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OGRP Proposal - OGRP Demo · 10 TECHNOLOGIC, ECONOMIC, ENVIRONMENTAL IMPACTS Ø Economic Benefits:...
Transcript of OGRP Proposal - OGRP Demo · 10 TECHNOLOGIC, ECONOMIC, ENVIRONMENTAL IMPACTS Ø Economic Benefits:...
OGRPProposal
DevelopmentofTes4ngMethodsandDesignofInorganicScale
TreatmentsinWillistonBasin,NorthDakota
HadiJabbari,PhDAssistantProfessor
UniversityofNorthDakota
DepartmentofPetroleumEngineering
August10,2017
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HIGHNUMBEROFWELLS=HIGHMAINTENANCE($)
Source:ModifiedfromU.S.EnergyInforma4onAdministra4on
CurrentTechnology
WillistonBasinoilindustryac4vi4es[courtesyofNASA,2016] 0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
9,600
9,800
10,000
10,200
10,400
10,600
10,800
11,000
11,200
11,400
May-15 Aug-15 Nov-15 Feb-16 Jun-16 Sep-16 Dec-16
Dai
ly O
il Pr
oduc
tion
(bbl
s)
Num
ber o
f Wel
ls
NumberofWells DailyOil(bbls)
January2017Bakken-ThreeForkswellcountisover10,000anddailyoilproducSonisover1millionSTBD[NDIC,2017]
PROBLEMSTATEMENT:Produc4onDecline/AbandonmentDueToScaleDeposits
Ø FormaSondamageandflowhindranceinthewellbore:• organicdeposits• inorganicscales• waterproblems• mechanicalproblems
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TotalesSmateofworldwidescalecostsat$1.4billion[CourtesyofFrenierandZiauddin,2008]
Tubingfouledwithcalcium-carbonatescale[CourtesyofSchlumberger,2017]
"Scalewasthebiggestpainpointintheproduc>onworld".
[HuntOilproduc>onengineerCarlosCardenas]
NorthMcKenzieWellhead
CourtesyofCassieVanDell,2017
q UnderSUPER-SATURATIONcondiSons,solidsdeposit
thatcan
Ø blockPerforaSons
Ø coatpipewalls
Ø impairproducSvity
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CHALLENGESØ Scaledeposi4on–mineraldepositsformingonthesurfacesofproducSonsystem–isreportedtobeoneof
themajorissuesinproducSonfromwellsdrilledinBakkenFormaSon.
Ø Understandingthemechanismofscaledeposi4onovertheWillistonBasinundervariouscondiSonsofrock,
fluid,pressure,andtemperature.
Ø MajorChallenge:underaknownparScularcondiSon,whatChemicalsandinwhatConcentra4on(MEC)
shouldbeusedforscaleinhibiSonortreatment?
Ø Eachfield/wellmayrequiredifferentdesign/treatmentsduetoheterogeneityovertheWillistonBasin.
Ø FrackingtreatmentdesignforcreaSngcomplexfracturenetworks.
NosuchcomprehensivestudyhasbeenconductedforWillistonBasin,ND.
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PROPOSEDTECHNOLOGYØ StudyingtheChemicalscurrentlyusedintheindustryand
testtheireffecSvenessthrough:
• LabExperiments
• SimulaSon&Modeling(molecular&field-scale)
• Data-mining&-processing
Ø DesigningandtesSngnewChemicals:poten4alfor
improvements
Ø PreparingstandardScreeningCriteriaforselecSngproper
scaletreatmentmaterials
Ø AssesstheBusinessPoten4alfornewmaterialstobe
appliedtotheunconvenSonalreservoirsinND
Ø Regularly present the developing product to our IndustryPartners and various businesses working in the Williston
Basin
² New,more-effecSvechemicals
² MinimumEffecSveConcentraSon(MEC)
² MinimalWorkover/treatmentjobs
² MinimalcostandenvironmentalImpact
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Analysis Design Implement Tes4ng BusinessDevelopmentPlanning
Analysis
ComponentDesign
ImplementComponentTes4ng
EvaluateIndustryFeedback
SMARTSCALE-DEPOSITINHIBITION/TREATMENT
1) Wateranalysis(mineralcomposiSon)
2) ScalecharacterizaSon3) RockcharacterizaSon4) Scalingtendencymaps
&visualizaSon5) MolecularsimulaSon
(scalingmechanisms)6) Labexperiments
(comparingapplicaSontechniquesandchemicals).
7) ReservoirsimulaSon.8) Dataminingtofind
relaSonshipsamongsignificantparametersandthecontrollingfactors.
