石油工程建设工程管理D0I:10.3969/j.issn.1001-2206.2023.05.016关于长庆气田阴极保护智能桩报警率过高的几点思考毛丽,黄志,刘曼,孙银娟,高耘长庆工程设计有限公司,陕西西安710018摘要:阴极保护智能测试桩是基于物联网信息技术的新兴产物,在长庆气田得到大量推广和应用。该技术在有效提升阴极保护系统智能化管理水平以及减少管道维护管理人力、物力的同时,运行中也发现存在一些问题,比如过高的报警率等。针对长庆气田智能测试桩报警率过高问题,探讨了通电电位控制法的影响,高含氧量和高土壤电阻率的影响,试片断电电位读取时刻的影响,测试试片材质、面积、埋设位置、埋设环境的影响,以及自然电位的误差等,并进行了论证。关键词:智能测试桩;试片断电法;欠保护报警ReflectionsonhighalarmrateofcathodicprotectionintelligentpileinChangqingGasFieldMAOLi,HUANGZhi,LIUMan,SUNYinjuan,GAOYunChangqingEngineeringDesignCo.,Ltd.,Xi'an710018,ChinaAbstract:ThecathodicprotectionintelligenttestpileisanewproductemergingfromtheInternetofThingstechnology,andhasbeenwidelypopularizedandappliedintheChangqingGasField.Thistechnologyimprovestheintelligentmanagementofcathodicprotectionsystemsanddramaticallyreducesthemanpowerandmaterialresourcesofpipelinemaintenancemanagement.However,someproblemsariseduringtheoperation,suchashighalarmrates.Thus,takingthehighalarmrateofintelligenttestpileintheChangqinggasfieldasthetopic,thispaperdiscussestheeffectsoftheelectricpotentialcontrolmethod,highoxygencontentandsoilresistivity,andreadingtimeoftestsegmentalelectricoutagepotential.Meanwhile,itanalyzesandverifiestheinfluenceofthematerial,area,andburiallocationandenvironmentofthetestsegment,andnaturalpotentialerrors.Keywords:intelligenttestpile;testsegmentalelectricoutagemethod;underprotectionalarm1智能桩应用存在的问题2022年10月,长庆气田智能阴极保护系统平台(见图1)上线试运行,各采气单位已将549套智能阴保测试桩有关数据接人平台。目前管道保护电位正常的智能桩为314个,整体正常率仅57%,异常智能桩235个,其中欠保护220个,过保护8个,掉线7个,整体不合格率达到43%,欠保护率高达40%,见表1。目前报警频繁,报警率超高,导致平台整体使用率较低。2智能桩报警率过高...