封隔器卡瓦應(yīng)力分析研究.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文封隔器卡瓦應(yīng)力分析研究姓名：王迪申請學(xué)位級別：碩士專業(yè)：固體力學(xué)指導(dǎo)教師：何世平20050501壘墜墼!一————AbstractPackerisoneofprimarysilotoolsinoilfieldexploitationtooperateproductioninjectioncraftsuchasmechanicalpetroleumproduction，zonalinjection，multip

2、lefracturingoracidification，mechanicalpondingandSOonFunctionofslip，whoseperformanceinfluencesdirectlyonoilwellyieldandproductivesafetyissupportingpackerandlockingrubberafteranchoringWiththesameexpandingslipforce，occlusiv

3、eforcedistributionbetweenslipandsleeveisakeytodecidetheSUCCESSofpackerinconstructionanduseTherationalityofocclusiveforcedistributionisrelativetodamagelevelofsleeveandlifespanofslipandinfluencesonoperationofpetroleumprodu

4、ctionorwaterinjectioncraftandnextworkingofoilwellManyfactorsinfluenceonocclusiveforcedistributionbetweenslipandsleevesuchasgeometryandsizeofsliptineangle，structureofslip，materialofslip，machiningaccuracy，andSOonSoitisimpo

5、rtanttoanalyzesllessofpackerslipandstudyocclusiveforcedistributionbetweenslipandsleeveforguidingoptimurndesignofpackerslipBasisofthisbackground，allanalyticalstudyofcontactstressbetweenslipandsleeveisdonebyusingfiniteelem

6、entmethodand3dimensionphotoelastictechniqueinthisarticleStudythoughtasfollows：1Mechanicsmodelofthepackerslipisbuiltaccordingtoactualstructureandstressstateofapackerslip2A3Dphotoelasficexperimentalmodelismadeaccordingtoth

7、emechanicsmodelmad3DphotoelasticsimulationexperimentisdoneThenhypo—principalstressdifferencesofslip，sleeveandcontactsurfacebetweenslipandsleevearcsolved3Anumericalcalculationmodelisbuiltandboundaryconditionisdefinedaccor

8、dingtomechanicsmodelofthepackerslipWlththesameloadandboundarycondition，numericalcalculationanalysisisdoneforpackerslipbyusingfiniteclementmethod4Numericalcalculationresultsarecomparedwithexperimentalsimulationresultsandt

9、henumericalcalculationmodelandboundaryconditionalemodifiedfllrthcrThethirdoperationisdonerepeatedlyuntilcomputedresultsandexperimentalresultsareaccordantcomparatively5Withthecomparativeperfectcalculationmodelandappropria

10、teboundarycondition，thewholestressanalysisandoptimumdesignarcdoneforpackerslipThemainresearchworksasfollows：lMechanicsmodelofthepackerslipisbuiltaccordingtoactualstructureandstressstateofapackerslip2Numericalcalculationa