Download - VersaFlex Podcast

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  • 1

    VersaFlexLinerHangerSystem

    Bringingsimplificationandreliabilitytolinerhangerinstallation

    Slide1 2007Halliburton.AllRightsReserved.

    Jason:Hello.ImJasonyourhostforHalliburtonsRedTechpodcasts,partofthetechnologylearningseriesfeaturedonwwwdothalliburtondotcomslashredtech.ThisseriesofpodcastshasbeendesignedtohighlightparticularlysignificantproductsthatHalliburtonhasrecentlybroughttomarket.Thesetechnologiesrepresentinnovationsthatdeliverreliabilitybysimplifyingcomplexcompletions,optimizinghydrocarbonrecoveroreconomicallyoptimizingproduction.Jason:JoiningustodayisJames.HeisHalliburtonsglobalproductchampionfortheVersaFlexexpandablelinerhangersystem.Hi,James!James:Hi,Jason.

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    LapSqeeze

    ShoeSqueeze

    StuckLiner

    WiperPlug

    RunningTool

    Displacement

    Pkr/Hngr/Cent

    Circulation

    Cement

    CompanyACompanyBCompanyC

    LinerIncidentFactors

    0%10%20%30% 40%50%

    Slide2 2007Halliburton.AllRightsReserved.

    Jason:James,whataresomeofthekeyadvantagesofHalliburtonsVersaFlexexpandablelinerhangersystem?James:Well,letmebackuptothebeginningandthereasonwhywenowhavetheVersaFlexsystemtooffer.Halliburtonrecognizedthereareseveralrootcausesoffailurewithconventionallinerhangersystems.Basedonindustryestimates,2025percentofstandardlinerinstallationsrequiresomeformofremediation orcancausesomeothernonproductivetime.Whetheritslandbasedoroffshore,Operatorsareroutinelyfacedwithwellborestabilityissues.Unfortunately,conventionallinertopsaresusceptibletowelldebris.Sowesetouttoofferasystemdesignedandmanufacturedtohelpachievemorereliableinstallationsbyeliminatingmovablemechanicalparts.Jason:Inotherwords,youaddressedthecomplexitiesofcompletingwellsbyremovingthecomplexitiesofthetool?Howdoesthisincreasereliabilityandwhataboutoperationalexpenses?

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    AdvantagesofExpandableLinerHangers

    ConventionalLinerHangerVersaFlexELH

    Nomovingparts

    Eliminatespresetrisk

    Reductioninleakpaths

    Superiorannularseal

    Simplifieddesign

    Simplifiedprocedures

    Entirelinermayneedtobepulledout

    Ifnotpreconfiguredforrotation,mustpickupadrillassembly

    Rigtimeisincreased

    Wellintegrityisrisked

    Crewhasmoreexposuretohazards

    Vulnerabilitiestoenvironmentalissuesareincreased

    Slide3 2007Halliburton.AllRightsReserved.

    James:First,Illspeaktothereliabilityaspect.LetssayanOperatorisrunningconventionallinerhangersifholeproblemssuchasledges,sloughingandheavingshalebeds,orweakformationsareencountered, theentirelinermayhavetobepulledout.Andifthetoolsarenotpreconfiguredforrotation,therigoperatorwillhavetopickupadrillingassemblytocleanuptheholeandthenrunbackinwiththeliner.Jason:Icanseehowallthoseactivitiescancompromisewellintegrity andincreaserigtimeandcosts.

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    OvercomingToughWellConditions

    Challenge:

    Highlydeviatedwell

    Depletedzonewithpressureoverbalance

    Conventionallinerhangerstuckindepletedzone

    HalliburtonSolution:

    Resilientlinerhangertowithstandrotation,reciprocation,highpumpandcirculationrates

    Result:

    Successfullywashedandreamedin1,600ftof5in.linerona7in.VersaFlexsystem

    SouthAmericanOperator

    Slide4 2007Halliburton.AllRightsReserved.

    James:Letmegiveyouanexamplefromthefield.RecentlyanOperatorinSouthAmericawasrunningacompetitorsconventionallinerhangerequipmentwithcentralizersinahighlydeviatedwell.TheOperatorgotstuckinadepletedzonebecauseofapressureoverbalance.Instartinganotherwell,theOperatorturnedtousfortheVersaFlexsystembecauseithasbeendesignedtowithstandrotation,reciprocation,highpumppressuresandcirculationratesallthingsconventionallinerhangerequipmentsimplycannotwithstand.TherotatingfeatureoftheVersaFlexsystemallowedtheOperatortowashandreamin1,600feetof5inchlinerona7inchVersaFlexsystem.Iwantyoutoknow,they wereverypleased.Jason:Icanonlyimagine.Afterall,theyhadalreadylostawellborewiththeconventionalapproach.ThisillustratessowellthattheVersaFlexsystemdesignwithnomovingparts,slipsorcagesenablesrotatingthelineratsufficientcirculationratestoreducetheriskofthewellbridgingoffandthehangerpresettingasyoupointedout,ahighriskwithconventionallinerhangers.

