海底管道常见缺陷维护技术研究  

Research on Maintenance Techniques for Common Defects in Submarine Pipeline

作　　者：陈紫苑 付现桥 卜明哲 李晔 李子茂 CHEN Zi-yuan;FU Xian-qiao;BU Ming-zhe;LI Ye;LI Zi-mao(China Petroleum Engineering&Construction Corp.North China Company,Renqiu 062550,China;School of Materials Science and Engineering,China University of Petroleum,Qingdao 266580,China)

机构地区：[1]中国石油工程建设有限公司华北分公司,河北任丘062550 [2]中国石油大学(华东)材料科学与工程学院,山东青岛266580

出　　处：《管道技术与设备》2021年第6期52-55,60,共5页Pipeline Technique and Equipment

摘　　要：文中介绍了由于服役环境导致的海底管线裂纹、腐蚀、凹陷缺陷,以及多种维修方法(复合材料的修复技术、机械连接维护、外卡具维修、法兰对接维护、水下环氧树脂套筒修复、水下干式高压焊接维修等)。根据管道缺陷类型快速选择合理的维护方案,并选择最有效的维护装备。A few common defects such as subsea pipeline cracks,corrosion,sag and various maintenance methods,such as composite repair technology,mechanical connection maintenance,link external fixture repair,flange butt sleeve repair maintenance,underwater epoxy resin,and dry underwater hyperbaric welding were introduced caused by service environment.According to the type of pipeline defects,a reasonable maintenance plan was quickly selected and the most effective maintenance equipment was selected.

关 键 词：海底管道 常见缺陷 海管维修 修复 裂纹 腐蚀 凹陷 

分 类 号：TE8[石油与天然气工程—油气储运工程]