HPHTTestingGuidelines斯伦贝谢.docx

HPHTTestingGuidelines斯伦贝谢.docx

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HPHTTestingGuidelines斯伦贝谢

HPHTTestingGuidelines-斯伦贝谢

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INDEX

1.Introduction

2.DesignSpecification

2.1ProposedEquipmentLayout

-LayoutDrawing

2.2ProcessandInstrumentationDetails

-P&IDDrawing

-ProcessLineDataSheet

-InstrumentDataSheet

-EquipmentDataSheet

2.3EquipmentPressure&TemperatureRating

-EquipmentPressure&Temperaturerating

2.4SafetySystems-Details

-SAFEChart

-SafetySystemPhilosophy

-SafetyAnalysisTables

2.5SystemThroughputCalculations

-SystemThroughputRecap

-SystemThroughputDetailscalculations

2.6PSV’sPressureDropCalculations

-PSVSizingRecap

-PSVPressureDropDetailscalculations

2.7LandingStringDesign

-SubseaEquipmentDrawing

-SubseaX-Overlisting

3.TechnicalSpecification

Surfaceequipmentdatasheets

Subseaequipmentdatasheets

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4.RecommendedOperatingProcedures

4.1EquipmentPreparation

4.2RigUpofSurfaceEquipment

4.2.1PipeworkProcedures

4.2.1.1WECOTypePipework（Lipsealtype）

4.2.1.2WECOTypePipework（O-Ringtype）

4.2.1.3FlangeTypePipework（Raisedfacetype）

4.2.1.4FlangeTypePipework（RingGroovetype）

4.2.1.5TechlokClampTypePipework

4.2.2PressureTestingProcedures

4.3GuidelinesforEquipmentOperations

4.3.1ExplosiveDecompression.

4.3.2EZValveOperations

4.3.3ChokeManifoldOperations

4.3.3.1Wellstartupthroughchokemanifold

4.3.3.2Changingfromadjustablechoketofixedchoke

4.3.4HeatExchangerOperations

4.3.4.1Wellstartup

4.3.4.2PassingtheflowthroughtheHeatexchangercoil

4.3.4.3Directingofsteamsupplytovessel

4.3.5SeparatorOperations

4.3.5.1Wellstartupthroughseparatorbypass

4.3.5.2Directingofwellthroughseparator

4.3.5.3Bypassingofwellfromseparator

4.3.6BurnerOperations

4.3.6.1Startupproceduresforoperationofburners

4.3.6.2Proceduresforchangingoverbooms

4.3.6.3Burnershutdown.

4.3.7OilManifoldOperations

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5.DSTDownholeTestTools

ProposedDSTString

DSTEquipmentTechnicaldatasheets

6.TCPTubingConveyedPerforating

ProposedTCPString

DSTEquipmentTechnicaldatasheets

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Section1

INTRODUCTION

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1.0Introduction

Objectives

BP’sprogramforthetestingoftheHighPressure/HighTemperatureWellN?

2/7-29requires

theuseofatemporarywelltestsystemonboardthejackup,MærskGuardian.Thissystemwillbeusedtosatisfyseveralobjectives:

1.Toconductalloperationsinasafe,efficientandenvironmentallyacceptablemanner.

2.Toobtainhighqualitydatacommensuratewiththeeconomicpotentialofthe

discovery,specifically:

•Todeterminethemobilefluidtypeandobtainqualitysurfacefluidsamplesfor

PVTanalysis.

•Tomeasureformationpermeability,skinandproductivityindex.

•Toconfirm/determineinitialreservoirpressure.

•Todetermineflowrates,surfacetemperaturesandpressuresatseveralchokesizes.

•Todeterminethemaximumflowratewithinthetemperaturelimitations.

Theequipmentconfigurationofthissystemwillbesimilartothatusedinnormalexplorationwelltesting,butinordertomaximizethepressuredrawdownontheformation,thesurfaceequipmenttemperatureratinghasbeenupgradedtoAPIClassXstandard.Thelocationoftheequipment,or“welltestarea”,onboardMÆRSKGUARDIANissituatedonthePortsidedeck.

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Design

Thedesignofthissystemincludesthecapabilityoftestinghighpressure/highbottomholetemperaturewell.Thesurfaceequipment（EZ-valve,lubricatorvalve,flowhead,heatexchanger,chokemanifold,andtheirassociatedpipework）willhaveamaximumworkingpressureof12,750psiatamaximumworkingtemperatureof350ºF（APIClassXstandard）.Theinstallationofaheatexchangerupstreamofthechokemanifoldprovidestheopportunitytocoolthewelleffluentusingseawater,shouldtheexpectedtemperaturebeexceeded.Thefacilityalsoexiststocoolthefluiddownstreamofthechokemanifoldbyutilizingasecondheatexchanger.Thisheatexchangercanalsobeusedforheatingbychangingthethroughputfromseawatertosteam.Equipmentdownstreamofthesteamexchangerhasbeenupgradedtooperateattemperaturesupto250DegF.

