井下螺旋軸流式混抽泵裝置設計研究

1、中國石油大學（華東）碩士學位論文井下螺旋軸流式混抽泵裝置設計研究姓名：高揚申請學位級別：碩士專業(yè)：機械工程指導教師：李增亮20100501DesignandStudyonDownholeHelicoAxiaiMultiphasePumpGaoYang(MechanicalEngineering)DirectedbyProfLiZengliangAbstractDownholehelicoaxialmultiphasepumpisanew

2、technologyforpumpingundergroundoilandgasmixtureInordertomeettheneedsofthehighgaswells，offshoremarginaloilwellsandeoalbedmethanewellsdevelopment，0111“l(fā)aboratorydesignedthedownholehelicoaxialmultiphasepump，andstudiedtheexi

3、stingproblemsofthepumpAxialforceis’aninevitableproblemtothehelicoaxialmultiphasepumpinordertbpredictthehelico—axialpumpaxialforceandgetthecalculationmethodaccuratelyespeciallygetthecalculationmethodtothegasliquidmixtured

4、uringpumpingaxialforce，thispaperanalysisthemechanismoftheaxialforceofthehelico—axialmultiphasepump，studiesthedistributionofthefluidbyusingthebasicprinciplesoffluidmechanicsThecalculationmethodsandformulastothehelico—axia

5、lmultiphasepumpaxialforceisputforwardbyresearchingthethreecontributeaxialforce，thismethodnotonlyappliestosinglephaseworkingmedium，butalsoappliestoonthegas—liquidmixtureworkingmediumInordertosolvetheproblemoftheaxialforce

6、balanceofthedownholehelicoaxialmultiphasepumpthatisdifficulttosettle，thisarticlefoundthatthetraditionalaxialforcebalanceisverydifficulttoapplytodownholehelicoaxialmultiphasepumpbecauseitworksinefficientbysummarisingallco

7、mparethetraditionalaxialforcebalancemethodThispaperdesignedtwonewaxialforcebalancedevices—the”double—shellbalancingpipe&balancingdisc”axialforcebalancedeviceandthe”doubleshellbalancingpipe&balancingdrum”axialforcebalance

8、device，anditsstructurecharacteristicsandworkingprincipleisanalyzedBycommparingseveralcommonaxialforcebalancedevice，twonewaxialforcebalancedeviceshasobviousadvantagesintermsofbalance，orinwaystoimprovepumpefficiencythebala