zj906750db超深井钻机井架及底座静动态特性研究

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1、StudyonStaticandDynamicCharacteristicsofZJ90／6750DBUltra--deepDrillingRigDerrickandSubstructureWangDong(MechanicalEngineering)DirectedbyProf．GaoXueshiAbstractWithcontinuousoilandgasresourcesexploitation，drillingdevelopstodeeperformation，Theuseforultra—deepdrillingrigisbecomingnecessity．Astheimportan

2、tcomponentofrighoistingequipments—derrickandsubstructure，whichplayanimportantroleindrillingoperation．Differentfromordinaryrig，ultra-deepdrillingrigworkingenvironmentisevenworse，nominaldrillingdepthandequipment，asignificantincreaseinweight，derrickandsubstructuretowithstandthestaticloadanddynamicloadg

3、reater．Thestrengthandsecurityforderrickandsubstructureistheprotectionofdrillingtobenormal，therefore，studyonstaticanddynamiccharacteristicsofultra-deepdrillingrigderrickandsubstructureisnecessary．Inthispaper,ZJ90／6750DBultra-deepdrillingrigderrickandsubstructurefortheresearchobject,accordingtoitsstru

4、cturalfeatures，applicationANSYSfiniteelementanalysissoftwaretocompletemechanicalmodelderrickandsubstructure—building．BasedonthelatestAPISpec4F¨SpecificationforDrillingandWellServicingStructures”inthepayloaddesignprinciples，focusingonselectedconditionsla,condition2，andworkingconditions3a，thecompletio

5、nofdrillingrigsandstaticcharacteristicsofsubstructureoftheoverallanalysis，obtainedthestructureofthestressdistributionanddeformation，andgivesthesafetyfactor．Finally,accordingtoanalysisofstaticcharacteristics，evaluatethestructuralsafetylevelofderrickandsubstructureasawhole．Researchondynamiccharacteris

6、ticsofderrickandsubstructureasawhole．Analysisofthevibrationcharacteristicsofthestructure，obtainnaturalvibrationfrequenciesandmodalshape．Completethestructureinacyclicalloadandimpactloadsofharmonicresponseandtransientdynamicresponse，obtainthedynamicresponseofthelawofincentivepoints．Completionofstructu

7、ralbucklinganalysistodeterminethestructureoftheinstabilityoftheformandthelimitload．11Introducethetheoryofseismicresponsespectrumandcharacteristics，wimtheseismicbuildingstandards，completeZJ90／6750DBult