第43卷第3期(2024-03)油气田地面工程https://yqtd.cbpt.cnki.net数字油田油气管道光纤预警系统性能评价方法辨析*蔡永军1王海明1高义2滕振恒2陶冶3庄楠3王宁3张弢甲31国家管网集团研究总院2国家石油天然气管网集团3国家管网集团北方管道有限责任公司摘要:经过十余年的发展,油气管道光纤安全预警技术性能不断提高,已成为管道技防的重要手段。由于缺少技术指标定义及其测试方法,技术提供商宣传的指标无法横向对比,采购方无法评估现场应用效果,制约了技术的应用推广。因此,对监测距离、灵敏度、定位精度等核心技术指标从硬件制约因素、软件功能、应用效果等方面进行辨析,给出了合理的定义方法。在软件方面,对影响系统使用效果的误报率、报警率等识别功能的相关制约条件进行理论分析;对关键指标本着标准化、可重现的原则,给出可信的室内、室外测试方法,并通过了现场可行性验证;同时对光纤安全预警技术的广泛应用作出了展望。关键词:光纤预警;灵敏度;监测距离;定位精度;报警率;误报率ResearchonPerformanceEvaluationMethodsofOpticalFiberEarlyWarningSystemforOilandGasPipelinesCAIYongjun1,WANGHaiming1,GAOYi2,TENGZhenheng2,TAOYe3,ZHUANGNan3,WANGNing3,ZHANGTaojia31ResearchInstituteofPipeChina2PipeChinaCo.,Ltd.3NorthernPipelineCo.,Ltd.,PipeChinaAbstract:Aftermorethantenyearsofdevelopment,theperformanceofopticalfibersecurityearlywarningtechnologyforoilandgaspipelineshasbeencontinuouslyimproved.Ithasbecomeanimpor-tantmeansofpipelinetechnicaldefense.However,thereisalackofindustrystandardstoregulatethetechnicalindicatorsandtheirtestingmethods,andthedeclaredindicatorsofvarioustechnologyprovid-ersarequitedifferent,thepurchasersareunabletoevaluatetheon-siteapplicationeffect,whichse-verelyrestrictstheapplicationandpromotionofthetechnology.Therefore,thecoretechnicalindica-torssuchasmonitoringdistance,sensitivity,andpositioningaccuracyareanalyzedfromtheaspectsofhardwareconstraints,softwarefunctions,andapplicationeffects,andareasonabledefinitionmethodisprovided.Atthesametime,atheoreticalanalysisismadeontherelevantrestrictiveconditionsthataf-fecttherecognitionfunctionofthesystem,suchasthefalsealarmrateandthealarmrate....