monthly check for multiphase flow meterWord格式文档下载.docx
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Period:
InAugust
Emptycountschecking
Aspartofthemonthlychecks,anemptycountratecheckingforsignalanddualgammasensorswereperformed.Comparedwithpreviousrecordsoncountratesthecurrentcountratesarestableandthedifferenceiswithinacceptablerange.Fordetailspleaserefertobelowtableandchart.
DATE
Activities
SingleGammaSensor
DualGammaSensor
highenergy
lowenergy
May,2009
Commissioningperiod
4074717
258278
506336
June,2009
QuickCheck–1stmonth
4081534
257672
507446
Jul,2009
QuickCheck-2ndmonth
4021359
255423
494533
Table2.1
Fig2.1
Densitychecking
Thedensityfigureandcomparisonchartasfollowing.
Oildensity(kg/m3)
Waterdensity(kg/m3)
Commissioning
898.2
1078.5
QuickCheck-1stmonth
889
1080
899.3
1077.5
Table2.2
Fig2.2
WaterCalibration(ForDualGammaSensor)
Thefigureoffluiddensityrecordedduringcommissioning&
firstmonthlycheckperiodisalmostsamethanthefigureanalyzedduringthismonthlymaintenanceperiod,inordertoimproveBS&
Waccuracy,wecarriedoutdualgammasensorcalibration.
Re-Commissioning
132407
42686
Jul,2009
QuickCheck-2ndmonth
130397
42020
Table2.3
Fig2.3
OilCalibration(ForDualGammaSensor)
Jan,2009
156962
156677
Quick-2ndmonth
155658
155797
Table2.4
Fig2.4
DifferentialPressureTransmitter
Inspection:
A.ProcessConnectionsCorrect.Yes
B.Pneumatic/ElectionsConnectionsCorrect.Yes
C.ElectricSupplySettingCorrect.Yes
Rangechecking:
Output
4-20mA
Measurerange
0-248kpa
Currentreading
0kpa
Table2.5
PressureTransmitter
C.ElectricSupplySettingCorrect.Yes
Range:
Signalrange:
0-2000kpa
0.12kpa
Table2.6
TemperatureTransmitter
0-100°
C
37.6°
Table2.7
Venturi
Venturiparametersettingasfollowing.
0.9778
E
1.0305
d(mm)
121.95
Table2.8
DAUsystem
VisualcheckingonDAUSystem.
Item
CPUboardandDOC
Ok
Singlegammacard
Dualgammacard
A/Dand/orD/Acard
Memorycard
CON-A/CON-Bmodule
Table2.9
Checklist
CheckingitemsofMFMfunctionblocksandcomponents
S.No.
Description
Status
Remarks
1
Powersupplyandwiringconnection
OK
2
Communicationconnectionandsetup
3
SinglegammaTransmitter
4
DualgammaTransmitter
5
Pressuretransmitter
6
Temperaturetransmitter
7
DifferencePressureTransmitter
8
DAUsystemandcomponents
9
RadiationCautionSign
10
VisualcheckandMFMandskid
Bolt/Nut/Gasket
Leakageandseepage
Basiccleaning
Table2.10
3.LogFileanalysis
Fig3.1
Fig3.2
Remark:
Fig3.2showsliquidflowrate&
DPreadingforFLAHBBmeter
Fig3.3
Fig3.3showsoilwater&
GasreadingforFALAHBBmeter
Theflowratesfluctuateallthetime.Thisisnormalphenomenaforwelltesting.Haimomultiphaseflowmeterisarealtimeandroundtheclocktestingfacility.DPvaluesandliquidflowratesarealsodemonstratedbyFig3.1
CountsStabilityPerformance
Fig3.4
Fig3.5
Fig3.6
Obviously,thegenerallystabilityofWLRandWCisanechoofgenerallystabilityofhighandlowenergycounts.ThefluctuationofhighandlowcountsinfluencesthetestingofWLR/WC.AsaresultWLRfluctuateswithhighandlowcountsslightlyshaking.
4.Conclusions
●BasedonthereQuickChecksperformedonBBmeter,allofdensityandgammacountrateseemstobestable.
●Allinstrumentsareworkingfine.
●TestsofWLRandGVFareacceptablewithstablecountrates.
●Thevisualinspectionconductedisalsosatisfactory
5.Acknowledge
Wewouldliketotakethisopportunitytoexpressoursincereappreciationandthankstoallpersonnelintheengineeringandoperationssectioninparticularaswellastheotherrelativedepartmentsfortheirkindcooperationandfullsupportshowedduringthismonthlycheck
Thanksverymuch!
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