恩平23-1海管抢修项目为例,详细介绍金刚石线切割锯的系统组成、工作原理、施工步骤及注意事项,以期对国内其他项目提供帮助和指导。

In the event of submarine pipeline damage,the consequences are very serious and need to be repaired as soon as possible.If the damaged area of the pipe is large or cannot be completely repaired by the pipe clamp,the repair process needs to cut and replace the damaged section of the pipe.Pipeline cutting tools directly affect the speed of maintenance of the sea.Diamond wire saw is a widely used underwater pipeline cutting tools.Take Enping23-1marine repair project as an example,this paper introduces the system composition,working principle,construction steps and precautions of diamond wire saw,in order to provide help and guidance to other domestic projects.