长输天然气管道无损检测裂纹焊口案例浅析  

Case Analysis of Non Destructive Testing Crack Welding Joint in Long Distance Natural Gas Pipeline

作　　者：吴超 唐世东 张本同 王福德 汪佩佩 WU Chao;TANG Shi-dong;ZHANG Ben-tong;WANG Fu-de;WANG Pei-pei(PipeChina West East Gas Pipeline Company,Hefei 230031,China;Wuhan Sanlian Special Technology Co.,Ltd.Wuhan 432200,China)

机构地区：[1]国家石油天然气管网集团有限公司西气东输分公司,安徽合肥230031 [2]武汉三联特种技术股份有限公司,湖北武汉432200

出　　处：《全面腐蚀控制》2023年第12期87-90,共4页Total Corrosion Control

摘　　要：文章介绍在长输天然气管道环焊缝开挖复拍过程中,发现裂纹焊口,通过其它检测方法和二次复拍验证,讲述了裂纹焊口判定及确认的过程,较为全面地分析了建设时期未能发现此道环焊缝裂纹口的原因,最终确认对此道环焊缝的修复措施。通过对此道环焊缝裂纹口的确认过程及修复措施,在同类项目开展过程中起到较好的示范作用。This paper introduces the crack weld found in the process of re-shooting of the girth weld excavation of the long distance natural gas pipeline,and describes the process of judging and confirming the crack weld through other detection methods and the re-shooting verification.It comprehensively analyzes the reasons for failing to find the crack of this girth weld during the construction period,and finally confirms the repair measures for this girth weld.Through the confirmation process and repair measures of this girth weld crack,it plays a good demonstration role in the process of similar projects.

关 键 词：环焊缝 裂纹 无损检测 

分 类 号：TE88[石油与天然气工程—油气储运工程]