油气管道直流杂散电流腐蚀防护研究进展

2015 年 第 6 期 Pipeline Technique and Equipment 2015 No． 6 收稿日期:2014-11-25 收修改稿日期:2015-06-20 油气管道直流杂散电流腐蚀防护研究进展 孙云峰1,李 毅2,王中良1,梁 晶3 (1.中石油北京油气调控中心,北京 100007;2.中石油西南管道公司,四川成都 610041;3.中石油规划总院,北京 100083) 摘要:以国内外油气管道直流杂散电流腐蚀的研究成果为基础,分析了直流杂散电流腐蚀的机理、 特点,列举了国内外直流杂散电流腐蚀测试方法,同时总结了目前直流杂散电流腐蚀的防护技术与防 护方案。 基于国内外对直流杂散电流腐蚀的研究进展,通过对比分析,提出了测试与防护的相关建议。 关键词:油气管道;直流杂散电流;测试;防护措施;腐蚀 中图分类号:TE988 文献标识码:A 文章编号:1004-9614(2015)06-0034-03 Development of DC Stray-current Corrosion Protection Study on Oil and Gas Pipeline SUN Yun-feng1, LI Yi2,WANG Zhong-liang1,LIANG Jing3 (1.PetroChina Oil and Gas Pipeline Control Center,Beijing 100007,China; 2.PetroChina Southwest Pipeline Company,Chengdu 610041,China; 3.PetroChina Planning and Engineering Institute,Beijing 100083,China) Abstract: Based on the research results of DC stray-current corrosion of oil and gas pipeline at home and abroad, the mech- anism and characteristics of DC stray-current corrosion were analyzed. The DC stray-current corrosion test methods at home and a- broad were listed. At the same time, the current DC stray-current corrosion protection technology and protection scheme wer......