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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.