第43卷第2期(2024-02)油气田地面工程https://yqtd.cbpt.cnki.net集输处理关于海上油田油水界面测量情况的探讨*张浩1高伟1鲁大勇2詹蕊菱2张勇1李德伦1王永恒11中海石油(中国)有限公司湛江分公司涠洲作业公司2中国石油天然气股份有限公司西南油气田公司川西北气矿摘要:随着海上油田产液量的日益增高,原油处理流程脱水效果的好坏将直接影响到外输原油的品质以及下游回注生产水的水质。为了保证原油在处理流程中达到良好的脱水效果,需要对处理流程中三相分离器及电脱水器的油水界面进行准确测量。通过对三相分离器运行效果及油水界面测量情况分析,电脱水器运行效果及油水界面测量情况分析,提出了一种油水界面测量的改进方法。经油田现场实际应用一年的结果验证,油水界面测量方法调整后能够准确测量出油水界面,油水处理效果改善明显,电脱水器运行电流明显降低,水相出口含油率由250mg/L下降至120mg/L;改进后系统稳定性得到提高,上游来液波动影响明显降低,提高了生产效率,降低了生产成本。关键词:油水界面;三相分离器;电脱水器;射频导纳;原油脱水DiscussionontheMeasurementofOil-waterInterfaceinOffshoreOilfields*ZHANGHao1,GAOWei1,LUDayong2,ZHANRuiling2,ZHANGYong1,LIDelun1,WANGYongheng11WeizhouOperationCompanyofZhanjiangBranch,CNOOC(China)2NorthwestSichuanGasMineofSouthwestOil&GasFieldCompany,CNPCAbstract:Withtheincreasingamountofliquidproducedinoffshoreoilfields,thedewateringeffectofcrudeoiltreatmentprocesswilldirectlyaffectthequalityofcrudeoilexported,andthequalityofproductionwaterreinjecteddownstream.Inordertoensurethegooddewateringeffectofcrudeoilinthetreatmentprocess,itisnecessarytoaccuratelymeasuretheoil-waterinterfaceofthethree-phaseseparatorandelectricdehydratorinthetreatmentprocess.Animprovedmethodofoil-waterinterfacemeasurementisproposedbyanalyzingtheoperationeffectofthethree-phaseseparatorandthemeasure-mentofitsoil-waterinterface,aswellastheoperationeffectoftheelectricdehydratorandthemea-surementofitsoil-waterinterface.Afteroneyearoffieldapplication,theoil-waterinterfacecanbeaccuratelymeasuredaftertheadjustmentoftheoil-waterinterfacemeasurementmethod,theoil-watertreatmenteffectisobviouslyimproved,theoper...