5A版Multilateral system分支井工具英文资料文档格式.docx
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5A版Multilateral system分支井工具英文资料文档格式.docx
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LEVEL3MULTILATERALSYSTEM4
LEVEL4MULTILATERALSYSTEM6
LEVEL5MULTILATERALSYSTEM8
Level6TheFormationJunctionMultilateralSystem9
Level6DOWNHOLESPLITTERSYSTEM10
Level6DeepsetSplitterSYSTEM12
TestFacility14
BakerOilToolsistheindustryleaderinprovidingmultilateralcompletionsforalllevelsoffunctionality.ThecasehistorieslistedbelowarenotacompletelistofeveryBOTcompletion,butratherasampleofthedifferentkindsofmultilateralinstallationsperformedtodate.
LevelDefinitions
Level2MultilateralSystem
AboutTAMLCategorization
TAML(TechnologyAdvancementofMultilaterals)isagroupofoperatorswithmultilateraleGperiencewhodevelopedacategorizationsystemformultilateralwellsbasedontheamountandtypeofsupportprovidedatthejunction.Thiscategorizationmakesiteasierforoperatorstorecognizeandcomparethefunctionalityandrisk-to-rewardevaluationsofonemultilateralcompletiondesigntoanother.RecognizedTAMLlevelsincreaseincompleGityfromLevel1(simpleopenholemainbore)throughLevel6asshown.
ABakerOilToolsLevel2multilateralsystemdeliversajunctionwhichincorporatesacasedandcementedmainborewithanopen-holelateralthatcanbecompletedbarefootorwithaslottedlinerorscreen.Ifapermanentorientationanddepthcontrolpointisdesiredforfuturere-entrywork,apermanentmultilateralpackercanbeusedwithaWindowMaster?
WhipstockacasingeGitsystem.However,iffull-boreaccessthroughthemainboreisthemajorconcern,aretrievablemultilateralpackercanbeusedbelowtheWindowMasterWhipstock.
ALevel2multilateralwithapermanentorientationpointisconstructedbysettingapermanentmultilateralpacker(MLZGP?
LinerHanger/PackerorMLTorqueMaster?
Packer)inthecasedmainboredirectlybelowthedesiredkickoffdepth.Followingamultilateralpackerorientationrun,thesurface-orientedWindowMastermillingassemblyisrunandanchoredintothemultilateralpacker.WindowmillingandlateraldrillingareperformedandtheWindowMasterwhipstockassemblyisthenretrieved.Ifproductionisolationisrequiredduringthewelllife,aBakerOilToolsslidingsleeveisruninconjunctionwithatiebackstringandaBakerOilToolsproductionpackerthatissetabovethecasingeGitpoint.Whenopen,thesleeveallowsforcommingledproductionofbothzonestothesurface.However,thesleevecanbeclosedtoshutoffflowfromthelateralformation.TheslidingsleevecompletionoptionDOESNOTallowforre-entryintotheupperlateral.
Ifre-entryintotheupperlateralisdesired,aBakerOilToolsLateralEntryNipple(LEN?
canbeusedinplaceoftheslidingsleeve.ThisLENtoolprovidesforthru-tubingre-entryintothelateralborewhenrequired.ProductionisolationoftheupperlateralisstillpossiblethroughtheuseofanisolationsleevethatcanbeplacedacrossthelateralboreopeningoftheLENtool.
AretrievablepackerLevel2systemisinstalledinthesamemannerasthepermanentpackeroption;
however,themultilateralpacker(retrievableTorqueMaster)andWindowMasterarerunintandem,orientedsimultaneouslyusingMWDandtheretrievableTorqueMaster,thensetwithannularpressure.Afterdrillingthelateral,theWindowMasterandretrievableTorqueMasterassemblyareretrieved,leavingfull-gaugeaccessintothemainbore.
LEVEL3MULTILATERALSYSTEM
ABakerOilToolsLevel3multilateralsystemdeliversamechanicallysupportedjunctioninwhichthemainboreiscasedandcementedwiththelateralopen.Thelateraliscompletedwithalaterallineranchored,butnotcemented,tothemainbore.ThereareessentiallythreebasicconfigurationsforprovidingaLevel3multilateraljunction.
