收藏 分销(赏)

钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx

上传人:天**** 文档编号:2918853 上传时间:2024-06-11 格式:PPTX 页数:115 大小:8.17MB
下载 相关 举报
钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx_第1页
第1页 / 共115页
钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx_第2页
第2页 / 共115页
钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx_第3页
第3页 / 共115页
钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx_第4页
第4页 / 共115页
钻井石油专业英语速成版drillingenglishtraining省公共课一等奖全国赛课获奖课件.pptx_第5页
第5页 / 共115页
点击查看更多>>
资源描述

1、DrillingEngineeringEnglish第1页IntroductionPurpose&ScopeEnhance your English communication and application capabilitiesDrillingEngineeringEnglishDailyDrillingReportAnalysisWellWorkover/InterventionIntroductionPractice&Evaluation第2页Letsbegin!Name:Title/Position/Responsibilities:WorkLocation:EnglishLeve

2、l:OtherInformation:Anticipationofthiscourse:第3页HowtoMASTERgooddrillingEnglish?Word,sentence and a little grammar.Practice&Bold!Practice&Bold!Enough?NO!第4页DrillingEngineeringlDrillingRigs/HistoryandOffshoreRigslUsefulTerms&SentenceslRoutineDrillingOperationslDailyDrillingReportAnalysisandTranslationl

3、Listening&WritingTest第5页DrillingRigsHistoryandOffshoreRigs第6页CableToolRigOldStyleWho drilled the firstsuccessful well in thestates?Colonel Drake drilledColonel Drake drilledto 69 feet in 1859.to 69 feet in 1859.第7页Cable-toolDrilling-OldStyleCable-toolDrilling:Thedrillbithangsinaropeorcable.Apoweredw

4、alkingbeamraisesanddropsthecable;ithitsthebottomoftheholewithgreatforcetopiercetherock.Twodisadvantages:drillermuststopdrillingfrequentlytoremovepiecesofrockorcuttings.Themethodcannotdrillsoft-rockformations.第8页Rotary Rig(Fluid Circulating)By itself,rotating a bit on pipe is no betterthan dropping a

5、 bit on cable.A fluid circulating rotary rig circulatesfluid while the bit drills.Developed in the Developed in the 1850s,gained 1850s,gained widespread acceptance widespread acceptance after the Spindletopafter the Spindletopwell was drilled in 1901.well was drilled in 1901.第9页Classificationofrotar

6、ydrillingrigs第10页DrillingRigsFrom Left to right,Landbasedoilexplorationrig,Platformrig,Jack-uprig,Semi-submersible,DrillshipandanotherdeeperwaterSemi-submersible.第11页DrillatSeaDrillingcrewshavetooperatethroughthedepthoftheseawatercolumn.Climates&EnvironmentsCorrosivetomachinesLimitedStoragespaceVess

7、eldynamicpositioningAnd,$第12页DrillingCrewCompanyman:Repfromoilcompany,DrillingSupervisorToolpusher:Thecontractorstopmangeronthedrillsite.Tourpusher:WorkfortoolpusherasteamleaderDriller:Theonepersonwhoactuallyoperatestherig.Derrickman:Twojobs:monitorsandrecordstheconditionofthedrillingmud,handlesthet

8、opofthepipe.RoughneckorFloorman:handlespipeontherigfloorRoustabouts:Loadingandunloadingoftheequipmentandsupplies.第13页Jack-upUnitAjack-upunitisabargewithlegsthatcanbeloweredorraised.Thebargeistowedtothedrillinglocationwithitslegsintheraisedposition.Onceinposition,thelegsarelowered.Whentheyreachthesea

9、-bed,thebargesbodyishoistedabovethewater,creatingastabledrillingplatform.Thelengthofthelegsdeterminesthedepthofwaterinwhichajack-upbargecanbeused.Theycangenerallybeusedinupto100metersofwater.Jack-upbargesarewidelyemployedintherelativelyshallowwaters.第14页Semi-SubmersibleDrillingRigAsemi-submersibledr

10、illingrigisnormallyaself-propelledworkingplatformsupportedbyverticalcolumnsonsubmergedpontoons.Byvaryingtheamountofballastwaterinthepontoons,theunitcanberaisedorloweredinthewater.第15页Semi-SubmersibleDrillingRigThelowerthepontoonsliebeneaththesurfaceofthewater,thelesstheyareaffectedbywaveaction.Thisr

