reduce lact cost – coriolis measurement with integral · pdf file ·...
Post on 20-Mar-2018
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Reduce LACT Cost – Coriolis Measurement with Integral Temperature Averager
OIL & GAS
RESULTS•Costsavingsofapproximately$4,000perinstallation
•APIMPMScompliantaveragetemperaturecalculations
•SmalleroverallfootprintforCoriolis-basedLACTskid
APPLICATIONLeaseAutomaticCustodyTransfer(LACT)unitsareusedtomeasuretheNetStandardVolume(NSV)ofcrudeoilproducedataproductionlease.OneinputtoNSVcalculationsisatemperatureflow-weightedaverage(TWA)valueoverthecontractrunperiod.MicroMotionwhitepapernumberWP-001979providesadetaileddescriptionofLACTunitsandNSVcalculations.
CHALLENGEHistorically,LACTunitsusedmechanicalpositivedisplacementflowmeterswithexternaltemperatureaveragerstorecordTWAforNSVcalculations.However,mechanicalpositivedisplacementflowmetersrequireperiodicmaintenanceandneedadditionalexternaltemperatureaveragerstodetermineTWA.Thistranslatestoadditionalcustomercosts.
SOLUTIONThecustomerchosetoinstalltheMicroMotionELITE®Seriesflowmetersandthe2700/5700SeriesflowtransmitterswithanAPIReferralSoftwareoption.AnexternalflowingtemperaturetransmitterprovidesaninputtotheflowtransmitterviaaHARTprocessvariableoranalogsignal.TWAiscalculatedviathesoftwareoptionandcanberesetviathetransmitter’sdisplayorModbuscommunications.LACTmeasurementqualityandavailabilitywasincreasedduetothemaintenancefreeCoriolisflowmetertechnology.TheLACTskidfootprintwasalsoreducedduetofewercomponents.
TheseinvestmentsresultedinreducedcoststoinstallandoperateaCoriolisbasedLACT,savingthecustomerapproximately$4,000perunit.
AN-001981/©2015MicroMotion,Inc.Allrightsreserved.
Formoreinformation:www.MicroMotion.com/oil-and-gaswww.MicroMotion.com
LeaseAutomaticCustodyTransfer(LACT)unit
Model 5700 Transmitter
Micro Motion ELITECoriolis Flowmeter
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