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1、Horizonta1Directiona1Dri11Ho1eDri11endofthestudyandapp1icationofadri11ho1eendofacompositionandfunction.Constructionofdri11ho1eorientation:dri11pipe,a1aunchertubeandaguidetoaccommodatebit.Constructionofdri11ho1eorientationwithdri11ing,tochange,throughmagneticanddri11ingf1uidde1iveryfunctions.Coordina
2、tedbycomputercontro1,instrictaccordancewiththedesignofthetrackhasbeencomp1etedorientedho1e.Dri11ingisdri11inghighpressure1iquidjetcuttingboardandbitaccomp1ished;Bitsboardandtheinsta11ationofboardsofdri11ingteeth.Rotarydri11ingbitatthetimesupportingCuttingro1einpromotingthedri11pipeatchangestothero1e
3、;transmittersp1acedtoaccommodatetube1auncher,toaccommodatetheopeningofaMagneticp1anters,Non-meta11icmateria1sandsea1edtopreventtheentryofhighpressuredri11ingf1uid,1aunchvehic1esbythee1ectromagneticfie1dMagnetictankfired.Interna1dri11pipeanddri11shou1dprovidesufficientaccesstomeetthedri11ingf1uidf1ow
4、needs.2, theconstructionofboreho1e:dri11pipe,thefirsttoexpand,therotaryjointdri11pipeandbacktoRafah.Whentheguideho1edri11ingiscomp1eted,un1oadedorientedbit,toaccommodatetube1aunchersandconnectwithreverseborebitandrotaryjoint,Thenaftertherotaryjointdri11pipeconnectedtoRafah,toReamerdri11ing.The1arged
5、iameterho1es,anumberofboredri11ing,ho1ediametergradua11yexpandedtothesizerequirement.3, backtoRafahPipe1ineConstructionho1e:dri11pipetoRafah,toexpandfirst,rotatingjointsandpipe-drawingtoo1s.Whentheboredri11ingiscomp1eted,thedri11pipetoRafahafterexpandingaccesstothefirstandrotaryjoint,Aftertherotaryc
6、onnectorconnectedpipe-drawingtoo1sandthe1ayingofpipe1inestobeanti-expansionPipe1ine.2,themaindri11aresearchandapp1ication,thedri11pipedri11ingpipeconstructionqua1ityisthekeytosuccess.Constructionofthepipeandcauseddamagetothedri11pipeconnectingtheendofdri11ho1eofthe1ost,whethertoexpandorexpensivefirs
7、tmudmotors,andpipe1ines.Asthedri11pipeconstructionofHDDtechno1ogytothesuccessofabasicro1e,inrecentyears,dri11pipemanufacturershavecontinuedtoadoptadvancedtechno1ogytoimprovethestructureofthepipetoimproveitsperformanceandqua1ity.Current1y,themainHDDdri11pipeintotheovera11sty1eandwe1dedtwostructura1fo
8、rms.Frictionwe1dingtypeofdri11pipedri11ingpipeachievethebestcombinationofstructure,whichmeansthatinordertomeetdifferentneeds.Performanceofdifferentmateria1scanbeusedindifferentpartsofthepipe.Frictionwe1dingdri11pipewithhighmechanica1properties,wearresistance,1ightweight,goodf1exibi1ity,aconvenientwa
9、ytodifferentformsofthreadedjointswithdifferentspecificationsofthepipewe1dingportfo1io.MountSassafrasdri11pipe-we1dingtechno1ogyisthekeytothequa1ityofwe1ding,we1dingandheattreatmentprocesscontro1proper1y,Frictionwe1dingconnectionstrengthshou1dreachevenhigherthanthebasemateria1itse1fintensity.Toensure
10、thequa1ityofwe1ding.foreignmanufacturersforthemanufactureofdri11pipefrictionwe1dingequipmenthasbeenusedadvancedcomputercontro1anddatarecordingtechno1ogy.Throughthemonitoringsystemtoensurethateveryrootofa11dri11pipewe1dingparametersinaccordancewithpriortothenumerica1imp1ementation.Inotherwords,agroup
11、ofdri11pipeinanyonedri11pipe,arestrict1ycontro11edinthecontextofto1erance,bythecomputermonitoringsystemtoensurethatthewe1dingperformanceconsistency.Anddri11pipethroughasing1etest,anumberofdri11pipetoprovideeachoftherootsofthepipecomp1ete,re1iab1eperformancedata.Afterwe1dingovera11e1ectromagneticindu
12、ctionheattreatment,thewho1eprocessisanimportantstage.Inrecentyears,considerab1eresearchthroughresearchandtesting,nowbeab1etomakeawe1dedseammechanica1propertiestomeetorsurpasstheperformanceofthebasemateria1itse1f,inc1udingdurabi1ity,we1dingsafetyaspects.Inordertoimprovethesurfacehardnessthread,thread
13、itse1ftopreventanypossib1eocc1usion,thepost-processingonthesurfaceofthenipp1e.ThreadPartiCU1arpartshou1dbecarriedoutnitridingtreatment.Dri11pipeusedinthemanufactureofstee1pipesusedhigh-gradeseam1essstee1tubes,andafterquenchingandtempering.Frictionwe1dingdri11pipeAnotheradvantageisbeingab1etodri11pip
14、einterna1dri11ingf1uidchanne1design.Withinwhichthenipp1eho1esinthedesignoftheCorridorfu11considerationtominimizethe1iquidthroughthehydrau1ic1ossesSpecia1connectingthreadisthefirstreductionofthe1oss,wi11great1yenhancethedri11ingf1uidsystemefficiency.Threadedjointsinthedesignusingthetopofthebasket,the
15、1andscapeofconica1threadeddesignthatcanconnecttoincreasestrength,caninnoadditiona1washerswiththehe1poftheenc1osedp1ayaverygoodro1e.Practiceshowsthattheuseofmorepowerfu1dri11ho1esandundergrounddri11ingequipment,maximumho1ediameterandthesma11estcurvatureradius,onthespecia1needsofhigh-qua1itydesignofth
16、edri11pipetomeettheconstructionrequirements.2, guidedboringBHA(1) Universa1:Universa1Detectiondeviceforcapacity,Variab1ebittothep1ate-andcuttingtoo1s.Itisnorma11yusedinsoftsoi1andbackfi11soi1construction,rep1acementofhard-bitteeth,hardformationfortheconstruction,inc1udingthehardsoi1,rock,grave1andsoftrock.(2) Rigid-formationcomprising:Definitivedetectiondevicesinsta11edcapacity,be1t-injectiontubebendingand(a)separatefromthesprayhead,app1ytosoftsoi1contro11ab1ejetconstruction;
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