小直徑抽油泵系統(tǒng)設(shè)計與分析.pdf

1、學(xué)位論文創(chuàng)新性聲明本人聲明所呈交的學(xué)位論文是我個人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝中所羅列的內(nèi)容以外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果；也不包含為獲得西安石油大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻(xiàn)均已在論文中做了明確的說明并表示了謝意。申請學(xué)位論文與資料若有不實(shí)之處，本人承擔(dān)一切相關(guān)責(zé)任。論文作者簽名：茸日期：少侈鄉(xiāng)，Zo學(xué)位論文

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3、eSystemDesignandAnalysisofSmallDiameterPumpSpeciality：MechanicalandElectroniName：GaoPing(signature)Instructor：YanWenhui(signature)BS。l’RAC’l。Inrecentyears，withthecontinuousdevelopmentofoilfield，thenumberoflowpermeability

4、oilwellisincreasingnesuckerrodpumpingoilsystemusedinultralowpermeabilityoilfieldcannotcooperate誦mtheliquidsupplyforlowpermaeabilityoilfieldreasonablywhichincreasestheenergyconsumptionandreducesefficiencyoftherodoilpumpsy

5、stemForthelowpumpingdemandofdailyproductionperwelloflowpermeabilityoilfield，adiameterof25mmsoftsealingsmalldiameterpistontypesubsurfacepumpisdesigned，andallexternaltravelingvalvetoensurethatthevalvestillapplicationofstan

6、dardpartsisadopted，whilereducingthepumpbarreldiameterInordertosolvetheproblemsofpumpleakageincreasing、析廿1wearautomaticallycompensateforsoftsealringisadoptedinpistondesignTheliquidpressureofthepumpbarrelischangedinthepump

7、workingprocess，SOthatthesealingringisdeformedoutwardlyWhenthepumpreachestheupperstroke，thegapbetweenthepumpbarrelandthepistonreduced，andfurtherimprovethesealingeffectTheinnovationofstructureandtheselectionofnewmaterialsC

8、anreducethedifficultyofpumpprocessing，aswellasCanextendthemaintenancecycleAccordingtothelowpermeabilityoilfielddatafinishingtheime黟alconstructdesignandcompleting3DmodelingandinstallationoftheminordiameterpumpbySolidworks

9、softwareandcheckinginterferencebetweencomponentsAnalyzingthestressofthekeypartsofthepsitonandmakingstaticforceanalysisofcompensatorysealRingbyANSYSsoftwaretotakeasthebaseforpumpconstructdesignandintensitycheckIntheend，ca

10、lculatingthepumPefficiencyandmakingsimulationforminordiameterpumpatflowstreamentranceSimulatingthepressuredistributionwhenthepumpisworkingandspeedvectoratentranceCalculatingthepumpefficiencyatdifferentpumpingparametersan

11、ddeterminingthebestoperationalmode啦spaperintroducesthestructuredesignandanalysisofthepumpefficiencyIfthesoftsealingsmalldiameterpistontypesubsurfacepumpandrealtimevariablefrequencecontroltechniqueofpumpingunitcombined，am