多相流计量-4年 MULTIPHASE FLOW METERING - 4 YEARS ON.pdf

NorthSeaFlowMeasurementWorkshop

18-21October2005

MULTIPHASEFLOWMETERING:4YEARSON

G.Falcone,TOTALEPUPLCandImperialCollegeLondon,UK,

G.F.Hewitt,ImperialCollegeLondon,UK,

C.Alimonti,UniversityLaSapienza”ofRome,Italy,

B.Harrison,TriPhaseConsultingLtd,U

1Abstract

Sincetheauthors’lastreviewin2001[1],theuseofMultiphaseFlowMetering

(MFM)withintheoilandgasindustrycontinuestogrowapace,beingmorepopular

insomepartsoftheworldthanothers.Sincetheearly1990s,whenthefirst

commercialmetersstartedtoappear,therehavebeenmorethan1,600field

applicationsofMFMforfieldallocation,productionoptimisationandmobilewell

testing.Astheauthorspredicted,wetgasmeteringtechnologyhasimprovedtosuch

anextentthatitsusehasrapidlyincreasedworldwide.Awho’swho”oftheMFM

sectorisprovided,whichhighlightsthemergersinthesectorandgivesaninsightinto

themetersandmeasurementprinciplesavailabletoday.Costestimates,potential

benefitsandreliabilityinthefieldofthecurrentMFMtechnologiesarerevisitedand

broughtuptodate.Severalmeasurementstechnologieshaveresurfaced,suchas

passiveacousticenergypatterns,infraredwavelengths,NuclearMagneticResonance

(NMR)andElectricalCapacitanceTomography(ECT),andtheyarebecoming

commercial.Theconceptof“virtualmetering”,integratedwithclassicalMFM”,is

nowwidelyaccepted.However,sometimestheprinciplesoftheMFMmeasurements

themselvesareforgotten,submergedinthesalesandmarketinghype.

2Introduction

Overthepastfouryears,MFMhascomealongwayfrombeinggenerallyrecognised

asanareaofresearch,developmentandtechnologyapplication,torepresentinga

disciplineperse’withintheoiland