pdc鉆頭水力優(yōu)化研究與應用

1、北京化工大學碩士學位論文PDC鉆頭水力優(yōu)化研究與應用姓名：張利申請學位級別：碩士專業(yè)：機械工程指導教師：王奎升朱明會20050520THESTUDYANDAPPLICATIoNoNHYDRODYNAMICoPTIMIZATIoNoFPDCBITABSTRACTTodayinordertomeettheneedofrapiddevelopmentofwelldrillingindustrythedesignandmanufacturing

2、techniqueofnativeandoverseasPDCbitfactoriesalecontinuouslytakingpainstoimprovethemechanicalcapabilityoftheirproductsTheeffectofhydrodynamicfactortogeneraltechnicaltargetofPDCbitsisenormous；drillingslurryhasseveralpivotal

3、andmultifunctionalfunctions，suchasschleppingrockoddment，cleaningwellboRom，coolingorlubricatingbitandauxiliarilyfragmentizingrockandSOonDuringthestudycourseinallusiontohydrodynamicoptimizationofPDCbit，asortofpetroleummech

4、anicalproductinOurcompanythispapermainlydevelopsseveralaspectsofthePDCbitasfollows(1)Onthebasisofthecontrastbetweendomesticandforeignstudyonhydrodynamicinvestigativetechniqueandabundantdatacorrelativetothispaperconsulted

5、onnativeandoverseasdatabase，thispaperulteriodyestablishesPDCbithydrodynamicoptimizationtechniqueadoptingthecombinationoftheoreticanalysisandexperimentationinthedrillingfield(2)DuringthecourseofPDCbithydrodynamicoptimizat

6、iontechniquethispaperfiguresouthydrodynamicpressureofbitthediameterandlocationofnozzlesonbitcrownanditsarrangementmode，namelystudyonnozzles’interiorstructureThispaperrespectivelycalculatesconstructionalangle，numberandloc

7、ationofnozzlesanditsspurtangleinhydrodynamicstructureofPDCbit(3)DuringthecourseofPDCbithydrodynamicparametersoptimizationtechnique，thispaperrightlychooseshydrodynamicparameters，decreasesorconquersnozzles’jammingbyslurrya