分支井套管受力分析及優(yōu)化設計

1、大連理工大學碩士學位論文分支井套管受力分析及優(yōu)化設計姓名：湯懷龍申請學位級別：碩士專業(yè)：一般力學指導教師：徐闖20020301TheForceAn—a—l—y——s—i—s——a—n——d——O———p—t—i—m——i—z——a—ti——o—nDesignofOffshoo——t——O——i—l—W———e—l—l—CasingAbstract—————AbstractThefixationofoil—wellestab]ishmen

2、tisanimportantthingandthedesignofcasingisalsocrucialSohowtomakeitdurableandeconomicalisourpurpose—optimizationofcasingsizeandcoadjutorlayoutThisarticleintroducestheoDtimizationofwhathavementionedaboveFirstlyestablishingm

3、echanicalmodelofcasingstructure，andthenprocessingcasingforcesanalysisusingspacefinite—elementmethodandsuperpositionmethod(putstructurestressandouterforcestresstogether)，itcomputesthestressofcasinginthreedimensions，andget

4、stheinternalforceandtransmutationThestructureofcasing—coadjutoriscomputedoverlaplyandthequestionofcontactissolvedIntheaspectofdesign，itprovidesthemixedinteger—discretevariableoptimizationmethodofcasingcrosssectionsizeand

5、coadjutorlayoutItalsoempolderscorrespondingstructureanalysissoftwareanddatapreprocessinterfaceprogrammeInthispaper，itcarryoutalIthestresscomputationasasampleofLengpingNo1oilwellanddirectlyprovidessomePictureswhichshowhow