抽油機井桿管偏磨治理技術研究.pdf

1、中國石油大學（華東）碩士學位論文抽油機井桿管偏磨治理技術研究姓名：劉洪濤申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：王海文張丁涌20081001ResearchonpreventionandcontroltechniquesofrodandtubingeccentricwearinrodpumpedwellLiuHongtao(Oilandgasengineering)Supervisor：ProfWangHaiwenSEZhan

2、gDingyongAbstractDuringtheproductionofrodpumpedwells，aSthefactorsoftheconstraintofwellbodystructure，rodandtubingdestabilizationbendovernatureofproductionfluid，etc，causeabraSionbetweenrodandtubing，leadtotubingleakandrodpa

3、rtingandotherissuesInthelaterproductionstageoflowpermeabilityoilfield，thefloodeffectivenessispoolpressuredecreaSesandthedepthofplungerisincreaSing，theissueofrodandtubingeccentricwearisbecomingmoreprominentandgreatlyaffec

4、tsthenormalproductofoilwellsThehomeandabroadpresentsituationofrodandtubingeccentricwearandsolutionissurveyedandstudiedinthisthesis，andtheoilwellswhichexistsabrasioninXianHeOilproductionplantShengLiOilfieldaredetailedlyan

5、alyzedThecharacteristicsofrodandtubingabrasion，themechanismandreasonsofabrasionareconcludedThemechanismofeccentricwearisanalyzedfromtheaffectionofthemechanicalwearandcorrosion，throughmechanicalanalysisoftherodandtubing，t

6、hemodelofmultistageroddestabilizationbendoverisestablishedandcomputed，theresultcanbeabletogivereferencetothedesignoftherodcentralizersAccordingtotheresolvingabrasionthinkingofrighting，lowthepositionofneutralpointandimpro

7、vementtheconditionofrodandtubingeccentricwearthetechniquesofresolvingtherodpumpedwellrodandtubingabrasionareresearched，includingHDPEtaperedtubingtechnique，fightingtechnique，fightingandweightingtechnique，antisepsisandanti

8、weartechnique，andotheraSsistingmatchingtechniquesofresolvingabrasion，associatingtheapplicationofthesetechniquesinXianHeOilproductionplantShengLiOilfield，themechanismoftreatingeccentricwearisrevealed，andtheconditionsitCan

9、besuitforanditsdrawbacksareanalyzed，theresearchofthesishasareferencevaluetoimprovetheapplicationeffectofthepreventionandcontroleccentricweartechniquesKeywords：rodpumpedwell，rodandtubingeccentricwear，neutralpoint，mechanic