BluewaterFPSO

FPSObasedExtendedWellTestandEarlyproductionSystemsintheGOMAdvanLoenhoutBluewaterEnergySystemsPresentedbyJosWellinkMexicoOctober2009p.2SubjectsAnoverviewforthedesignandoperationsofExtendedWellTestandEarlyProductionSystems•AboutBluewater•Earlyproduction&welltesting•Stationkeeping•Riserconfigurations•Disconnectablemoorings•DynamicpositionedFPSO’s,experience13/10/2009p.3AboutBluewaterEnergySystemsp.4BluewaterEnergySystems•Foundedin1978•Privatelyowned,independentgroupofcompanies•1000+employeesincludingoffshore,globalrepresentation•Mainlinesofbusiness:-SinglePointMooringSystemsDeliveredover100systemsworldwide-Floating(Production)Storage&OffloadingSystemsOwner&Operatorof7FPSO'sworldwide•ProjectTypes:-EPICTurnkeyMooringSystems-EPIC+OwnerOperatorFullOperationalLeaseProjects•GlobalClients:-OilCompanies,TerminalOperators,MainContractorsp.5BluewaterEnergySystems–MooringSystems13/10/2009p.6BESFPSOExperience1985-2008Firstdesign&Operations(from1985)Presentdesign&Operations(2009)BluewaterEnergySystems–FPSO'sp.7ExtendedWellTest&EarlyProduction13/10/2009p.8FPSOTypesOverviewExtendedWellTest(EWT)½-1yearoperation:minimumproductionfacilitiesEarlyProduction(EPS)1-2yearproduction:basicproductionfacilitiesSmall&middlesizedfieldFPSO4-7yearinitialproduction:fullproductionArrangementsforredeploymentLongTermProductionFPSO15-25yearproduction:maximised/dedicatedprojectfacilities13/10/2009p.9ExtendedWellTest&EarlyProductionExtendedwelltestoperations(EWT)ThepurposeistoobtaininformationabouttheoilfieldsDurationrangesfrom3-6monthsEWTunitsshallbeequippedwiththebasicproductionandtestingfacilities.TheproducedgascanbeflaredforthelimitedperiodExtensivetestandmeasuringequipmentisprovided.Welltestsnormallywillbedonefromsinglewellsonly.Theprocessplantrequiresflexibilityforrangeofcrude,liketheAPIgrade,GORandproducedwater.Storagecapacityrequirementsvaryfrom300,000to600,000bblsofstabilizedcrude.13/10/2009p.10Extendedwelltestunitwithdrill/riserderrickRiserDerrickExampleEWTwithRiserderrick•drill-stringforproduction•Coiledtubing•DPstation-keepingCoiledtubingp.11StationKeepingFlowlineConfigurationTugBoatAvailabilityWaterDepthLocalWeatherConditionsDurationofOperationChangesofWind/CurrentDirectionsOfftakeTankersFPSOSizePowerdemandMooringArrangementsTotalCostsofOperationCAPEXOPEXSelectionofstationkeepingsystemSelectionofstationkeepingsystem13/10/2009p.13EPSEPSEPSDynamicpositionedwithInternalTurretEPSPermanentlymooredPassiveweathervaniStationKeepingEPSEPSEPSDynamicpositionedwithInternalTurretEPSPermanentlymooredPassiveweathervaningwithInternalTurretEPSEPSEPSDynamicpositionedwithInternalTurretEPSPermanentlymooredPassiveweathervaningwithInternalTurretEPSEPSEPSDynamicpositionedwithInternalTurretEPSPermanentlymooredPassiveweathervaningwithInternalTurretEPSEPSEPSDynamicpositionedwithInternalTurretEPSPermanentlymooredPassiveweathervaningwithInternalTurretFPSOFPSOFPSOConvertedVLCCwithInternalTurretFPSOBargewithExternalTurretFPSOBargeSpreadMooredSpreadMoored•Limitedenvironmentalconditions•Largenumberofmooringlines•Restrictedoffloading2-3tugsrequiredExternalTurret•Freeweather-vaning•LesssuitablefordeepwaterloadsInternalTurretPermanentMoored•Freeweather-vaning•DesigntowithstandhurricanesDynamicPosition/Turret•Disconnectableinhurricanes•Lightmooringforsubmergedbuoyonly•Continuesfuelconsumption(gasordiesel)13/10/2009p.14FlowlineConfiguration-SpreadMooredandTurretMooredW5W1W3W2PrevailingCurrentW4W5W4W1W3W2PrevailingCurrentTurretmooringSpreadmooringp.15StationKeepingMuninFPSODeepwater–Disconnectablemooringp.16TurretMooringsPermanentmooredturretsystems–largenumberofrisersp.17Turretmooringsp.18RiserConfigurationsDeepwater13/10/2009p.19RiserConfigurationDeepwaterRisersystemsforFPSO’sshallprovidetheflexibilitytocopewiththehullmotionsanddraftvariations.•FlexiblePipesFreeHangingSteepWaveandSteepSConfiguration•SteelCatenaryRiserconfiguration(SCR)FlexjointConnections•HybridRiserSolutionsTetheredRiserBuoyFreeStandingRisers(FSHRorSLOR13/10/2009p.20FlexibleRiserRiserConfigurationDeepwaterp.21RiserSystems•BluewaterTetheredRiserBuoyPatentfiledandgrantedin1997RiserBuoyRisersp.22RiserSystems•FreestandingHybridRiserp.23RiserSystems•SteelCatenaryRiserp.24DisconnectableMooringSystems13/10/2009p.25DisconnectableMooringSystemsEWTandEPSFPSO’swhichoperateinDPmodeand/orHurricaneareascanbeprovidedwithDisconnectablemooringsystems.Themooringsystemcanbedesignedfor:•Quickdisconnect(time30-100seconds)•Planneddisconnect(time2-4hours)Otheradvantagesandflexibilityofadisconnectablesystem•Pre–Installationofthebuoysystemandrisers•Modificationstotheunitwithminimalproductionoperationsp.26DisconnectableMooringSystemsMuninFPSOwithdisconnectablesystemfordeepwaterp.27DisconnectableMooringSystems•Mooringlineconfigurationfordisconnectablesystem13/10/2009p.28BluewaterReferenceProjects-MuninCascade/Chinook(FEED)13/10/2009p.29Thebuoyhasalargenumberofcompartmentsandisdesignedfor81metersofwaterdepthwithonecompartmentflooded.DisconnectableMooringSystemsDisconnectablebuoyfordeepwater,8Risersp.30BluewaterReferenceProjects-F