VersaFlex Podcast

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1 VersaFlex ® Liner Hanger System Bringing simplification and reliability to liner hanger installation Slide 1 © 2007 Halliburton. All Rights Reserved. Jason : Hello. I’m Jason your host for Halliburton’s RedTech podcasts, part of the technology learning series featured on wwwdothalliburtondotcomslashredtech. This series of podcasts has been designed to highlight particularly significant products that Halliburton has recently brought to market. These technologies represent innovations that deliver reliability by simplifying complex completions, optimizing hydrocarbon recover or economically optimizing production. Jason : Joining us today is James. He is Halliburton’s global product champion for the VersaFlex expandable liner hanger system. Hi, James! James : Hi, Jason.

Transcript of VersaFlex Podcast

  • 1

    VersaFlexLinerHangerSystem

    Bringingsimplificationandreliabilitytolinerhangerinstallation

    Slide1 2007Halliburton.AllRightsReserved.

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

  • 2

    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?

  • 3

    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.

  • 4

    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?

  • 6

    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.

  • 7

    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.

  • 8

    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.

  • 11

    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.

  • 12

    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.

  • 14

    www.halliburton.com/redtech

    Slide14 2007Halliburton.AllRightsReserved.

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