高含水率油、气、水多相流量计的研究

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1、浙江大学信息科学与工程学院硕士学位论文高含水率油、气、水多相流量计的研究姓名：姜昊申请学位级别：硕士专业：检测技术与自动化装置指导教师：杨江20070501浙江大学硕士学位论文AbstractIt’Sofgreatimportancetomeasuret11eoil-gas-watermultiphaseflowsinceithasawiderangeofapplicationinmodempetroleumindustry．ButitisverydifficulttodevelopMPFMs(multiphaseflowme

2、ters)becauseofthecomplexityofflowregimesandtheinconstancyofflowcomposition,bynowonlyfewpracticablecommercialMPFMsareavailable．11圮CnKieoilfrommostoilfieldsinChinaalwayshashighwatercutswhichmaybeover80％．SOtherealecommercialdemandsforhigh-wate-eutoil-gas．waterMPFMs．Aft

3、ersummarizedtheresearchonMPFMsandtheresearchers’experiencesandresults。thisdissertationpresentedanovelmethodtomeasurethehighwater-cutmultiphaseflowmainlybasedontheultrasonicsensor,conductancesensor,anddiscussedthemeasurenmentprinciplesandsolutionsindetailincludingthe

4、selectionsofsensorsandthemeasurenmentpipelines．thehardware&sottwaredesign．11舱measurementsolutionhastheadvantagesofnon-radioactivitypollution,non-invasive，andwithoutmovingcomponents．11峙MPFMiSconsistofmainandHiI(HumanMaehineInterfaee)module，ultrasonicmeasurementmodule

5、，conductancemeasurementmodule，temperatureandpressuremeasurementmodule．EvcrymoduleoftlleMPFMCandealwiththesignalfromsenSOrandcaleulatesthemeasurandindependentlywithallembeddednueroprocessor．AnARMprocessorLPC2119wasusedinthemainmodule．ultrasonicmoduleandconductancemod

6、ule．ASOC(systermonchip)80C51F040wasempl03，edtodetecttemperatureandpressureinthemodule．Somestatictestsofthemoduleshadbeencarriedout．Theexperimentaldatademonstratedtheeffeetivenessofthemodules．AllmodulesaleconnectedbyisCANfControlAreaNetwork)bus，whichcallimprovethecom

7、municationreliablity,makethenetworksimpleandeasytobeexpandedandupgraded．ThemainmodulegatherstheparametersfromdifferentmodulesviaCANbus，andcaculatesthevelocitiesandthemultiphaseflowrates．Asoftmodelmeasuringtheoil．gas-watermultiphaseflowhadbeenestablishedbydatafusionm

8、ethod．DatafusionCansolvetheproblemthatthe蚴sors辩notalwaysavailableunderallflowregimesandmakethemeasurementsy’stemworkcontinuously,steadilyb