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Toselectsuitableoildrillcollar,weneedtostartwith"drillingmachinemainbody".Theutilitymodelhas
release time:2018-03-26 The number of clicks:299
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Thedrillpipeisasteelpipewithastripedtail,whichisusedtoconnectthesurfaceequipmentofdrillingrigandd
release time:2018-03-25 The number of clicks:338
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Onthebasisofhightorqueperformanceofgeologicaldrillrod,singlehelixsixpartydrillrodismadeofsinglespir
release time:2018-03-24 The number of clicks:288
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Realtimeacquisitionofstrataevaluationandguidancedataduringdrillingcangreatlyimprovedrillingefficiency.Th
release time:2018-03-23 The number of clicks:365
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Theoildrillpipeisthemaincomponentofthedrillstring.Theserviceenvironmentisextremelyharshandtheloading
release time:2018-03-22 The number of clicks:191
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Amodifiedstructureandshapedhalfscrewpilewithspiraldrillrod,whichincludesdrillrodanddrill.Thedrillrod
release time:2018-03-21 The number of clicks:149
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Contradictionbetweenstrengthandtoughnessisoftenencounteredintheproductionandmanufactureofheavierdrillpip
release time:2018-03-20 The number of clicks:137
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Theaggravateddrillrodisthebasiccomponentofthedrillstring.Itsmainfunctionisthetransmissionoftorqueand
release time:2018-03-19 The number of clicks:121
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Precautionsfortheuseofoildrillpipe:avoidusingvisetosupportanypartofdrillpipebody,soastopreventthe
release time:2018-03-18 The number of clicks:141
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Atpresent,ourcountrymainlyreliesontheimportedwear-resistantweldingwire,althoughitsperformancecanmeetthe
release time:2018-03-17 The number of clicks:160
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Tensilefailureoftenoccursduringthedrilledcollarsofthedrilledoil.Whenthepullforceexceedstheyieldpoint,
release time:2018-03-16 The number of clicks:100
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Theimperfectsurfaceofoildrillpipe,whetherformedbymechanicalprocessorformedinmetallurgicalprocess,willg
release time:2018-03-15 The number of clicks:117
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