中国长输油气管道外防腐及补口技术进展及展望

Progress and Prospect of External Anti-Corrosion and Field Joint Coating Technologies for Long-distance Oil and Gas Transmission Pipeline in China

介绍了国内长输油气管道的外防腐技术从20世纪50年代发展到现在的各个历史阶段的技术水平和主要方式,根据补口技术的应用和发展,探讨了新型防腐补口材料和技术的发展方向。

This paper introduces the external anti-corrosion techniques and field joint coating techniques of long oil and gas pipeline from 1950s to now at home,and discusses the application and development direction of new anti-corrosion and field joint coating mate⁃rials and technologies.