Asimulationofthesystemperformancehasbeencarriedbycalculatingincurredback-pressureatcriticalpointsintheprocess,usingthe“Weymouth”formula,basedonasystemthroughput

ofthemaximumanticipatedgasandcondensaterates.Similarly,systempressure-reliefcapabilityundertheseconditions,hasbeenassessed,andpressure-reliefventlinesdesignedaccordingly.Theoverallsystemcapabilitytocopewithconceivable“undesirableevents”has

beenassessedusingguidelinesdetailedinAPIRP14C.

FulldetailsofthesystemdesignspecificationarecontainedinSection2.

Operation

ThissystemhasbeendesignedtocomplywithbothBPandSchlumbergeroperatingprocedures,andtobeoperatedbySchlumbergerwelltestingpersonnel.Noconsiderationhasbeenmadeforoperationbyotherparties.ManninglevelsforthesurfacetestingareintendedtocomprisefourSchlumbergerwelltestingpersonnelpertwelvehoursofoperationandoneoverallsupervisor.Shouldadditionalspecializedequipmentorworkberequiredtobedone,manninglevelsmaybereviewed.SpecificrecommendedproceduresforthisprojectareincludedinSection4.

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Section2

DESIGNSPECIFICATION

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Section2.1

PROPOSEDEQUIPMENTLAYOUT

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Section2.2

PROCESS&INSTRUMENTATIONDETAILS

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Section2.3

EQUIPMENT

PRESSUREANDTEMPERATURERATINGS

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Section2.4

SAFETYSYSTEMDETAILS

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SafetyAnalysisFunctionEvaluation（S.A.F.E.）

Thesafetyanalysisisperformedbyutilizationofasafetyanalysischecklist（SAC）,asafetyanalysistable（SAT）andsafetyanalysisfunctionevaluationchart（SAFE）.

TheinstallationhasonabasisofthisundergoneaHazopandOperations（HAZOP）studyinconjunctionwiththecustomer.

TheSACdeterminessafetyrequirementforeachlinesegmentandunitintheprocesssystem,recommendedinAPIRP14C.

TheSATgivesthecontrollingandpreventiveactionstobeperformedinordertosafeguardeachcomponentandthesystem.

TheSAFEshowstheoverallsafetyandcontrolsystemconceptandtheinteractionwiththewellheadsafetycontrolsystem.

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Section2.5

SYSTEMTHROUGHPUTCALCULATIONS

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Section2.6

PSVPRESSUREDROPCALCULATIONS

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Section2.7

LANDINGSTRINGDESIGN

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Section3

TECHNICALDATASHEETS

Surface&Subseaequipment

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Section4

RECOMMENDEDOPERATINGPROCEDURES

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Section4.1

EQUIPMENTPREPARATION

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EquipmentPreparation

Pre-jobpreparationinthebase

AlltheequipmentandsurfacetestingequipmentshallbeoperationallycheckedandpressuretestedinaccordancewiththeirrespectiveFITandTRIMprocedures.

Allinstrumentationshallbemastercalibratedandachecklistlogged.

ForallthemajoritemstheHistoryCardmustbecompleted.

Priortoshippingtheequipmentwillundergoaninspectionbytherelevantcertifyingauthority.

Offshore

Alltheequipmentuponarrivalatthewellsitemustundergoaninitialinspectiontocheckfordamageandtoensureitisaccountableasperthejobpackinglistanddeliverytickets.

Allequipmentshouldbeunloadedandoperationallycheckedasperguidelinesofthefieldoperatinghandbooksandmanuals.

Acompletesafetyauditofthesitemustbemade,withalistofanypotentialhazardshighlightedanddrawnup.ThesemustbediscussedwiththeBPandrigrepresentativeswiththeviewtoeradicatingpotentialandtheexistinghazards.

AsafetymeetingshallbeconductedinconjunctionwithBPNorwaywhichallsupervisoryandessentialpersonnelmustattendtodiscussthefollowing:

a）Outlineofallwelloperations

b）Hazards

c）Specificsafetymattersandtheuseofcertainequipment,i.e.ESDsystemd）Emergencyandcontingencyprocedures.

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Section4.2

RIGUPSURFACEEQUIPMENT

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RigUpofSurfaceEquipment

Themajorequipmentmustbepositionedonsiteasperthecertifyingauthorityapprovedlayoutdiagram.（93.22ST.LAY）.Anydeviationfromthisandthecertifyingauthoritymustbeinformed.

Allinstrumentationandcomponentsmustbe