Multilateralsystem分支井工具英文资料

1、7A 版优质实用文档 Multilateralsystem Content Level Definitions 2 Level 2 Multilateral System 3 LEVEL 3 MULTILATERAL SYSTEM 4 LEVEL 4 MULTILATERAL SYSTEM 6 LEVEL 5 MULTILATERAL SYSTEM 8 Level 6 The Formation Junction Multilateral System 9 Level 6 DOWNHOLE SPLITTER SYSTEM 1.0. Level 6 Deepset Splitter SYSTEM

2、 1.2. . Test Facility 1.4 aderin providingmultilateralcompletionsfora owarenotacompletelistof BakerOilToolsistheindustryle ryBO e te. n ompletion,butrath lllevelsoffunctionality.Thecas 7A 版优质实用文档 allationsperformedt erasa ifferentkindsofmultilaterali Level2MultilateralSystem AboutTAMLCategorization

3、TAML (TechnologyAdvancementofMultilat erals)isagroupofoperatorswithmultilateral eGperiencewhodevelopedacategorization systemformultilateralwellsbasedontheam ountandtypeofsupportprovidedatthejunct ion.Thiscategorizationmakesiteasierforop eratorstorecognizeandcomparethefunctio nalityandrisk-to-rewarde

4、valuationsofone multilateralcompletiondesigntoanother.R ecognizedTAMLlevelsincreaseincompleGit yfromLevel1(simpleopenholemainbore)th roughLevel6asshown. LevelDefinitions ABakerOilToolsLevel2multilateralsystemdeliversajunctionwhichincorpor atesacasedandcementedmainborewithanopen-holelateralthatcanbec

5、om pletedbarefootorwithaslottedlinerorscreen.Ifapermanentorientationand depthcontrolpointisdesiredforfuturere-entrywork,apermanentmultilater alpackercanbeusedwithaWindowMaster?WhipstockacasingeGitsystem.H 7A 版优质实用文档 7A 版优质实用文档 owever,iffull-boreaccessthroughthemainboreisthemajorconcern,aretriev able

6、multilateralpackercanbeusedbelowtheWindowMasterWhipstock. ALevel2multilateralwithapermanentorientationpointisconstructedbysetti ngapermanentmultilateralpacker(MLZGP?LinerHanger/PackerorMLTorq ueMaster?Packer)inthecasedmainboredirectlybelowthedesiredkickoffde pth.Followingamultilateralpackerorientati

7、onrun,thesurface-orientedWin dowMastermillingassemblyisrunandanchoredintothemultilateralpacker. WindowmillingandlateraldrillingareperformedandtheWindowMasterwhi pstockassemblyisthenretrieved.Ifproductionisolationisrequiredduringthe welllife,aBakerOilToolsslidingsleeveisruninconjunctionwithatiebackst

8、ring andaBakerOilToolsproductionpackerthatissetabovethecasingeGitpoint. Whenopen,thesleeveallowsforcommingledproductionofbothzonestothe surface.However,thesleevecanbeclosedtoshutoffflowfromthelateralform ation.TheslidingsleevecompletionoptionDOESNOTallowforre-entryintot heupperlateral. Ifre-entryint

9、otheupperlateralisdesired,aBakerOilToolsLateralEntryNipple( LEN?canbeusedinplaceoftheslidingsleeve.ThisLENtoolprovidesforthru-tu bingre-entryintothelateralborewhenrequired.Productionisolationoftheu pperlateralisstillpossiblethroughtheuseofanisolationsleevethatcanbeplac edacrossthelateralboreopeningo

10、ftheLENtool. AretrievablepackerLevel2systemisinstalledinthesamemannerastheperma nentpackeroption;however,themultilateralpacker(retrievableTorqueMast er)andWindowMasterarerunintandem,orientedsimultaneouslyusingMW 7A 版优质实用文档 7A 版优质实用文档 DandtheretrievableTorqueMaster,thensetwithannularpressure.Afterdri

11、lli ngthelateral,theWindowMasterandretrievableTorqueMasterassemblyare retrieved,leavingfull-gaugeaccessintothemainbore. LEVEL3MULTILATERALSYSTEM LevelDefinitions ABakerOilToolsLevel3multilateralsystemdeliversamechanicallysupported junctioninwhichthemainboreiscasedandcementedwiththelateralopen.Th ela

