動載作用下特殊螺紋油管接頭連接強度及密封性分析.pdf

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3、、、^≯C壬韭皇英文摘要N即a鉀m謝e●：MZh佻oubH咄ail蛆ingh(s咖ign竺動似僦9：atlln)壘絲絲絲!f!gInstructor：DouYmua(signatll他)逮叢!；墊ABSTRACTWiththedifficultiesofoilexplorationincreasing，thebetterperformanceofmbingisrequiredfordifficultexploration，thetrad

4、itionalAPImbmgcannotmeetproductionneedsinhostileconditionspremiumconnectionarewidelyusedbecauseofitsadvantageonsealingandconnectionabilitiesWhenthepremiumconnectionusedinthedeepwell，itusuallysufferfromtheloadaccordingtot

5、hecondition。ItssealingandconnectionabilitieswillaffectbythechangedloadThereforethispaperstudiedonthesealingandconnectionabilitiesofpremiumconnectionsufferingfromthechangedload，theresultismeaningfulfortheselectionofpremiu

6、mconnection，itCanensurethesealingandconnectionabilitiesofpremiumconnectioninhostilewellbytheselectedconnectionInthispaper，Inordertoobtainingamethodtocalculatetheloadontubing(onpremiumconnection)，thebucking，thedeformation

7、andtheloadoftubingwereanalysedThemaintypeofstructureofpremiumconnectionwereanalysedTakingthemake—uptorqueandthechangedloadintoconsideration，thestressdistributionontwotypesofpremiumconnectionswerecalculatedbyfiniteelement

8、method，accordingtothestressdistributionandstressvariation，theconnectionandsealingabilitiesofpremiumconnectionwereanalysedTheresultshowsthatthechosenpremiumconnectionshaveexpectedperformanceonconnectionandsealingwithmakeu

9、ptorqueWiththechangedload，buttresstypethread謝thpitchchangeCanreducepeaktoothloadandimproveloaddistributionSOtheconnectionabilityofbuttresstypethread、]l，iⅡ1pitchchangeisbetterthanbuttresstypethreadwithompitchchangeWithalt

10、ernatingtensionconicalsealachievesealability、橢tllsealingpressureandbigcantactareatripleradiussealCanobtainlocalizedhighsealingpressuretoensueexcellentsealabilityWithalternatingcompression，thevalueofsealingpressureonconic

11、alsealislowerthanthatonthetripleradiussealthevalueofsealingpressureonconicalsealdropped、析t11compressioncycleincreased，thevalueofsealingpressureontripleradiussealdroppedinthefirstcompressioncycleanddroppedlittleinothercom

12、pressioncycleBasedontheresearchabove，taketheproblemsoftubinginuseintoconsiderationandconsultedtherelatedstandard，write‘theselectionofpremiumconnection“’and‘“therecommendedapplcationofpremiumconnection’toguaranteethedisti