VARCO简明手册英文Word格式文档下载.docx
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VARCO简明手册英文Word格式文档下载.docx
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thisisoffenceunallowablynotice.Anyignorewillleadtodamageofequipmentoreveninjuryofrigpersonnel.
ThecopyrightbelongstoTopDriveDepartment,GreatWallDrillingCo.,Ltd.anycompanyorindividualcannotpirateorcopythisdocumentwithoutanypermissionorauthorization.
Content三
1.RequirementforTopDriveInstallation…………….........1
2.Specification…………………………..………….........2
3.NotesforInstallation………………………………………3
4.Operations
Drilling…………………….………………………..…….4
Make-up/Break-out……………………………………….9
Tripping………………………..………………………….9
5.SpecialOperations
FreestuckPipe…………………….……………………..11
RunninginCasing………………………………….…..13
CementingOperations…………..………………………13
SlipandCutOperations……………………..……..…….13
6.StrictProhibition…………………………………………15
RequirementsforTopDriveInstallation
1.RIGPOWER:
600VAC±
5%,50/60HZ
Rigshouldbeequippedwithtri-phaseACpower:
Voltage:
5%,frequency:
50HZ/60HZ.
2.InstallanCircuitBreaker(1000A)thatsolelyprovidespowertotopdriveinrigpowerhouse.
3.MountTDSguiderail’shanger(VARCOprovidesordrillrigcontains)ontheDerrickTerminationPlate.Crownpadeyeis30infromwellcenter.
4.Mountthederrickterminationfortheservicelooponthesideofmudstandpipe(theheightis83ftor26.6mfromthedrillingfloor)
5.Theheightofmudstandpipeis73ftor22.5m,completedbydrillingcrew.
6.Theheightofthederrick(fromdrillingfloortocrownlowersurface)is142ft(or43.3m)atleast.
Specification
1.Weight27000lb
2.Power(400hp×
2)588kw
3.Dimension1550mm×
1420mm×
5480mm
4.Maxdrillingtorque37500ft.lb
5.MaxOutputtorque55000ft.lb
6.Maxrotatingspeed228rpm
7.Hoistingcapacity500t
8.braketorque35000ft.lb
9.pipehandlerloading75000ft.lb
10.Drillingpipesize3-1/2"
to6-5/8"
in
11.gearratio10.5:
1
VARCOTDS-11SisdrivenbytwoACmotor,smallerandlighterthanDCone,alsoeasierandcheapertomaintain.Highexplosionproofingissuitableforgaswell.
Maximumcontinuoustorque37,500ft-lbcannotbereachedwhentopdriveisrunningat228rpmwhilethecontinuoustorqueis14,500ft.lb.Whenthespeedishigherthan114rpm,TDSwillregulatethespeedbyconstantpower;
iflower,TDSwillregulatethespeedbyconstanttorque.
Notesforinstallation
1.Accordingtotheweightofthesuspendedequipment,choosesuitableliftingropes,chains,slingsorshackles.
2.AdjustverticalperpendicularitywhenTDSatupsideofderrick,whenunderside,adjusttheT-barlinktopadeyeappropriately,inordertoalignthestemofTDStowellcenter;
ensuretheTDSinalignmentwithwellcenterduringthefullmovementoftopdrive.
3.Groundrodshouldcontactunderwaterfullyorthelengthundergroundoftherodismorethan1.5mandtheresistancemustbenomorethan4Ω.
4.Whenhoistingcable,usespecialguaranteedliftingtools(softropeslingsorstrop),andmakesurethattheminimumbendradiusisnolessthan36in.
5.Liftcableslowlyandstablytoavoidfractureorscratch.
6.Driller’spanelmustbelocatedatsuitableplacetoensurethatallgaugesarevisible.
Operation
Ⅰdrilling
1Drillingwithstand/single
A.Setdrillingtorque
(1)UsingtheForward/Off/Reverseswitch,select“Forward”.
(2)UsingBrakeswitch,select“ON”.
(3)UsingDrill/Spin/Torque,select“Drill”;
Turnthrottleslightly;
TurnDrillTorqueswitchslowlyuntiltheTorquemeterindicatesthatdeliveredtorquehasincreasedtothedesiredvalue.
(4)Turnthrottleto“Zero”.
(5)UsingBrakeswitch,select“Off”.
B.Drillingwithstand
(1)Drillstandtodrillfloor.
(2)Circlewellbottomasrequested.
(3)Turnthrottleto“zero”;
stoprotatingthedrillpipe.
(4)Hoisttopdriveinasmallincrement;
setslipsholdpipe.
(5)Selectforward/off/reverseandswitchto“Reverse”.
(6)Stopmudpump
(7)SelectIBOP“on”tocloseIBOP
(8)Pressgrabberbuttontoholdpipejoint.
(9)Usingmodeswitch,select“Torque”.Afterbreak-out,themodeswitchwillturnbackto“spin”andbreak-outautomatically,thenreleasegrabblebutton.
(10)Usingstandupswitch,select“On”(onlywhenithasthisfunction);
hoistblockinsmallincrementuntiltopdrivesaversubcompletelyunscrewed.