12、teraliscompletedwithalaterallineranchored,butnotcemented,tothemai nbore.ThereareessentiallythreebasicconfigurationsforprovidingaLevel3m ultilateraljunction. Allthreeconfigurationsinvolvefirstsettingamultilateralpacker(MLZGPLiner Hanger/PackerorTorqueMasterPacker)inthecasedmainboreatadepthtoall owfor

13、thedesiredkickoffpoint.Followingamultilateralpackerorientationrun ,thesurface-orientedWindowMastermillingassemblyisruninandanchoredi ntothemultilateralpacker.Windowmillingandlateraldrillingarethenperfor med,andtheWindowMaster?Whipstockassemblyisretrieved. InthefirstLevel3multilateraloption,aflow-thr

14、oughdiverterisrunthenanchor edintothemultilateralpacker.Aslottedlinerhangingfromalinerhanger/pro ductionpackeristhenrunintothelateral,andthepackerissetinthemainbore.T heslottedlinerandflow-throughdiverterallowforcommingledproduction.I nthesecondLevel3multilateraloption,theflow-throughdiverteriselimi

15、nate d.Instead,abentjointassemblyisusedwithsurfacemanipulationofthedrillpi 7A 版优质实用文档 7A 版优质实用文档 peinordertodiverttheslottedlinerintothelateral.Asinthepreviousconfigura tion,thelinerhanger/productionpackerisset,supportingthelateraltothemai nbore.Neitheroptionallowsaccesstothemainboreformation,duetot

16、hepres enceoftheslottedlineracrossthejunction. gtheBakerOilToolsHOOK?Hangersystem,allowsforselec Athirdoption,usin tivere-entryintothelateralandthemainbore.The ntwithapre-cutmain-borewindow,internalre-ent KHangerisacasingjoi tationprofile,anda ignedtocatchandhangthelat hookbelowthepre-milledwindowth

17、atisde erallinerinthebottomofthecasingeGitwindow.Re-entryisaccomplishedusi ngeitheralateralormain-borere-entrymoduleasabottomholeassemblyont ubingorcoiledtubing. LEVEL4MULTILATERALSYSTEM LevelDefinitions ABakerOilToolsLevel4multilateralsystemdeliversajunctioninwhichthemai nboreandlateralarecasedandc

18、emented,providingmaGimummechanicals upportofthejunctionarea.BakerOilToolsofferstwobasicconfigurationsforp rovidingaLevel4multilateraljunction,theRootSystemSMandtheHOOKHan gerSystem. TheRootSystemjunctioniscreatedbyfirstdeployingamultilateralpacker(ML ZGPLinerHanger/PackerorMLTorqueMasterPacker)intot

19、hemainborecasi 7A 版优质实用文档 7A 版优质实用文档 ngatthedesiredjunctiondepth.Followingamultilateralpackerorientationtri p,anMLWhipstock?millingassemblyisrunandanchoredintothemultilateral packer.Themain-boreeGitwindowisthencreatedusingtheMLWhipstockSy stemmills,andthelateralwellisdrilled.NeGt,alinerisplacedinthe

20、lateralwellb oreleavinganoverlapsectioninthemainbore.Thelaterallineristhencemente dinplace.Oncethecementhascured,perforating,stimulation,andlateralcom pletionoperationsareperformed. Aftertheseproceduresarecomplete,awashoverassemblyisruntocutandretr ievethelineroverlapinthemain-borecasing.Duringthisp

21、rocess,theMLWhip stockisalsoretrievedwiththewashoverassemblypassingaroundtheeGterior ofthewhipstockandengagingintoaretrievalsublocatedintheassemblybelo wthewhipstock.Thefinalmultilateraljunctionyieldsafullmain-boreIDatthej unctionarea.WiththeinclusionofadditionalBakercompletionequipmentsu chasslidin

22、gsleevesorBakerOilToolsLateralEntryNipple(LEN?,productionis olationandre-entrycapabilityintoeitherwellboreisalsopossiblewiththisLev el4multilateralsystem. TheHOOKHangerSystemallowsforselectivere-entryintoeitherthelateralor themainbore.Thissystemutilizesacasingjointwithpre-cutwindow,internalr e-entry

23、orientationprofileandahookbelowthepre-cutwindowdesignedtoc atchandhangalaterallinerinthecasingeGitwindow.Afteramultilateralpac ker(MLZGPLinerHanger/PackerorMLTorqueMaster)issetbelowthedesired casingeGitdepths,amultilateralpackerorientationtripismade,andtheWind owMastermillingsystemisrunandanchoredin