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    Worklinerhardertothebottom

    Improvedrigefficiency

    Avoidcostlyhangerdamageissues

    Dramaticallyminimizecausesofprematuresetting

    VersaFlexExpandableLinerHangerResilienceforgreaterreliabilitybydesign

    Slide5 2007Halliburton.AllRightsReserved.

    James: ThismeansOperatorscanworkthelinerhardertothebottom,atfullcirculationratewithouttheriskofthewellpackingoffatthehangerareaorpresetting.Attheendoftheday,thestreamlineddesignoftheVersaFlexsystemresultsinimprovedrigefficiencybyhelpingtheOperatoravoidthecostofredundantconditioningtrips.And,ithelpsOperatorsmanagecapitalexpenditurebyavoidinghangerdamageorprematuresetting.Jason: So,becausetherearenomovablecomponents,theVersaFlexsystemcanfunctionwithadrillstringassembly.DoyouhaveanyexamplesofintentionallydrillinginwiththeVersaFlexsystem?

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    GettingThroughDepletedSandZoneChallenge: Conventionaldrillstringlosttoa

    depletedsandzone

    Drillingbottomholeassemblyabandoned

    Sidetrackrequiredtosavethewell

    HalliburtonSolution: Drillinforthesidetrackwiththe

    VersaFlexsystem

    Placethelinershoeasdeeplyaspossible

    Stabilizethedepletedzone

    Result:137ftofnewholedrilled

    Linershoeplacedat15,124ft

    VersaFlexsystemset/testedto3,100psi

    Wellbroughtonlinewith45daysofdrillinginwithVersaFlexsystem

    IndependentOperatorOffshore

    Slide6 2007Halliburton.AllRightsReserved.

    James:Asamatteroffact,Ido.AnindependentOperatorworkingfromaninlandbargeinsouthernLouisianalostaconventionaldrillstringtoadepletedsandzone.TheOperatorhadtoabandonthestuckdrillingassembly,retrivethesalvageableportionofthedrillstringandsidetrackthewelltobypasstheinaccessibleportionofthewellbore.Jason: Depletedzonesareriskyenough,butdontsidetracksrepresentanevengreaterriskoflosingthewellborealtogether?James:Yes,thatsright.Sidetracksespeciallythroughdepletedsandzonesareparticularlychallenging.Butifyouaresuccessful,youvejustsavedawellbore.Atthetimeweworkedtheplanforthissidetrack,itwasonlythethirdtimewewentintotheholewiththeintentionofdrillinginwiththeVersaFlexsystem.ButboththeOperatorandourfieldengineerknewthatevenifwedidnotgetallthewaythroughthedepletedzone,placingthelinershoeasdeeplyaspossiblewhileusingtheVersaFlexexpandablelinerhangerwouldprovidethestabilityneededtoenablerunninginwithadrillstringandtocontinuedrillingoutthewell.Jason: YouconvincedtheOperator,andplannedtogetdownasfarasyoucould.Howdidthisturnout?James: TheVersaFlexELHsystemdrilled137ftofnewholeandsuccessfullypassedthroughtheentiredepletedzone,makingittoanacceptablesettingdepth.Asaresult,thelinershoewasplacedat15,124ftandcementedsuccessfully.TheVersaFlexhangerwassetat13,866ftandtestedto3,100psi.Notonlydidwesaveseveraldaysofrigtime,butwhatisreallysignificantisthatwesuccessfullyreachedtheplanneddepth.TheOperatormovedintothecompletionphaseandwasabletoproducefromthiswellwithin45daysofoursuccessfullyhelpingthemsidetracktheportionwiththeabandonedconventionaldrillstring.

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    500Installations

    LongestLiner

    9,967ft

    MudWeightRange

    4.2ppg19.8ppg

    TemperatureRange

    100386F

    ShortestLiner

    157ft

    InstallationHistory/20022007

    PreviousDeepestInstallation:24,235ft

    NewRecordSetOctober2007

    26,537ft

    Slide7 2007Halliburton.AllRightsReserved.

