长输管道防腐补口失效分析及技术进展  

Failure Analysis and Technical Progress of Anti-corrosion Joint Coating of Long Distance Pipeline

作　　者：孙典昊 王宏召 牛志勇 张凯灵 刘锋 SUN Dian-hao;WANG Hong-zhao;NIU Zhi-yong;ZHANG Kai-ling;LIU Feng(CNOOC Petrochemical Engineering Co.,Ltd.Qingdao 266101,China;CCCC Urban Energy Research and Design Institute CO.,Ltd.Shenyang 110026,China;No.4 Branch Company of China Petroleum Pipeline Engineering Co.,Ltd.Langfang 065000,China;Gas Transmission Division,PetroChina Southwest Oil&Gas field Company,Chengdu 610000,China;Dandong Sub-Company of North Pipeline Co.,Ltd.Pipe China Corporation,Dandong 118001,China)

机构地区：[1]中海油石化工程有限公司,山东青岛266101 [2]中交城市能源研究设计院有限公司,辽宁沈阳110026 [3]中国石油管道局工程有限公司第四分公司,河北廊坊065000 [4]中国石油西南油气田公司输气管理处,四川成都610000 [5]国家管网集团北方管道有限责任公司丹东输油气分公司,辽宁丹东118001

出　　处：《全面腐蚀控制》2022年第3期25-27,共3页Total Corrosion Control

摘　　要：防腐补口是新建管道腐蚀控制的关键程序和薄弱环节。我国管道防腐补口在产品性能和施工质量需要改进。阐述了不同时期管道防腐补口技术发展历程和工程应用情况。总结我国新建管道中热收缩带补口失效形式及原因。从施工质量控制、人员培训和标准规范,提出了保障管道补口质量的建议和措施,以及未来热收缩带补口技术创新的研究方向。Anti-corrosion joint is the key procedure and weak link of corrosion control of new pipeline. The product performance and construction quality of pipeline anti-corrosion joint in China need to be improved. The development process and engineering application of pipeline anti-corrosion joint technology in different periods are expounded. The failure forms and causes of joint coating of heat shrinkable sleeve in new pipelines in China are summarized. From the aspects of construction quality control, personnel training and standards and specifications, suggestions and measures to ensure the quality of pipeline joint are put forward, as well as the research direction of joint technology innovation of heat shrinkable sleeve in the future.

关 键 词：管道 热收缩带 补口 失效 施工 

分 类 号：TE89[石油与天然气工程—油气储运工程]