EARL@UNDEnvironmentalAnaly4calResearchLaboratory
CollegeofEngineeringandMines
𝐶𝑎↑2+ + 𝐻𝐶𝑂↓3↑− ↔𝐻↑+ + 𝐶𝑎𝐶𝑂↓3
INDUSTRYSubcontractor
RESEARCHTEAM
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INDUSTRYSUPPORTREQUESTEDSTATESUPPORT
$435,432.20(includingindirectcost)
34.6%PostdoctoralFellow15.2%Faculty(2)14.9%StudentSupport(2)2.3%Equipment2.4%Travel27.4%UNDindirectcost3.9%BARR(Subcontractor)
PostDoc Dr.Rabiei(Co-PI)DataMining
Dr.Jabbari(PI)Reservoir/ProducSonEngineering
GradStudent1 GradStudent2
Mr.KevinBlackMr.DavidMcAtee
$336,000.0
-$17,0003.9%
Dr.ScofKorom
UNDin-kind
$288,772.37
ResourceAssociate/Manager
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PROJECTTIMELINE
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DELIVERABLESØ SummaryReportofpast¤tscaleinhibiSon/treatmentoperaSonsintheWillistonBasin
Ø ConducSngathoroughData-Miningstudyusingallofthedatatopinpointtheproblem&findsoluSons:
• Labtests(coreflood,staScscalingtestsetup)
• Wateranalyses
• Scale&reservoirrockcharacterizaSon
• Scale-tendencyanalysis
Ø FeasibilityofNewChemicalstoimproveinhibiSon&treatmentofscaledeposiSonintheWillistonBasin.
Ø EsSmaSngcosts/revenuestorunthebusinessonalong-termbasis.
Ø PublicaSons&presentaSonsatdifferentevents.
Ø Acomprehensivefinalreportandinterimreports.
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TECHNOLOGIC,ECONOMIC,ENVIRONMENTALIMPACTSØ EconomicBenefits:
Ø AdverseeconomicimpactofscaleproblemonreservoirsinNorthandSouthAmericaisashighas$600millioneachyear[Frenier
andZiauddin,2008].SuccessfulcompleSonofthisworkcansaveindustryintheWillistonBasin,NorthDakotamillionsofdollars
eachyear.
Ø MinimalneedforworkoverjobsandwellintervenSons
Ø OilproducSoncostreducSonandLowerDeclineRates
Ø Revenueincrease
Ø CommercialPoten4al:• Commercializa4onofNewScaleInhibitors&TreatmentMaterialsintheWillistonBasin(owingtothelowoilpricesindustryhas
focusedontheMaintenanceofCurrentlyProducingWellsratherthandrillingandcompleSon).
• Afour-stepwillbesoughtformarke4ngthenewproductsfromthisresearch:
a)understandthecompeSSvemarket b)idenSfytargetmarketandcustomercompanies
c)createmixofmarkeSngstrategies d)createBUZZ!
Thisresearchwillhelpchemicalservicecompanies,suchasCreedenceEnergyServices,gainfurtherinsightintothescaleforma4onprocessspecifictoBakken/ThreeForkswells,includingthetypeofscalelikelytoformbasedonbrinecomposi4onandwellboredynamics.UlSmately,theresearchwillhelpreducetheextraordinarycostsofscaleremedia4ontooperatorsbyprovidingamorerobustandscienSficapproachtoboth1)diagnosingawell’ssuscep4bilitytoscaledeposi4onand2)designingthemosteffec4vescaleinhibitorchemistryandapplica4ontechnique.
Ø EconomicImpactonND:• Growthinoilcompanies’revenue=higherNDrevenuefromTAX• OperatorsandservicecompaniesintheWillistonBasin• InvestmentopportuniSes• EmploymentintheDevelopedBusiness:JobscreaSonandretenSon
Ø EnvironmentalImpact:• LowerproducSondeclineratesintheWillistonBasinwhichmeanslessneedforworkoverjobs
• Lessfreshwaterusagealongwithlessamountofliquidwasteproduced
• ThesearekeyoutcomeswithsubstanSalposiSveenvironmentalimpactsonoilindustryacSviSesinthestateofNorthDakota
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Thank you!
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Extraslides
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Scale Inhibitor
• DefinedasanychemicalagentthatreducestherateofformaSonofafoulingscaleontoasurfaceofinterest.
• Inhibitorsdonotactontheionsthemselves,insteadtheyabsorbonthesurfaceofinterest(suchasapipe).TheythenblocktheformaSonoflargecrystalsbeforefoulingcanoccur.