11、educesverticalmovementandallowsdrillingtocontinueinmoderatelyroughseas.Asemi-submersiblevesselisnormallyheldinpositionbyuptoeightverylargeanchors,orbydynamicpositioning.Dynamicpositioningsystemsusecomputercontrolleddirectionalpropellerstokeepthevesselstationaryrelativetothesea-bed,compensatingforwin

12、d,waveorcurrent.Semi-submersiblescandrillinwaterdepthsto300metersormoreallyearround.第16页Drillship第17页DrillshipDrillshipshaveabroadlyconventionalshipshull,butalsofeaturealargeaperture,knownasamoonpool,throughwhichdrillingtakesplace.Eitherpurposebuilt,orconvertedfromsomeotheruse,drillshipscanbemovedea

13、silybetweenlocations.Theycancarrylargestocksofsupplies,butarenotasstableassemi-submersibles.Drillshipsuseeitheranchorsordynamicpositioningtomaintainstation.Thelatestdrillshipscanoperatein1,500metersofwater.第18页Inland Waters第19页Land RigD-101-11第20页Work boatWork boat”Rigid-Jacket Platform”第21页“Jack-up

14、”第22页“Semi-Submersible(Floater)”第23页第24页Summary第25页What are the major rig components?1.Hoisting System (Derrick,Crown,Drawworks)2.Drive Group (Motors,Compounds&Chains)3.Circulating System (Pits,Pumps,Stand Pipe,Swivel,Kelly,Drill String and Return Lines)4.Well Control Equipment(Bops,Choke Manifold)D

15、-101-5第26页Hoisting SystemD-101-6第27页Hoisting SystemTongsDrawworksDrillers ConsoleD-101-6第28页RotatingSystemFunction:ItmakesthedrillbitturnRotatingAssembly:Surfacerotatingsystem(topdrive),downholerotatingsystem(drillstem)第29页Circulating SystemCirculating SystemD-101-8第30页CirculatingCirculatingSystemSy

16、stem第31页2TypesofRollerConebitMillToothTungsten Carbide Inserts第32页ProductLineProductLineMatrix BodySteel BodyQuad-DDual DiameterQuad-DReamer第33页CirculatingSystem-DrillingFluidFunction:Removedrillingcuttingsfromthehole,coolsandlubricatesthebit,exertspressureinsidetheholeforwellcontrol,formsmudcaketoa

17、dheretothesidesofthehole.Mudproperty:Mudweight,viscosity,solidscontent.第34页PumpDrivesMechanical(Chain Drive)Type Drilling RigDrive Group第35页Electrical(SCR)Type Rig LayoutDrive GroupD-101-7第36页Well Control EquipmentWell Control EquipmentBopsChoke ManifoldD-101-8第37页CWRBOPStack第38页BOPHydClosingUnitBOP

18、HydClosingUnit第39页RigFloorBOPClosingUnit第40页WORKOVERRIGOn location with DerrickRaisedMoving to Location第41页DrillingBuzzWordsMonkeyboard,CatheadRathole,MouseholeDoghouse,catwalkP/U,M/U,N/U,N/D,RIH,TIH,TOH,POOH,第42页CWR第43页DCWR第44页CWR第45页CRIPump第46页RigFloor第47页UsefulTermsandSentences第48页DrillingEquipme

19、nt提升系统lifting/hoistingsystem天车crownblock天车滑轮crownsheaves防碰天车crownblockprotector游动滑车travellingblock大钩hook卡瓦slips吊卡elevator内/外/液压钳lead/back-up/hydraulictong大钳板牙tongdie大钳吊绳拉力tonglinepull第49页DrillingEquipment水龙头swivel鹅颈管(swivel)gooseneck水龙带drilling/rotary/kellyhose吊环bail冲管washpipe盘根swivelpacking第50页Dril

20、lingEquipment转盘table转盘rotarytable转盘转速指示器rotaryspeedindicator转盘扭矩表rotarytorqueindicator转盘大方瓦masterbushing方补心kellybushing旋扣器spinner第51页DrillingEquipmentDrillingstring方钻杆kelly钻杆(heavywall)drillpipe钻杆架piperack钻铤(spiral)drillcollar线重linearmass(kg/m)钻头roller/drag/PDC(polycrystallinediamondcompact)bit滑动轴承j

