完整性管理吴凡等:金属磁记忆检测技术在双金属复合管道上的探索应用油气田地面工程https://yqtd.cbpt.cnki.net金属磁记忆检测技术在双金属复合管道上的探索应用吴凡赵明辉路坤桥许泽伟胡昊徐梦雅张茹哈丽旦木·托呼提买提中国石油新疆油田公司实验检测研究院摘要:采用双金属复合管被认为是解决高腐蚀性油气田地面集输管线腐蚀问题的一种相对安全的办法,但目前国内应用过程中存在管道失效及检测难等问题。金属磁记忆检测技术应用于检测埋地双金属复合管,并通过对磁异常危险等级较高位置进行开挖验证,配合测厚和磁饱和-脉冲涡流等无损检测技术,取得了良好的应用效果。检测结果明确了金属磁记忆检测技术在一定程度上可以满足埋地双金属复合管的应力集中程度检测需求,有一定的推广价值。关键词:双金属复合管;金属磁记忆检测;应力集中;腐蚀失效;开挖验证ExplorationandApplicationofMetalMagneticMemoryTestingTechnologyonBime⁃tallicCompositePipelinesWUFan,ZHAOMinghui,LUKunqiao,XUZewei,HUHao,XUMengya,ZHANGRu,TUOHUTIMAITI·HalidanmuExperimentalTestingResearchInstituteofXinjiangOilfieldCompany,CNPCAbstract:Usingbimetalliccompositepipelinesisconsideredasarelativelysafewaytosolvethecorro-sionproblemofhighlycorrosiveoilandgasfieldsurfacegatheringandtransmissionpipelines.Butthereareproblemssuchaspipelinefailureanddetectiondifficultyinthecurrentdomesticapplicationprocess.Metalmagneticmemorytestingtechnologyisappliedtodetectburiedbimetalliccompositepipelines.Ithasbeenverifiedbyexcavationatlocationswithhighrisklevelofmagneticanomaly,andhasachievedgoodapplicationresultsincombinationwiththicknessmeasurement,magneticsaturation-pulseeddycurrent,andothernondestructivetestingtechnologies.Itisclearthatthemetalmagneticmemorytest-ingtechnologycanmeettherequirementsoftestingthestressconcentrationdegreeofburiedbimetalliccompositepipelinestoacertainextent,andhascertainpromotionvalue.Keywords:bimetalliccompositepipeline;metalmagneticmemorytesting;stressconcentration;cor-rosionfailure;excavationverification双金属复合管是由两种金属管道组合而成的一种新型管道[1],其外部管道是普通的碳钢管,起到承受管道系统工作压力的作用;内衬管道是...