常規(guī)抽油機(jī)井桿柱力學(xué)行為預(yù)測(cè)及效率分析.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文常規(guī)抽油機(jī)井桿柱力學(xué)行為預(yù)測(cè)及效率分析姓名：吳慎渠申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：油氣田開(kāi)發(fā)工程指導(dǎo)教師：薛建泉201205MechanicalBehaviorPredictionAbouttheSuckerrodStringandEfficiencyAnalysisforCommonPumpingWellWuShenqu(Oil&GasFieldDevelopment)DirectedbyAssociatePr

2、ofXueJianquanAbstractThesystemefficiency，undergroundliftingefficiencyandthegroundefficiencyarethecompositeindextomeasurepumpingwellsAtpresent，thethesystemefficiencyofthepumpingwellalwaysstaysatalowerlevel，SOithasquitebig

3、spacetoexcavateInthispaperonthebasisofthepreviousstudies，itmaketheproductionparametersandthefoundationofbasicparametersofaoilwellasbasicconditions，andthepump’SworkingconditionsasunderboundaryconditionsAndthenthepapermake

4、forceanalysisaboutthesuckerrodandtheliquidinsidethetubeMeanwhile，thepaperbuildsthedynamicmodelabouttherod劬eandfluidandoptimizesthecalculationmethodofthepressureAfinitedifferencemethodisusedtosolvethecomprehensivemodelAnd

5、thenitgetsthesurfacedynamometercardAccordingtotheefficiencyofthesystemanalysis，thepaperobtainspolishedrodhorsepowerwiththesurfacedynamometercardSothepaperCangetundergroundliftingpowerofthepumpingwellWiththehelpofthegroun

6、defficiencycomputationmodel，thepapercalculatesthesystemefficiencyThePaperbuildssoftwareabout’Studyonthemechanicalbehaviorpredictionaboutthesuckerrodstringandefficiencyanalysisforcommonpumpingwell”Throughprocessessensitiv

7、elyanalysisofthesystemefficiencywithparameters，such雒wellheadbackpressure，pressuresuctionsidesofpump，viscosityofcrudeoil，lengthofstroke，producedGORandplungerdiameterWiththemethodofgreycorrelationanalysis，thepapergettheinf

8、luencedegreeoftheefficiencyofthesystem，itprovidesatheoreticalguidanceandbasistoimprovethesystemefficiencyofthepumpingwellsKeywords：SystemefficiencyDynamicalmodel，Sensitivityanalysis，Greycorrelationanalysis，Submergencedep