(11)Usingmodeswitch,select“Drill”;
Usingstandupswitch,select“off”.
(12)Hoistblocktomonkeyboard,usetiltfunctionwithderrickmantomakeelevatorcapturethetooljointofastand.
(13)Hoistthetopdriveuntilthebottompinofthestand(single)isclearofthestump.Press“float”tomakethestandinmidposition.
(14)Lowerthetopdriveinsmallincrementandstabthedrillpipeconnection.
(15)Setback-uptongtotheboxconnectionofthestump,tightenthedrillpipe.
(16)Usingforward/off/reverseswitch,select“Forward”.
(17)Usingmodeswitch,select“Spin”,commencespinning.
(18)Lowerthetopdriveandcontrolthespeeduntilfinishspinning.
(19)Lowerblockinsmallincrementtomakesurethatthedrillpipeisnottight.Selectmodeswitchto“torque”,settodesiredtorquevalue.
(20)Aftertighteningtheconnections,selectmodeswitchto“drill”
(21)Removeback-uptong
(22)TurnIBOPto“off”
(23)Startmudpumptocircle
(24)Hoistblockandremoveslips.
(25)Commencedrilling.
C.Drillingwithsingle
(2)Breakouttheconnectionbetweensaversubanddrillpipe.(justoperatesameas“drillwithstand”2—11)
(3)Hoistblockinsmallincrement,usetiltfunctiontomaketheelevatorcapturethetooljointofsingle.
(4)Hoistblockandhoistsingleoutoftherathole.Selectelevator“float”tosetthesingletoneutral.
(5)Lowerblock,setsinglebottomtothedrillpipeboxconnection.
(6)Usingbackuptongtoclampthedrillpipe
(7)Using“SPIN”functiontoswivel
(8)Using“torque”toreachthedesiredtorque.
(9)Usingmodeswitch,select“Drill”,removebackuptongandhoistblock.
(10)Startmudpumptocircle
(11)Hoistblockandremoveslips.
(12)Commencedrilling.
D.Notesfordrilling:
(1)Donotturnthethrottlefrom“zero”totherequiredrotatespeedrapidly,andslowthrottlemovementshouldbeadopted.
(2)“AUTO”isonlyusedindirectionalwelloperationandtheBrakeswitchshouldbeat“OFF”whendrilling.
(3)Tofreestuckpipe,keepthethrottlestaticandmaintainthedrillstandtorque,hoistandlowertopdrivetofindapositionwheretopdrivecouldrerun.Ifitdoesn’tworkyet,itisnecessarytoreleasedrillingtorque:
keepthethrottlestatic,decreaseDrillTorqueslowlyuntilthedeliveredtorquereducestozero,andthenturnthethrottletozero.
(4)Positivepressureexplosion-proofisusedforVDC;
ItisforbiddentowashVDCwithhigh-pressurefluid;
CheckVDCregularlytoeliminaterustandlooseinterface.
(5)Decreasespeedtoavoidresonanceoftopdrivewhendrillingwithlargedimensionbit.
2.Directionaldrillingoperation(navigationdrilling)
Indirectionaldrillingoperation,powerprovidedtothebitissuppliedbyusingdownholemudmotors.Asaresult,whetherthestringrotatesornotdependsondrillingtechnologyrequirements.Thispartcontains:
directionaldrilling,adjustingdrillpipefaceorientation,Making/BreakingConnectionduringdirectionaldrillingandRecordingtheDrillingStringTorque.
Notes:
1.Indirectionaldrillingoperation,accordingtodrillingtechnologyrequirements,setbraketo“ON”whenthepipeisstatic,andsetbraketo“AUTO”whenthepiperotates.
2.Topdrivetorquemustbegreaterthanthepracticaltorqueofdownholemudmotor.Ifreversinghappensincombinationdrilling,increasetorquevalueimmediately.
3.Whendrillingwithadownholemudmotor,ensurethetopdriveDrillbraketorquevalueisgreaterthanthemaximumouttorqueofthedownholemudmotor.Pleaseregularlycheckbrakedevice.
A.Directionaldrilling
01.Tripthedrillpipeandmudmotoruntilthemotorreachesthebottomofthehole.
02.UsingtheForward/off/Reverseswitch,select“Forward”.
03.Usingmodeswitch,select“SPIN”
Thelinktiltfunctioncanbeusedtoguidethesingleintothetopdriveguidefunnel(inmostcases,itisnotnecessarytouselinktilt).
04.LowerTopDrivetoconnectthetopdrivetothedrillstring,thenconnectdrillpipewiththesaversub.
05.Putthegrabberonthedrillpipebox;
Then,usingGrabberswitch,select“Close”.
06.UsingTorqueswitch,increasetorquetotheconnectingvaluerequiredforthethreadandconnectiontype.
07.waituntilthequilloutputtorquereachestothedesiredvalue;
Make-up,thenselectmodeswitchto“DRILL”
08.SetIBOPto“ON”,usedriller’scontrol,startmudpump.
09.selectbraketo“ON”(Iftheconditionallowsthed
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