摘要
海底管道除直径大小不同外 ,还有单层管和双层管之分 ,因此海底管道的维修技术、方法和施工机具等也各不相同。结合涠洲油田海底管道修复工程的实例 ,介绍海底双重保温管道的水下维修技术。
It is known that the sub-sea pipes are different in diameter and also varies from single pipe to concentric pipe. As a result, the maintenance and rep air techniques, methods and tools are different to various kinds of pipes. In th e paper, the underwater repair technique for double insulation pipe is introduce d based on the underwater repair project of sub-sea pipeline in Weizhou oil fie ld.
关键词
原油输送管道
海底双重保温管道
水下修复工程
油田
实例
sub-sea pipeline, double insulation pipe, inspection, maintenance and repair, cold cutting, electrical oxygen cutting, flange, mechanical connector