24、theorientationpacker.Oncew 7A 版优质实用文档 档 assemblyisretrieved. ntheHOOKHangerengag WindowMasterwhipstock indowmillingandlateraldrillingarecomplete,t TheHOOKHangerandlaterallinerassembly elateralwellboreusingabentjointuntiltheho esthecasingeGitwindow.OncetheHOOKHangerishungoff,theassemblyis cementedinp

25、lace,resultinginaLevel4junctionofferingfullmechanicalsupp ortinadditiontopositivethru-tubingre-entryintoeitherlateral. thenruninanddivertedintoth LEVEL5MULTILATERALSYSTEM LevelDefinitions ABakerOilToolsLevel5multilateralsystemdeliversbothamechanicallysupp ortedandhydraulicallyisolatedmultilateralcom

26、pletionwithfullre-entryand productionisolationcapabilityintoeitherbore.Optionsareavailablethatallo wforeitherindependentproductionofeachproducingzonetosurfaceorcom mingledproductionofbothzones.Level5multilateralsofferthebestsolutionf ormultilateralwellsinweak,incompetentenvironmentssusceptibletowell

27、bo recollapse. BakerOilToolsROOTSYSTEMisthebasicsystemfoundationforcreatingaLev el5multilateralcompletion.ABakerOilToolsMLZGPLinerHangerPackerorM LTorqueMasterPackerisruninconjunctionwithBakerOilToolMLWhipstockS ystemtocreatethecasingeGitwindow.Afterdrillingthelateral,thelateralcasi 7A 版优质实用文档 7A 版优

28、质实用文档 ngisrunandcementedinplacewiththetopofthelinereGtendingbackthroug hthecasingeGitandintothemainboreportionofthewell.Thelateralborecant henbeperforated,stimulated,andcompletedasrequired. Aftercompletingthelateral,awashoverassemblytoolisusedtowashoverand retrievenotonlytheportionofthelaterallinere

29、Gtendingintothemainbore,bu talsotheoriginalMLwhipstockandanchorassembly.Atthispoint,aRootSyste mLevel4hasbeencreatedofferingfullmechanicalintegrityacrossthejunctio n.Additionalcompletionequipmentisinstalledtocreatethehydraulicintegrit yrequiredforaLevel5multilateralsystem.First,aScoopheadDiverterand

30、Anc horSystemarerun.TheanchorsystemlatchesintoandorientsagainsttheMLP ackerpositionedbelowthewindow.OncetheScoopheadDiverterislanded,th elateralproductionstringisrunthroughtheScoopheadDiverterandsealedof finapreviouslyrunproductionpackersetinthelateralbore.Thefinalstepinthe multilateralprocessisdepe

31、ndentuponthetypeofproductiondesired. BakerOilToolsLevel5multilateralscanbeconfiguredtoprovideeithercommi ngledorisolatedproductiontosurfaceofeachzone.Ifisolatedproductionisd esired,astandardBakerOilToolsGT?DualPackercanberundirectlyabove,an dtiedinto,theScoopheadDiverter.Ifcomminglingofthetwozonesis

32、desired, aBakerOilToolsSelectiveRe-EntryTool(SRT?alongwithastandardBakerOilT oolspackercanberundirectlyabove,andtiedinto,theScoopheadDiverter.Th eSRTismostsimplydescribedasaninverted?blockthattiesproductionfromb othzones.Selectivere-entryintoeitherboreisstillpossiblewiththissystemthr oughtheuseofadi

33、verterthatcanberunoncoiledtubingorwirelineandlanded 7A 版优质实用文档 7A 版优质实用 urfacet intheSRT.Thisdiverterisconfiguredat ctivelyblockoffaselecte dproductionlegandguidethecoiledtubingintotheotherlegofthemultilater eentreatedorworkedover,thedivertercanbere movedandthewellputbackoncommingledproduction. al.O

34、ncetheintendedleghasb and Level6TheFormationJunctionMultilateralSystem LevelDefinitions BakerOilToolscompletedtheworldfirstLevel6multilateralwiththeFORMati onJunction?MultilateralSystem.Thissystemutilizescasingtoprovidepressu reintegrityatthejunctionarea.ThisdiffersfromtheLevel5multilateralsystem st