    Jason: Iwanttogiveourlistenersalittleperspective.Halliburtonbroughtthistechnologytomarketin2002andinthatfirstyear,wecompletedonlyafewjobs.SincethenwehavemorethandoubledyearoveryearthenumberofjobsthatrunningtheVersaFlexsystemandexpecttoreachacumulativetotalofatleast500jobsbytheendofthisyear.(fadeoutmusic)James,isthisrapidadoptionduetothesimplicityofthedesign nomovingpartsandtheresilienceofthetool?James: Well,ithasnttakenlongfortheindustrytocatchontothisalternativetoconventionallinerhangers.Andthemorewerunit,themoreweproveit.Provenreliabilitygoesalongwayinthisindustry.Ourdeepestinstallationwasovertwentyfourthousandfeet,ourlongestlinerwasnearlytenthousandfeet,shortestwasonehundredfiftysevenfeetandtheVersaFlexsystemhasbeenplaced temperaturesupto386degreesFahrenheit.

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    VersaFlexELHSuperiorAnnularSeal

    Bidirectionalbondedseals

    Linerlappressureintegrity

    Independentofmechanicalholddowns

    Noslips

    Bondedelastomer

    Holdsuptorigorouscirculation

    Multipleinstallationsworldwidewithoutasealfailure

    Slide8 2007Halliburton.AllRightsReserved.

    Jason: Oneofthethingswehaventtalkedabout,James,isthesuperiorannularsealthatcanbeachievedwiththeVersaFlexexpandablelinerhanger.Afterall,thistechnologyenablesalinertopintegritytestimmediatelyuponsetting.James: Goodpoint.TheVersaFlexsystemhasmultipleredundantelastomericelementstomaintainpressureintegrity.Thisalsoeliminatesgasmigrationpathsinthelinertop.Plus,theabsenceofslipsprovidesconsistentstressdistributionintothesupportcasingandeliminatespotentialsitesforcorrosion.

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    DeliveringZonalIsolationChallenge: Drillinglinerrequiredtoisolatelow

    pressure,lostcirculationzonefromahighpressurekickzoneatthebottomoftheinterval

    Twodayslosttofailureofaconventionallinerhanger

    HalliburtonSolution: VersaFlexexpandablelinerhanger

    broughtintoreplacefailedliner

    Result:Totaldepthof4,870metersreached

    320bottomholetemperatureSealintegritydemonstrated

    100,000poundlineroverpulltest

    1,000psilinerlaptest

    MiddleEastMajorOperator

    Slide9 2007Halliburton.AllRightsReserved.

    Jason:IreadaboutafieldexampleofthisfromEgypt.Couldyoutellussomethingaboutthatrun?James:Well,onceagain,thisstorystartswithafailureof aconventionallinerhangerwithabuiltinpacker.ThisfailureresultedinmorethantwodaysofnonproductivetimeforamajorOperator.Thesettingofthedrillinglinerwasrequiredtoisolatelowpressurelostcirculationzonesfromthehighpressuredkickzone,orsaltwater,atthebottomoftheinterval.TheVersaFlexsystemwasbroughtinasreplacement,andnotonlydiditreachtotaldepthof15,978feetina320Fahrenheitbottomholetemperature,itdemonstratedintegrityinthesealandlinerlapwitha100,000poundlineroverpulltestanda1,000psilinerlaptest.ytheway,thisalsorepresentedanewrecordforus:thedeepestsettingdepthintheMediterraneanSeaof15,978feetor4,870metersfora75/8inchdrillingliner.

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    VersaFlexExpandableLinerHangerExpandabletubularsinvolvespermanentlydeforming

    thepipethroughthecoldworkingprocess.

    Slide10 2007Halliburton.AllRightsReserved.

    Jason: Tellusalittlebitmoreaboutthetechnologywithinthistechnology,James.James: AttheveryheartoftheVersaFlexsystemisanintegratedlinertoppackerandmultipleredundantelastomerelements.Thelinerhangerpluspackerismadeupofanintegraltiebackreceptacleaboveorbelowanexpandablesolidhangerbody aboveorbelowdependingonsystemsize.Elastomericelementsarebondedontothehangerbody.Asthehangerbodyisexpanded,theelastomericelementsarecompressedintheannularspace.

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    CurrentSizes

    4505in. 7in. (20,23,26,29,32,35lb/ft)51/2in. 7in. (20,23,26&29lb/ft)51/2in 75/8in. (29.7,33.7&39lb/ft)7in,75/8in. 95/8in. (36,40,43.5,47,53.5lb/ft)95/8in. 113/4in. (60,65lb/ft)95/8in. 117/8in. (71.8lb/ft)113/4in. 133/8in. (61,68,72lb/ft)117/8in. 135/8in. (88.2lb/ft)

    Contactyourrepresentativeforsizesorweightrangesnotseenhere.

