API TR 2583 1ST ED (2025) Measurement of Produced Water for Custody Transfer; First Edition.docx
MeasurementofProducedWaterforCustodyTransferAPITECHNICALREPORT2583FIRSTEDITION,JUNE2025AmericanPetroleumIInstituteSpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.APIisnotundertakingtomeetthedutiesofemployers,manufacturers,orsupplierstowarnandproperlytrainandequiptheiremployees,andothersexposed,concerninghealthandsafetyrisksandprecautions,norundertakingtheirobligationsunderlocal,state,orfederallaws.Informationconcerningsafetyandhealthrisksandproperprecautionswithrespecttoparticularmaterialsandconditionsshouldbeobtainedfromtheemployer,themanufacturerorsupplierofthatmaterial,orthematerialsafetydatasheet.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Allrightsreserved.Nopartofthisworkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,200MassachusettsAvenue,NW,Suite1100,Washington,DC20001-5571.Copyright©2025AmericanPetroleumInstituteForewordNothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.SuggestedrevisionsareinvitedandshouldbesubmittedtotheStandardsDepartment,API5200MassachusettsAvenueNW3Suite1100,Washington,DC20001,standardsapi.org.ContentsPage1 Scope12 NormativeReferences13 TermsandDefinitions14 SelectionofMethodsforDynamicMeasurementQuantityDeterminationUsingAvailableEquipment14.1 MeasurementConsiderations14.2 ProducedWaterContractConditions25 GeneralMeteringSystemDesign25.1 ProcessConditions5FluidProperties5andFlowAssuranceConsiderations35.2 MeteringSystemGeneralDesignConsiderations35.3 MeteringSystemControls,Diagnostics,andOperatorInterfaceConsiderations45.4 CapabilityandUncertainty466666666612345678DesignandSelectionofMeteringSystemComponents5FlowMeterTechnologies5FlowMeterSizing7PipingandValvesforMeteringMaintenanceandIntegrity7FlowMeterCompatibilitywithElectricalSystem7StrainersandFilters7Air日iminators8InsulationorHeatTracing8ThermalReliefSystems81.10 Drains81.11 Pumps87 Start-upandCommissioning88 RecordKeeping88.1 General88.2 DataAvailability98.3 AuditandReportingRecommendations98.4 Security109 ConfirmationofPerformance109.1 PerformanceRecords10AnnexA(informative)FlowMeterTechnologyAdvantagesandLimitations11Bibliography13Tables1MeasurementConsiderations22TypicalMeterTypesforProducedWaterMeasurement6ContentsPage11A.1FlowMeterTechnologyAdvantagesandLimitationsIntroductionThistechnicalreport(TR)providesuserswithinformationavailableforuseinapplyingmeteringtechnologytoachieveproducedwatermeasurementuncertaintiesofbetterthanorequalto±5.0%ofreadingunlessotherwiseagreedtobycontractualpartiesorregulatoryagency.Itisnotintendedtoserveasastandardorrecommendedpracticeandinstanceswhererecommendationsoccur,itisprovidedforconsideration,ratherthanestablishinganindustrypractice.Producedwaterquantity(massorvolume)doesnotnecessarilyrequiretemperatureorpressurecorrectiontostandardconditions.However3temperatureandpressurecanbemeasuredforalternatepurposes(e.g.,safety,ancillaryinformation).Notethatgenerallyacceptedcorrectiontablesdonotexistfortemperatureandpressurecorrectioninproducedwater.RefertoAPIMPMSChapter20.1formoreinformation.ThisTRisnotintendedtocoverproducedwaterquality,emulsions,separator/allocationmeasurement,ortemperatureandpressurecorrections.VllMeasurementofProducedWaterforCustodyTransfer1 ScopeThistechnicalreportprovidesinformationavailableforuseindynamicquantitymeasurementofproducedwater.Thistechnicalreportprovidesadditionalconsiderationsforthedesign,selection,andmaintenanceofaproducedwatermeasurementsystemforcustodytransferapplications.2 NormativeReferencesTherearenonormativereferencesforthisdocument.3 TermsandDefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.3.1producedwaterAfluidfromoilandnaturalgaswellsthatprimarilyconsistsofformationwaterandmayincludeinjectionwaterandothernaturallyoccurringandaddedcompounds,solids,andconstituents.3.2flowassuranceTheactofensuringsuccessfulflowofthefluidstreamfromreservoirtothepointofsale.3.3calibrationAsetofoperationswhichestablish,underspecifiedconditions,therelationshipbetweenthevaluesindicatedbyameasuringdeviceandthecorrespondingknownvaluesindicatedwhenusingasuitablemeasuring