长输油气管道有效阴极保护的几点改善措施

Several Measures to Improve the Effective Cathodic Protection for Long-distance Oil and Gas Pipeline

摘要: 针对埋地长输油气管道及其设施阴极保护系统中几类隐蔽性强、危害性很大的功能缺陷，分析了导致其产生的各种因素和可能导致的危害后果。结合多年的现场实践经验，提出了在设计、施工和日常维护过程中提高阴极保护系统有效性和可靠性的解决方案或改善措施。

Abstract: In view of several kinds of functional defects in cathodic protection system of buried long distance oil and gas pipeline and its facilities with strong concealment and great harm, the analysis of various factors leading to defects and possible harmful consequences was conducted. Feasible solutions and improvement measures for the design, construction and operating maintenance are provided to improve the reliability of the cathodic protection system based on the author’s years of practical experience.