21、ournalbearing保径齿gaugeteeth第52页DrillingEquipmentDrillingstring扶正器centralizer稳定器stabilizer(rubbersleeve,integralblade)配合接头(粗细扣)cross-oversub/adapter回压阀checkvalve三通/四通longsweeptee/fullflowcross第53页DrillingEquipmentDrillingstring减震器bumpers(shockabsorber)随钻震击器drillingjar柔性短节flexjoint回压凡尔backpressurevalve

22、正/反扣right/lefthandthread公/母接头tooljointpin/box变径短接(大小头)swage/adaptersub打捞短接junksub第54页DrillingEquipment井下钻具组合bottomholeassembly满眼钻具packedholeassembly钟摆钻具/效应pendulumassembly/effect中性点neutralpoint涡轮钻具turbodrill(rotor,stator,bucket)螺杆钻具positivedisplacementdrill取芯钻头corebit取芯工具coringtool第55页DrillingEquipm

23、ent打捞工具FishingTools打捞矛tripspear公锥pin/dietap母锥boxtap卡瓦打捞筒overshot随钻打捞杯drillingjunkbasket反循环打捞蓝reversecirculatingbasket铅印impressionblock强磁打捞器fishingmagnet测卡仪stickingpointinstrument引鞋guideshoe第56页DrillingEquipment净化器cleaner振动筛shaker搅拌机agitator/stirrer除气器degasser去磁器degausser除泥器desilter除砂器desander第57页泥浆泵

24、/管线mudpump/line缸套pumpliner柱塞piston皮带beltpulleyguard蓄能器accumulator游码slidingweight漏斗mudhopper/funnel(Marsh)节流管汇Chokemanifold压井管线killline立管standpipeDrillingEquipment第58页第59页Chokemanifold第60页stands第61页shaker第62页DrillingFluid泥浆性能mudproperty粘度viscosity粘度计indicator密度density泥浆密度计mudscale/mudbalance泥饼稠度cakec

25、onsistency稳定性stability泥浆有进无出钻井blinddrilling第63页Chemicaladditives碳酸钠carbonate烧碱sodiumhydroxide(钠sodium,钾calium)氯化钙/氧化钙calciumchloride/oxideCMCcarboxymethylcellulose聚丙烯酰胺polyacrylamide乳化剂emulsifyingagent粉末powder/flake重晶石barite般土bentonite第64页Handtool手钳combinationpliers螺丝刀(phillips)screwdriver锉刀file钢锯ha

26、cksaw套筒/扭矩/开口扳手box/torque/open-endedwrench麻花钻twistdrill第65页Drillingoperation开钻spudin探井explorationwell边探井wildcatwell生产井producingwell定向井directionalwell大位移井extendedreachwell水平井horizontalwell分支井眼branchhole井身结构casingprogram第66页Drillingoperation造斜点kick-offpoint增/降斜build-up/dropoffholeangle鼠洞mouse/rathole裸

27、眼openhole井径(不)扩眼器reamer砂岩页岩夹层Sand/shale/alteratinglayer油气显示indicationofoilandgas/hydrocarbon第67页TroubleandAccident跳钻roughdrilling憋钻bitbouncing溜钻drillingstringnotwellbraked顿钻percussiondrilling打倒车reverserotation井斜holedeviation纠斜correctdrift井漏lostcirculation井塌slough井涌kick井喷blowout第68页TroubleandAccident

28、键槽/砂桥/沉砂卡钻key-seating/sandbridge/sandsettlingsticking钻头泥包bitballing侧钻sidetracking造扣/倒扣threadmaking/back-off卡点freepoint第69页Abbreviations机械钻速ROP/RateofPenetration底部钻具组合BHA/BottomHoleAssembly防喷器BOP/BlowoutPreventer钻压WOB/WeightonBit第70页CommonAbbreviationsRuninhole(RIH)Pulloutofhole(POOH)Nippleup(N/U)Rig

29、up(R/U)Rigdown(R/D)Makeup(M/U)Pickup(P/U)Backoff(B/O)Slackoff(S/O)Crossover(X/O)Blockoutpreventer(BOP)Subsurfacesafetyvalve(SSSV)第71页CommonAbbreviationsSlidingsidedoor(SSD)=SlidingsleevePlugbacktotaldepth(PBTD)Totalverticaldepth(TVD)Measureddepth(MD)Measurementswhiledrilling(MWD)Loggingwhiledrilling

