How Centralized Produc2on Facili2es Are Being … Centralized Produc2on Facili2es Are Being...
Transcript of How Centralized Produc2on Facili2es Are Being … Centralized Produc2on Facili2es Are Being...
HowCentralizedProduc2onFacili2esAreBeing
Effec2velyU2lizedToAdministerOilfieldChemicals
intheBakkenPlayofNorthDakota
ChrisClark,Produc2onEngineeringManager–LibertyResourcesLLC
BryanBugg,SeniorProduc2onEngineer–LibertyResourcesLLC
Outline
• Acreageposi,on• Centralizedproduc,onfacility&infrastructurecorridorlayout
• Hightubularfailurerateswithcentralfacilitywellsrela,vetoindividualwells
• IDrootcause(s)offailures• Developmentofachemicalplantoaddressfailures• Takingadvantageofthefacilitytoadministerchemicalandmonitorresults
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LibertyIICurrentLandPosi2on
• ~29,000netacresand
18operatedDSU’s.
• Corecon2guous
developmentareaof
~12,000grossacresand
10operatedDSU’s.
• ~95newwellsinthe
coreareaand130wells
totaltodrillwitha
cleanslateforplanning
aninfillprogram.
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InfrastructureCorridorConcept
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6.5”16”16”
6” 6”6.5”
25
36
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12
6
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CentralFacility:DrillSite:Exis,ngPad:U,lityCorridor:FutureCorridor:FracPond:
WDW
WDW
WDW
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6.5”ProducedWater16”FracWater6”Freshwater
TrenchOne TrenchTwo
“TheNo.1objec2ontoindustry’spresenceis
alwaystrucks.”GeorgeKing-ApacheCorp.
WallStreetJournal(5thMay2015)
HESS
6”FuelGas16”GasGathering6.5”OilGathering
- Removestrucksduringdevelopment
drillingandfracopera2ons
- Removesover200PWtrucksadayat
fulldevelopment
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DrillSiteWest
(DSW)
DrillSiteEast
(DSE)
DrillSiteCentral
(DSC)
Central
Facility
6”6”6”
Treaters Treaters
Producedoil&waterProducedgasHighpressureALlineFiberOp=c
- SingleCentralFacility(CF)servicesallwellswithinDSU- 2drillingpadsper1280or3padsper2560acreDSU- Pad-to-padflowlinesconnectwellstoCF- Centralizedhydraulicar,ficialli\equipment
- Centralizedhydraulicli\providesanexcellentwaytodeployproduc,onchemicals
- Buildaninfrastructurecorridortoconnectcentralfacili,es
CoreDevelopmentConcept–aka“TheLibertyOilFactory”
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LeonCentralProduc2onFacility–9Wells
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McGregorCentralProduc2onFacility–20Wells
• Builtfor20wells• SecondCentralFacility• Summerbuild• Broughtonproduc,oninAugust• Costperwell$1.25Million
- CementPad$100M/well- Facility$1,005M/well- AL$145M/well
CentralFacilityFlowDiagram
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Gas
Sales
Flare
PowerFluid
Vessel
Ver2cal
Treater
VRT OilTank
VRU
WaterTankCommingled
Oil&Water
Dedicated
Treater
Gas
Scrubber
Dedicated
Treater
WH
WH
Dedicated
Treater
WH
Commingled
Gas
PowerFluid
(OilorWater)
DrillSites
Pad-to-Pad
Flowlines CentralFacility
Gas
Oil
Water4Stagesofsepara2onwithVRU
IndividualWellFlowDiagram
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JetPump–HowDoTheyWork
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Surfacetriplexpumpu,lizespowerfluidsupply(oilorwater)andpumpsitdownthetubingtoaretrievablejetpump.Thepowerfluidtravelsthroughthejetpumpcrea,ngaVenturieffect,drawingproducedfluidfromthereservoir.Thecombinedproducedandpowerfluidarethenli\edtosurface.
JetPump
hhp://www.youtube.com/watch?feature=player_detailpage&v=IApbQv3T-yk
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HighTubularFailureRatesatCentralFacilityWells
• Experiencinghighfailureratesintubularsatcentraltankbaherywells• Holesintubingatmul,pledepths(+/-9200’and+/-3500’• Connec,onfailures
• Mul,pleinterpreta,onsoffailuremechanismsfromvendorsandoutsideconsultants• CO2,Microbial,H2S,O2?Whatistherealrootcause(s)?
• What’sdifferentfromtheindividualwells?
Iden2fica2onofIssue(s)
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• What’sdifferentattheCTB’sthanindividualwells?• Opera,ngonpowerwatervsoil(nowonpoweroil)• Corrosivegasesfromsomewellscaneffectallwellsthroughthecommingledpowerfluid
• Vendorissues:• Notpro-ac,veinprovidingchemicaladministra,onsolu,onswiththe
centralizedhydraulicli\
• Gatheredfailuresamplesforanalysis• Sendtomaterialslabforfailureanalysistoclarifyrootcause(s)
– Standardmetallographicanalysis– SEM,XRD
• U,lizepreliminaryfindingsand“mostlikely”thinkingtobegincorrosionchemicalprogram
DevelopmentofChemicalPlan
StartedwithaRACIChart:
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DevelopmentofChemicalPlan
• ChemicalSelec,onCriteria• Environment:Pressure,Temperature,pH,Salinity,WaterChemistry,OilChemistry
• Benchtes,ngchemistries• Pastdocumenta,onoffailures:Samples,pictures,pumpcards,etc.• Failureanalysislabs:Differingopinionsoffailuremechanismsfrommul,ple“corrosionexperts”– CO2,H2S,Microbial,O2???Whohasitcorrect???– Getverifica,onfromSEM,XRD,Crosssec,onoffailures
• ChemicalUsage–Howmuchisenoughandhowmuchistoomuch?• ERprobestomonitorreal,mecorrosionratesto,trate• Residualsmonitoring• Datatrending• Wellcharacteris,cschangingGOR/WOR
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DevelopmentofChemicalPlan
• Automa,on:• Integratereal,mefluidlevelmonitoringofchemicals• Webbasedsurveillanceofchemicalinventories
• DeadZoneTreatment:• Ourthoughts:Placetubingtailsintothelateralwith“s,cks”ofsolidchemical
• Measurestoreducewinterimpact:• CentralTankBaheriesandInfrastructurecorridor
– Consolida,onofchemicalpumpsandinventories– Pipelinesforallproducedfluids
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TakingAdvantageoftheCentralFacility&HydraulicLig
• CentralDeliveryPointsofChemicalforMul,pleWells• DeliverchemistrywithlessCAPEX
• Hydraulicli\(jetpump,pistonpump)enablescon,nuoustreatmentofwellbores• Managementofinventoryissimplified
• Fewerloca,ons,automatedinventory• Con,nuousmonitoringofKPI’s
• Measurementand&automa,on:MonitoringandmaintainKPI’s
ChemicalPump
ERProbes
Ques2ons?
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