35、hatrelyuponadditionaldownholecompletionequipmenttocreatethehydr aulicintegrityofthejunction.TheFORMationJunctionsystemusesformedme taltechnologytocreateamultilateraljunctionthat,duringinstallation,hasane ffectiveoutsidediameterlessthanthesumofthejunctiontwolateralcasingleg diameters.Thesystemisrunin

36、apre-formedmodeaspartofastandardcasingo rlinerstringwhichcanbeeitherruntosurfaceorhungoffwithalinerhanger.Th eopenholeareaatthejunctionlandingdepthisunderreamedpriortorunning thejunctiontoprovidetheroomneededtore-formthejunction.Onceinthisun derreamedsection,thenon-circularlegisre-formedusingswaging

37、technolo gy.Conventionaldrillingandcompletiontechniquesarethenusedtofinishco nstructionandcompletionofthewellbore.AftercreatingtheLevel6multilater 7A 版优质实用文档 7A 版优质实用文档 al,zonalisolationandre-entrycapabilityintoeitherwellborearepossiblethro ughtheuseofadditionaldownholecompletiontools. TheLevel6FORM

38、ationJunctionMultilateralSystemoffersseveraladvantage sovertoothermultilateralsystems.Amongthemostsignificantaretheelimina tionofmillinganddebriscreation,thecontinuedlinerIDaccessintobothbores theincreasedwellcontrolcapabilityduetothecasingseal,theabilitytoinstall heF MationJunctioninaTop-Downconfig

39、uration,andfinally,theability ofthesystemtouseconventionalcasingrunningandcementingtechniques. heresultingcompletionoffersmaGimumfleGibilitywithminimalriskandcom pleGi ty.Currentlyavailableina9-5/8(244.47mm)topconnectionwithtwo7 (177.8mm)legs,themaj orcomponentsoftheFORMationJunctionMultilate nthere

40、-formingprocess;drillingdivertersforfuturere-entrywork,andrunnin gtools.Allothercementing,drilling,andcompletiontoolsarestandard,non- multilateralspecificequipment. Level6DOWNHOLESPLITTERSYSTEM LevelDefinitions BakerOilToolsDownholeSplitter?isauniquesystemandprocessthatallowst wodistinctwellstobedri

41、lled,cased,andcompletedfromasinglesurfacecond uctor.Whencompleted,eachwellcanbeproduced,serviced,andworkedover 7A 版优质实用文档 10 7A 版优质实用文档 independentlyoftheother.TheDownholeSplitterisregardedasaTAMLLevel 6multilateral,whichBakerOilToolshasdesignatedasaLevel6S. InclusionoftheDownholeSplittersystemcanha

42、veasignificantimpactonthep lanninganddevelopmentofano ffshoreplatformorsubseawell.TheDownhol eSplittercanreducethe zeofth latformbeingplanned,resultinginaconsid erablesavingsinthecost elopingthereserve.Thesystemcanalsobeben inglocationfootprintinenvironmentallysensitive landlocations. lhead.Aspecial

43、orienting- dtothefirstleg,whichcon eficialindramaticallyre TheDownholeSplitteri n s eholeonsurfacecasingandhungoffinthewel tai ealassemblyisrunintotheSplitteranddirecte tandardfloatequipment.TheSplitterandcasi ngarecementedinplac ndhungoffinSplitterleg .The rstlegisdrilledtoTD,logged,andthelinerisru

44、na tothesecondleg,andtheprocessisrepeated. tion,thewellscanbetiedbackwithconventi onaltypetiebacklinersandcompletedastwomonoboretypecompletions,or commingledifdesired.Fullmechanicalandhighpressurehydraulicisolationa reachievedatthejunction. Thesealassemblyisre- orien te Dependingonsize/legconfig Lev

45、el6DeepsetSplitterSYSTEM LevelDefinitions 7A 版优质实用文档 11 7A 版优质实用文档 BakerOilToolsDownholeSplitter?isauniquesystemandprocessthatallowst wodistinctwellstobedrilled,cased,andcompletedfromasinglesurfacecond uctor.Whencompleted,eachwellcanbeproduced,serviced,andworkedover independentlyoftheother.TheDownho

46、leSplitterisregardedasaTAMLLevel 6multilateral,whichBakerOilToolshasdesignatedasaLevel6S. InclusionoftheDownholeSplittersystemcanhaveasignificantimpactonthep lanninganddevelopmentofanoffshoreplatformorsubseawell.TheDownhol eSplittercanreducet hesizeoft eplatformbeingplanned,resultinginaconsid erablesavingsinthec stofdev lopingthereserve.The