30、(LWD)Seismicwhiledrilling(SWD)Drillcollar(DC)Drillpipe(DP)Highwalldrillpipe(HWDP)Kickoffpoint(KOP)Rotationkellybushing(RKB)Wearbushing(WB)Casing(CSG)第72页CommonAbbreviationsTubing(TBG)Highratewaterpack(HRWP)Wireline(W/L)Electricalsubmersiblepump(ESP)Shut-intreepressure(SITP)Emergencyshutdown(ESD)Outs

31、idediameter(OD)Insidediameter(ID)Expandablesandscreen(ESS)Horsepower(HP)Thru-tubinginflatablepermanentcementretainers(TTIPCR)第73页Otherwords钻井日报表dailydrillingreport甲方、乙方operator/contractor累计钻进小时cumulativerotatingHRS组织停工小时HRS.standby一天工作摘要dayworksummary井队工资表drillingcrewpayrolldata公制度量标准metricexpressio

32、ns第74页Otherwords安全阀safety/pop-off/reliefvalve指重表weightindicator栏杆handrail库房warehouse休息室bunkhouse第75页Otherwords顺/逆时针Clockwise,anti-clockwise(adj,adv)耐热/防水材料heat-resistant/water-proofmaterial辅助设备auxiliaryequipment地锚groundanchor(deadman=undergroundanchor)大绳wireline绷绳guywire(dead/fastline)交/直流电alternati

33、ng/directcurrent(AC/DC)第76页Otherwords粘度viscosity浓度concentration/thickness密度density硬度hardness梯度gradient孔隙度porosity渗透率permeability支点fulcrum/pivottensile/compression/bending/twisting/shearing/burst/yieldstrength(强度)安全系数safetyfactor安全帽hardhat护目镜goggles第77页OffshoreDrillingTermsPREPAREFOR为为作准备作准备FIXED固定固定

34、SKIDDERRICK移井架移井架UNLOAD卸载卸载REMOVEWEDGESONTHELEGS拔桩腿楔块拔桩腿楔块WAITONWEATHER等天气好转等天气好转TOWING拖航拖航CONNECTBOAT接拖轮接拖轮JACKDOWNRIG降船降船PULLOUTTHELEGS拔桩拔桩JETTHELEGS冲桩冲桩DROPANCHOR(RETRIEVEANCHOR)抛锚(收锚)抛锚(收锚)POSITION就位就位第78页OffshoreDrillingTermsLEADERDIR艏向艏向EL(EASTLONGITUDE)东经东经NL(NORTHLATITUDE)北纬北纬RIGPOSITION船位船位

35、PENETRATETHELEGS插桩插桩JACKUPRIG压载压载RELEASEBOAT解拖解拖AIRGAPISm气隙气隙是是米米SETWEDGESONTHELEGS放楔块放楔块TAKESHELTERFROMTHETYPHOON避台风避台风EVACUATEPLATFORMAT撤离平台撤离平台HANGER悬挂器悬挂器HANGEROFMUDLINE泥线悬挂泥线悬挂第79页OffshoreDrillingTermsMAKEUP接、组合接、组合BHA(BOTTOMHOLEASSEMBLY)底部井眼钻具组合底部井眼钻具组合D.C(DRILLCOLLAR)钻铤钻铤D.P(DRILLPIPE)钻杆钻杆ADJ

36、USTROTARYTABLELEVEL调平转盘调平转盘FEELINGDEPTHPLATE测深板测深板FEELINGMUDLINE探泥面探泥面WAITONSMOOTHCURRENT等平流等平流DROPTOTCO(SURVEY)投测投测BIT钻头钻头HWDP加重钻杆加重钻杆第80页36”HoleDrillingF/S(FLOATSUB)浮阀接头浮阀接头J/S(JOINTSUB)配合接头配合接头MAKEUP36BHA组合组合36井眼钻具组合井眼钻具组合RIH(RUNINHOLE)下钻下钻DRILLING(DRILLTO)钻进(钻到钻进(钻到米)米)DISPLACEH.V(HIGHVISCOSITY)

