双兰线某阀室附近管道阴极保护系统干扰问题分析
Analysis of Interference to Cathodic Protection of Shuanglan Pipeline Near to a Valve Station
摘 要
双兰线某阀室设置了一处保护干线的外加电流阴极保护站,其阳极地床距西气东输一、二线均不足200 m,存在通电电位异常问题和干扰风险.通过现场测试对干扰问题进行判断,提出整改措施及建议.
干扰
电位
cathodic protection
interference
potential
Abstract
An impressed current cathodic protection system was built to protect the Shuanglan pipeline in a valve station.Its anode bed is close to the first and second west-east gas pipelines with a distance of less than 200 m,the tested potentials showed the existence of abnormal cathodic protection and interference.Field test of potentials was used to judge the interference.Some solution measures and suggestions of the above issues were proposed.
中图分类号 TG174
所属栏目 阴极保护
基金项目
收稿日期 2014/6/10
修改稿日期
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备注武建伟(1982-),工程师,硕士,从事长输管道阴极保护与防腐蚀检测工作.
引用该论文: WU Jian-wei,FANG Wei-lin,GAO Liang-ze. Analysis of Interference to Cathodic Protection of Shuanglan Pipeline Near to a Valve Station[J]. Corrosion & Protection, 2015, 36(3): 286
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参考文献
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【3】阮景红,刘国,王修云,等.塔河油田油气管线阴极保护系统失效原因与对策[J].腐蚀与防护,2012,33(3):261-264.
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【8】PARSA M H,ALLAHKARAM S R,GHOBADI A H.Simulation of cathodic protection potential distributions on oil well casings[J].Journal of Petroleum Science and Engineering,2010,72(3/4):215-219.
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