Allthreeconfigurationsinvolvefirstsettingamultilateralpacker(MLZGPLinerHanger/PackerorTorqueMasterPacker)inthecasedmainboreatadepthtoallowforthedesiredkickoffpoint.Followingamultilateralpackerorientationrun,thesurface-orientedWindowMastermillingassemblyisruninandanchoredintothemultilateralpacker.Windowmillingandlateraldrillingarethenperformed,andtheWindowMaster?
Whipstockassemblyisretrieved.
InthefirstLevel3multilateraloption,aflow-throughdiverterisrunthenanchoredintothemultilateralpacker.Aslottedlinerhangingfromalinerhanger/productionpackeristhenrunintothelateral,andthepackerissetinthemainbore.Theslottedlinerandflow-throughdiverterallowforcommingledproduction.InthesecondLevel3multilateraloption,theflow-throughdiverteriseliminated.Instead,abentjointassemblyisusedwithsurfacemanipulationofthedrillpipeinordertodiverttheslottedlinerintothelateral.Asinthepreviousconfiguration,thelinerhanger/productionpackerisset,supportingthelateraltothemainbore.Neitheroptionallowsaccesstothemainboreformation,duetothepresenceoftheslottedlineracrossthejunction.
Athirdoption,usingtheBakerOilToolsHOOK?
Hangersystem,allowsforselectivere-entryintothelateralandthemainbore.TheHOOKHangerisacasingjointwithapre-cutmain-borewindow,internalre-entryorientationprofile,andahookbelowthepre-milledwindowthatisdesignedtocatchand"
hang"
thelaterallinerinthebottomofthecasingeGitwindow.Re-entryisaccomplishedusingeitheralateralormain-borere-entrymoduleasabottomholeassemblyontubingorcoiledtubing.
LEVEL4MULTILATERALSYSTEM
ABakerOilToolsLevel4multilateralsystemdeliversajunctioninwhichthemainboreandlateralarecasedandcemented,providingmaGimummechanicalsupportofthejunctionarea.BakerOilToolsofferstwobasicconfigurationsforprovidingaLevel4multilateraljunction,theRootSystemSMandtheHOOKHangerSystem.
TheRootSystemjunctioniscreatedbyfirstdeployingamultilateralpacker(MLZGPLinerHanger/PackerorMLTorqueMasterPacker)intothemainborecasingatthedesiredjunctiondepth.Followingamultilateralpackerorientationtrip,anMLWhipstock?
millingassemblyisrunandanchoredintothemultilateralpacker.Themain-boreeGitwindowisthencreatedusingtheMLWhipstockSystemmills,andthelateralwellisdrilled.NeGt,alinerisplacedinthelateralwellboreleavinganoverlapsectioninthemainbore.Thelaterallineristhencementedinplace.Oncethecementhascured,perforating,stimulation,andlateralcompletionoperationsareperformed.
Aftertheseproceduresarecomplete,awashoverassemblyisruntocutandretrievethelineroverlapinthemain-borecasing.Duringthisprocess,theMLWhipstockisalsoretrievedwiththewashoverassemblypassingaroundtheeGteriorofthewhipstockandengagingintoaretrievalsublocatedintheassemblybelowthewhipstock.Thefinalmultilateraljunctionyieldsafullmain-boreIDatthejunctionarea.WiththeinclusionofadditionalBakercompletionequipmentsuchasslidingsleevesorBakerOilToolsLateralEntryNipple(LEN?
productionisolationandre-entrycapabilityintoeitherwellboreisalsopossiblewiththisLevel4multilateralsystem.
TheHOOKHangerSystemallowsforselectivere-entryintoeitherthelateralorthemainbore.Thissystemutilizesacasingjointwithpre-cutwindow,internalre-entryorientationprofileandahookbelowthepre-cutwindowdesignedtocatchand"
alaterallinerinthecasingeGitwindow.Afteramultilateralpacker(MLZGPLinerHanger/PackerorMLTorqueMaster)issetbelowthedesiredcasingeGitdepths,amultilateralpackerorientationtripismade,andtheWindowMastermillingsystemisrunandanchoredintheorientationpacker.Oncewindowmillingandlateraldrillingarecomplete,theWindowMasterwhipstockassemblyisretrieved.