37、MUD替高粘泥浆替高粘泥浆SKS(STROKES)冲数冲数CIRC(CIRCULATE)循环循环POOH(PULLOUTOFHOLE)起钻起钻SINGLE单根单根STAND立柱立柱WAITONSINKINGSAND等沉砂等沉砂FEELINGSANDLINE探砂面探砂面RUNIN30CONDUCTOR下入下入30隔水管隔水管RUNIN5INSIDESTRINGS下下5内管柱内管柱RIGUPCMTHEADANDLINE接水泥头和管线接水泥头和管线CEMENTING(CMT)固井(注水泥固井(注水泥第81页36”HoleDrillingDISPLACEMUDSKS替泥浆替泥浆冲冲RIGDOWN卸掉、

38、拆掉卸掉、拆掉INSTALLWELLHEADASSEMBLY装井口装井口REAMER扩眼器扩眼器CUTOFF切割切割WELDEARON30CSG焊焊30套管耳柄套管耳柄W.O.C(WAITONCEMENT)候凝候凝DRILLCMTPLUGTOm钻水泥塞到钻水泥塞到米米INSTALLTHEWELL-HEADGUY-LINES安装井口绷绳安装井口绷绳RUNNINGTOOL送入工具送入工具FEELINGCMTLINE探水泥面探水泥面CIRC-HEAD循环头循环头第82页26”HoleDrillingCSG(CASING)套管套管CSGSPOOL套管四通套管四通RIGUPBOPS安装防喷器组安装防喷器

39、组BOPSFUNCTIONTEST防喷器功效试验BOPSPRESSURETEST防喷器压力试验防喷器压力试验ANNULARPREVENTER万能防喷器万能防喷器PIPERAMS钻杆闸板钻杆闸板BLINDRAMS盲板盲板BLIND-SHEARRAMS剪切盲板剪切盲板KILLMANIFOLD压井管汇压井管汇CHOKEMANIFOLD阻流管汇阻流管汇STAND-PIPEMANIFOLD立管管汇立管管汇PRESSURETEST试压试压WEIGHT-SETTESTTOOL重力试压工具重力试压工具VALVE阀门阀门HYDRAULICVALVE液压阀液压阀第83页17”HoleDrillingDROPCAT

40、CHVALVE(SUB)投入式止回阀投入式止回阀JUNKBASKET(JUNKSUB)打捞篮(落物接头)打捞篮(落物接头)STAB扶正器扶正器JAR震击器震击器FLEXIBLESUB饶性接头饶性接头MAKEASHORTTRIP短途起下钻短途起下钻TIGHTTRIP有阻卡现象起下钻REAM划眼划眼BUMPINGPRESSURE碰压碰压FORMATIONLEAKINGOFFTEST地层破裂压力试验地层破裂压力试验DRILLSTRINGSISOBSTRUCTEDAT钻杆(下钻)遇阻在钻杆(下钻)遇阻在米米TIGHTHOLE缩径缩径TIGHTPULL钻具(起钻)遇阻钻具(起钻)遇阻STUCK卡钻卡钻D

41、RILLSTRINGHAVEBEENFREE解卡解卡OVERPULLT超提超提吨吨PUMPFREEAGENTm3打解卡剂打解卡剂方方第84页17”HoleDrillingKICK(DRILL)井涌(演练BLOWOUT井喷井喷HANDLE(DEALWITH)处理处理HOLECOMPLEXPROBLEM钻进复杂情况钻进复杂情况ACCIDENT事故事故KILLWELL压井压井BLOWOFF泄压、放喷泄压、放喷WIPERTRIP通井通井DIESELOIL柴油柴油WORKINGTHEDRILLSTRING活动钻柱活动钻柱FREEPOINTISATm卡点在卡点在米米EXPLODETOBACKOFF爆破倒扣

42、(爆破解卡)爆破倒扣(爆破解卡)E-LOGGING电测电测CSGPRESSURETEST套管压力试验套管压力试验PUMP泵入(名词:泵)泵入(名词:泵)LOSTCIRCULATION(WELLLOSS)井漏(井口不返泥浆)井漏(井口不返泥浆)LCM(LOSTCIRCULATIONMATERIALS)堵漏材料堵漏材料CUTDOWNTHEFLOWRATE降低排量降低排量第85页六、六、12-1/4和和8-1/2井眼作业井眼作业LOW-FLOWTEST低流量试验低流量试验GEOLOGICALCIRC(CIRCBOTTOMSUP)地质循环(循环取样)地质循环(循环取样)OBSERVEHOLE观察井眼观

