焊管2024，Vol.47Issue(9)：8-13,6.DOI:10.19291/j.cnki.1001-3938.2024.09.002
在役油气含缺陷管道B型套筒修复技术研究现状
Research of B-type Sleeve Repair Technology for in-service Natural Gas Pipeline
周雨微 1温鹏军 1张骁勇 2王世清 2路永新2
作者信息
- 1. 西安石油大学 材料科学与工程学院,西安 710065
- 2. 西安石油大学 材料科学与工程学院,西安 710065||西安石油大学 油气田腐蚀防护与新材料陕西省高等学校重点实验室,西安 710065
- 折叠
摘要
Abstract
Oil and gas pipeline long-term service will appear in the ring weld defects,which is caused by oil and gas pipeline safety accidents,one of the main reasons,in-service welding repair is to ensure that the normal service of the pipeline to ensure the normal production of important measures.In recent years,B-type sleeve repair technology has gradually become an important technical means to solve the defects of the pipeline ring weld by virtue of its short repair cycle,low cost and wide range of advantages.This paper summarizes the practical application of B-type sleeve repair technology at home and abroad,and focuses on the common problems of burn-through and hydrogen cracking in the welding process of natural gas pipelines in service.The study shows that the minimum wall thickness should be 6.4 mm,reasonable control of welding heat input,the use of low-hydrogen electrodes,the implementation of preheating before welding and other measures can effectively reduce welding defects and improve the safety and reliability of pipeline repair.关键词
油气管道/环焊缝缺陷/在役修复/B型套筒Key words
oil and gas pipeline/defects in circumferential welds/in-service repair/B type sleeve分类
矿业与冶金引用本文复制引用
周雨微,温鹏军,张骁勇,王世清,路永新..在役油气含缺陷管道B型套筒修复技术研究现状[J].焊管,2024,47(9):8-13,6.