• ArebrokendownintoCa,Ba,andSrscaleinhibitors.• InhibitorsbasicallystopthebuildofscalebycoaSngthesurfaceofinterest.
Dissolvement by Chemical Treatment (Chela8ng agents)
• EssenSallytheySeuptheionsinvolvedinformingscale.• MuchmorepreciseanddifficultthanScaleInhibitorTreatment.• ChelaSngagentsdissolvetheionsthatcreatescale.• Mustknowexactwaterchemistryandotherparameterssuchas:
• ScaleDensity• DissoluSonCapacity• Mustcalculatevolumeofchemicalsneeded
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THEBAKKEN
Ø Spans37,000squaremilesinNorthDakotaandMontana.
Ø Morethan7billionbarrelsofrecoverableoilintheBakkenandThreeForksformaSonsintheWillistonBasin.
Ø BakkenoilproducSonisprojectedtoreach1.3millionbarrelsperdayby2019and2.3Mb/dby2040.
• OurGoals:selecSonofmaterials&fieldapplicaSonforproperscaleprevenSon/removal,productselecSoncriteria
• MainscalesinBakken:Calciumcarbonate&ironcarbonate• PrevenSvestrategies:
Ø CompaSbiliSestesSngØ FormaSondamagestudiesØ DynamictubeblockingØ StaScadsorpSontesSng
• IonicspeciesinthefieldbrinewhichexistinequilibriumwithformaSonminerals,whensubjectedtochangingcondiSonsduringproducSon,reachastateofSUPERSATURATIONandsubsequentlydepositsolidsthatcanblockPERFS,coatpipewalls,andimpairproducSvity.
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Inhibitor technology in the Bakken • Combinedtreatments• Scaleinhibitorplacedduringacidfracturing
• Scaleinhibitormixedwithfrackingfluids
• Scaleinhibitorembedintheproppant
Challenges
• TreatmentsFailedinmanywellsintheBakken
Inhibitor technology in the Bakken
Knowledgegap• WhereisthewaterzonelocatedinSghtshale
• HowtoeffecSvelyplacethepills• InhibiSonmechanisminultraSghtformaSon
• WheredoestheinhibitorinjectedtravelinmulS-stagewells
• AdsorpSonandprecipitaSoninultraSghtrock
• Causesoftreatmentfailure
Incompa8bility of sources of frack water
• Systemisatequilibrium
• DifferentcomposiSonoffluids
• CompaSbilityevaluaSonofsourcesoffrackingwaterwithbrine
• InhibitorincompaSbilitywithbrine
• WatercaneitherenhancedorinhibitscaleformaSon
• Thestudywilldeterminewhetherornotsourcesofwaterusedinfrackingisaissue
Procedure
q Water-brinecompaSbilitytest
q Inhibitors-brinecompaSbilitytest
Methodology challenges
EffecSvetreatment• Appropriatechemical• Placementinthewaterproducingzone
• EasytoachieveinconvenSonalChallenges• LocaSonoftheproducSonwaterzoneona2milehorizontalleg
• InjecSonofpillsinultralowpermeablematrix
studies on other plays EffecSvetreatment• ScaleInhibitorschemicalsfordifferentscale
• NucleaSonprocess• Laboratorycolumntransportexperiments
• AdsorpSonanddesorpSoninsandstones• StaScadsorpSontest
§ CompaSbilitytestbetweeninhibitorsand
brine§ FormaSonDamagestudy§ Dynamictubeblockingtest§ Methodologywillbedifferentfor
unconvenSonal
Pilot study in the Bakken
• ChemicalselecSonshouldconsiderthemineralogyoftherockanditsinteracSonwithinhibitors
• EffectofNano-poreonadsorpSon.
• BakkenheterogeneityrequiresdifferentchemicalforeffecSvetreatment
• Importanceofthemethodology• ButplacementtechniquecouldbeappliedeverywhereintheBAKKEN
Pilot study in the Bakken
§ ButplacementtechniquecouldbeappliedeverywhereintheBAKKEN
§ EvaluatemodifiedinhibitornanomaterialinSghtshaleplay
§ StudyAdsorpSonisothermofInhibitorsfortheBakken
§ Elaboratenewmethodologyforinhibitorplacement
§ WaterproducSvezonedetecSon
§ CreaSonofbetermodelforscalesqueezeopSmizaSoninunconvenSonal
§ StudyImpactofpressure,pHandfluidflowonscaleformaSonandinhibitorperformance