    LinerHangerBody/WtRanges

    VersaFlexELH

    Slide11 2007Halliburton.AllRightsReserved.

    James: Wehaveavailablesizesrangingfrom5inchesby7inchesupto117/8inchesby135/8inches.WealsohaverecentlyintroducedaVersaFlexStimulationAcidWashdown(SAW)systemforuseinhighlydeviatedorhorizontalwells.

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    Challenge: Multizonecompletionrequiringzonal

    isolation Longuppersectionsusceptibletowater

    production Threeindividualproductionzonesbelow

    HalliburtonSolution: VersaFlexexpandablelinerhanger

    system Swellpackerisolationsystem

    Result:Completeannulussealwithgastightsealat7,069ft.

    ProductionzonesindividuallyisolatedUpperwatersandsisolatedSevenmorewellscompletedinthisfieldwiththisdesign

    EasternHemisphereOperatorMultizoneCompletion

    Slide12 2007Halliburton.AllRightsReserved.

    Jason: Canyouleaveuswithonemoreexample,anexampleofhowtheVersaFlexsystemsimplifiesthecomplexcompletions?James: Sure,thisoneinvolvesamultizonecompletionintheeasternhemisphere.Thiswellhadalongupperwatersandssectionsusceptibletowaterproductionandthreeindividualproductionzonesbelowthat.Forthisproject,werantheVersaFlexexpandablelinerhangerandourownSwellpackerisolationtechnology.Jason: Wasntthisjobthefirsttimewehadeverrunthesetwotechnologiestogether?James:Yes.Andbycombiningthesetwotechnologiesweplannedfornocementingorperforatingthroughtheproductioninterval,whilestillprovidingzonalisolationthroughouttheannulus.Thisdesignprovidedtheisolationofindividualproductionzones,potentialcrossflowzonesupholeandacompetentsealatthelinertop.Jason:Thisisacomplexcompletion.IfIrecallcorrectly,alotofoperatorsinthatregionwerewatchingthisinitialinstallationtogaugethefullpotentialoftheconcept.Itwentwell.Whatotherdetailsdoyouhave?James: Theproductionlinerconsistedof6,425feetof7inchlinerandwasruntoatotaldepthof13,829feet.TheinstallationutilizedSwellpackersystemstoisolatethreeindividualproductionzonesandalsotheupperwatersands.AslottedlinerwasrunbetweentheSwellpackersystemstoallowproduction.TheVersaFlexlinerhangercompletedthesealingoftheannulusbyprovidingagastightsealat7,069feet.Thewellhadamaximumholeangleof55degreesattotaldepth.Thisisthefirstofasevenwellprojectutilizingthiscompletionconceptforthisparticularoperator.

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    VersaFlexExpandableLinerHanger

    Improvescementingresults Rotateandreciprocateduringjob

    ReducesNPTSignificantlyimpactsdrillingcurveEliminatesgasmigrationabovethelinertop

    Reducescostthroughprocessefficiencies

    GetstoTD Washandream Drillin

    Helpseliminatelinertroublejobs

    Slide13 2007Halliburton.AllRightsReserved.

    Jason:James,thankyouforjoiningustoday.IsthereanythingelseyouwouldlikeforustoknowabouttheVersaFlex expandablelinerhangersystem?James: Well,HalliburtonsVersaFlexexpandablelinerhangersystemshavedemonstratedthattheyprovidemultipleadvantagesoverconventionallinerhangersespeciallyinproblemwellsituations.TheVersaFlexsystemallowsforhangingthelinerandsettingtheelementinonestep,eliminatingapotentialcementsqueezejoboranadditionaltripforalinertoppacker.WhendrillinginwiththeVersaFlexsystem,formationexposuretimeisminimizedandlossesarereduced.And,itallowsrotationthroughdepletedsands.WhenyouusetheVersaFlexsystemaspartofthedrillstring,iteliminatestherequirementforamudmotorandallowsthelinertobedrilledinatlowerflowrates.Inshort,thesimpledesignoftheVersaFlexsystemincreasesreliabilityandreducesnonproductivetimeaswellasrigtime.

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    www.halliburton.com/redtech

    Slide14 2007Halliburton.AllRightsReserved.

    Jason:Toourlisteners,thankyouforjoiningustoday.AsIsaidatthebeginning,wehaveotherpodcastsonourwebsite,andmoreunderdevelopment.Pleasecheckbackatwwwdothalliburtondotcomslashreliability orforadditionallearningmaterials,checkonourRedTechLearningSeriesatwwwdothalliburtondotcomslashredtech.