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石油取芯钻具外管螺纹的结构分析和参数优化 Title:StructuralAnalysisandParameterOptimizationofOuterTubeThreadsofOilCoringDrill Abstract: Theoutertubethreadsofoilcoringdrillplayacrucialroleinensuringasecureconnectionbetweenthedrillingtoolsandeffectiveretrievalofcoresamples.Thisstudyfocusesonthestructuralanalysisandparameteroptimizationoftheoutertubethreadstoenhancethedrillingefficiencyandoverallperformance.Theresearchencompassesacomprehensiveanalysisofthethreaddesignandengineeringprinciplestooptimizetheparametersthatinfluencetheperformanceofthethreads,suchasthethreadpitch,flankangle,andhelixangle.Theresultsprovidevaluableinsightsintotheimprovementoftheoutertubethreadsforbetterdrillingoperationsintheoilandgasindustry. 1.Introduction -Significanceofoutertubethreadsinoilcoringdrills -Objectivesofthestudy 2.LiteratureReview -Assessmentofpreviousstudiesonoildrillingtoolsandthreaddesign -Reviewoftheimportanceofthreadparametersindrillingefficiency 3.Methodology -Overviewoftheresearchapproach -Discussionondatacollectionandexperimentaldesign 4.StructuralAnalysisofOuterTubeThreads -Detailedanalysisofthethreaddesignprinciplesandtheirmechanicalbehavior -Examinationofstressdistributionandcontactmechanics -Investigationoffailuremechanismsandpotentialrisks 5.ParameterOptimization -Selectionofinfluentialparameters -Analysisoftheimpactofthreadpitchondrillingperformance -Optimizationofflankangleconsideringfrictionalbehavior -Incorporationofhelixangleforimprovedchipevacuation 6.ResultsandDiscussion -Presentationofexperimentaldataandoutcomes -Discussionontheeffectsofparameteroptimization -Comparisonwithexistingdesignsandindustrystandards 7.DiscussionofPracticalImplications -Enhanceddrillingefficiencyandaccuracy -Extendedtoollifespanandreducedmaintenancecosts 8.Conclusion -Summaryoffindings -Recommendationsforfutureresearchanddevelopment Thestructuralanalysisandparameteroptimizationofoutertubethreadsinoilcoringdrilltoolsarecriticalforachievingreliableandefficientdrillingoperations.Thisstudycontributestotheoila