43、察井眼SETWEARBUSHING放置抗磨补芯放置抗磨补芯RECOVERWEARBUSHING回收抗磨补芯回收抗磨补芯FINISHDRILLING完钻完钻7LINER7尾管尾管SETHANGER座挂座挂RUNINPACKER(BRIDGEPLUG)WITHE-LOGCABLE用电测电缆送入派克(桥塞)用电测电缆送入派克(桥塞)SQUEEZECEMENTING挤水泥挤水泥SLUGTHEPIPE灌重泥浆灌重泥浆第86页SpecialOperationsRUNIN5OPENDP下入下入5光钻杆光钻杆CSGCUTTER套管割刀套管割刀CUTOFFCSG切割切割套管套管CUTTERSPREADEDTES

44、T割刀伸张试验割刀伸张试验REVERSECIRCULATION(LINE)反循环(管线)反循环(管线)PULLOUTSTAND提出几根立柱提出几根立柱RIGDOWNWELLHEADANDBOPS拆井口和防喷器拆井口和防喷器LAYDOWN甩下钻台甩下钻台FISHINGSPEAR打捞矛打捞矛RETRIEVECSG回收回收套管套管第87页SentencesindrillingoperationPleasecountthesedrillpipes.NowcirculatePulloutof/runinhole.Makeup/breakdownajoint.Pullouttheimpressionblo

45、ck.Rigupsteeringtools第88页SentencesindrillingoperationPleasereamwith171/8hole-opener.Slugpipeandthentripoutofhole.Slipthedrillingline.Therecorderhassixhands,oneshowspumpstrokes,oneshowstherateofdrilling.第89页SentencesindrillingoperationUsethehandwheeltocontrolthedoubleramblowoutpreventer.Keepthepumpon

46、allthetime.Jointhetravelingsystemwithdrillingline.第90页SentencesindrillingoperationPleaseusethejarandflex-joint.Laydowndrillstring.Measurethelengthofthosespiralcollars.Ourworkhasnotadvancedmuchthesedays.Changetheshakerscreen.第91页SentencesindrillingoperationStickingpipeisacomplicatedproblem.Cleantheca

47、singthreads.Takenewmeasurestopreventcaving/lossofcirculation/corrosion.Togeteverythinginorderbefore4pm.第92页SentencesindrillingoperationDrillcementplug.Thetwosubsarenotproperlyaligned.Getmethetoolplease.Letthemotorrunidle.MayIgetawordin?第93页SentencesindrillingoperationWemadeatripyesterday.Makeupajoin

48、t,please!Makeituponemorethread.Makethekellydown.Howmanymetersdidyoumaketoday?Maketheproblemclear.Canyoumakesureofthesefacts?第94页RoutineDrillingOperations-1PreparingtheDrillSiteRiggingUpDrillingtheSurfaceHole(SpuddingIn)TrippingOutRunningSurfaceCasingCementingtheCasing第95页RoutineDrillingOperations-2T

49、rippingInControllingFormationPressureRunningandCementingIntermediateCasingDrillingtoFinalDepth/TotalDepth/TDEvaluatingFormationsSettingProductionCasing第96页DrillingtheSurfaceHoleTopholeisknownasthesurfaceholeDrillingmudcouldcontaminateshallowfreshwaterzones.Toprotectsuchzones,runssteelpipeintothehole

50、andcementsitinplacesurfacecasing第97页TrippingOutPullingthedrillstemandthebitoutofthehole第98页RunningSurfaceCasingSurfacecasingislarge-diametersteelpipeThecrewrunsitintotheholeusingheavy-dutycasingslips,tongs,andelevators.Surfacecasingaccessoriesincludecentralizers,scratchers,acasingorguideshoe,andaflo

展开阅读全文
相似文档                                   自信AI助手自信AI助手
猜你喜欢                                   自信AI导航自信AI导航
搜索标签

当前位置:首页 > 教育专区 > 其他

移动网页_全站_页脚广告1

关于我们      便捷服务       自信AI       AI导航        获赠5币

©2010-2024 宁波自信网络信息技术有限公司  版权所有

客服电话:4008-655-100  投诉/维权电话:4009-655-100

gongan.png浙公网安备33021202000488号   

icp.png浙ICP备2021020529号-1  |  浙B2-20240490  

关注我们 :gzh.png    weibo.png    LOFTER.png 

客服