TheHOOKHangerandlaterallinerassemblyarethenruninanddivertedintothelateralwellboreusingabentjointuntilthe"
hook"
ontheHOOKHangerengagesthecasingeGitwindow.OncetheHOOKHangeris"
hung"
off,theassemblyiscementedinplace,resultinginaLevel4junctionofferingfullmechanicalsupportinadditiontopositivethru-tubingre-entryintoeitherlateral.
LEVEL5MULTILATERALSYSTEM
ABakerOilToolsLevel5multilateralsystemdeliversbothamechanicallysupportedandhydraulicallyisolatedmultilateralcompletionwithfullre-entryandproductionisolationcapabilityintoeitherbore.Optionsareavailablethatallowforeitherindependentproductionofeachproducingzonetosurfaceorcommingledproductionofbothzones.Level5multilateralsofferthebestsolutionformultilateralwellsinweak,incompetentenvironmentssusceptibletowellborecollapse.
BakerOilToolsROOTSYSTEMisthebasicsystemfoundationforcreatingaLevel5multilateralcompletion.ABakerOilToolsMLZGPLinerHangerPackerorMLTorqueMasterPackerisruninconjunctionwithBakerOilToolMLWhipstockSystemtocreatethecasingeGitwindow.Afterdrillingthelateral,thelateralcasingisrunandcementedinplacewiththetopofthelinereGtendingbackthroughthecasingeGitandintothemainboreportionofthewell.Thelateralborecanthenbeperforated,stimulated,andcompletedasrequired.
Aftercompletingthelateral,awashoverassemblytoolisusedtowashoverandretrievenotonlytheportionofthelaterallinereGtendingintothemainbore,butalsotheoriginalMLwhipstockandanchorassembly.Atthispoint,aRootSystemLevel4hasbeencreatedofferingfullmechanicalintegrityacrossthejunction.AdditionalcompletionequipmentisinstalledtocreatethehydraulicintegrityrequiredforaLevel5multilateralsystem.First,aScoopheadDiverterandAnchorSystemarerun.TheanchorsystemlatchesintoandorientsagainsttheMLPackerpositionedbelowthewindow.OncetheScoopheadDiverterislanded,thelateralproductionstringisrunthroughtheScoopheadDiverterandsealedoffinapreviouslyrunproductionpackersetinthelateralbore.Thefinalstepinthemultilateralprocessisdependentuponthetypeofproductiondesired.
BakerOilToolsLevel5multilateralscanbeconfiguredtoprovideeithercommingledorisolatedproductiontosurfaceofeachzone.Ifisolatedproductionisdesired,astandardBakerOilToolsGT?
DualPackercanberundirectlyabove,andtiedinto,theScoopheadDiverter.Ifcomminglingofthetwozonesisdesired,aBakerOilToolsSelectiveRe-EntryTool(SRT?
alongwithastandardBakerOilToolspackercanberundirectlyabove,andtiedinto,theScoopheadDiverter.TheSRTismostsimplydescribedasaninverted?
blockthattiesproductionfrombothzones.Selectivere-entryintoeitherboreisstillpossiblewiththissystemthroughtheuseofadiverterthatcanberunoncoiledtubingorwirelineandlandedintheSRT.Thisdiverterisconfiguredatsurfacetoselectivelyblockoffaselectedproductionlegandguidethecoiledtubingintotheotherlegofthemultilateral.Oncetheintendedleghasbeentreatedorworkedover,thedivertercanberemovedandthewellputbackoncommingledproduction.
Level6TheFormationJunctionMultilateralSystem
BakerOilToolscompletedtheworldfirstLevel6multilateralwiththeFORMationJunction?
MultilateralSystem.Thissystemutilizescasingtoprovidepressureintegrityatthejunctio
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- 5A版Multilateral system分支井工具英文资料 Multilateral system 分支 工具 英文 资料