構(gòu)造建模與速度建場(chǎng)技術(shù)在克拉蘇構(gòu)造帶的應(yīng)用.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文構(gòu)造建模與速度建場(chǎng)技術(shù)在克拉蘇構(gòu)造帶的應(yīng)用姓名：程明華申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：地質(zhì)工程指導(dǎo)教師：杜啟振王貴重20090501ApplicationofstructuremodelbuildingandvelocityfieldconstructioninKelasutectonicbeltChengMinghua(GeologicEngineering)DirectedbyProfDuQizhenAbst

2、ractKelasutectonicbeltinKuqaDepressionisamajorzoneofnaturalgasexplorationinTarimbasinDuetoitscomplicatedsubsurfacegeologicalstructure，itisverydifficulttobuildreasonablestructuremodelandcorrectvelocityfieldMoreovertheabov

3、etwofactorsrestrictthediscoveryofthetrapsandreservoirsfurtherAimingtothereasonablestructuremodelbuildingandcorrectvelocityfieldconstruction，thispaperadoptcorrespondingmethodsintheapplicationandtheimplementmeansinKelasute

4、ctonicbeltKelasutectonicbeltisafoothillthrustbelt，whichhasstrongoveIrthrustnappeForitslowsignaltonoiseratioandgeneraldataoflowqualityitisdifficulttodescribethecomplicatedsubsurfacegeologicalstructureSeismic—geologiccompr

5、ehensivecalibrationisthebasementofbuildingastructuremodel，asagoodreferenceforseismic—geologiccomprehensivecalibrationofthesubsurfacegeologicalstructure，surficialstructureofKelasutectonicbelthavebeenfinelycalibratedbytheu

6、singofgeologicalprofilesandremotesensingimagesThestructureofKelasutectonicbeltandsaltrockarecloselyrelated，throughfinedescriptionofthesaltrock’Sdevelopment，togetherwiththeanalysisoffault—relatedfoldtheoretic，afivesection

7、alstructuremodelofKelasutectonicbelthasbeenbuiltInordertomakesurethestructuremodeliSreasonableandreliableaseriesoftechnicalmeanshavebeenusedduringtheprocedureofstructuremodeling，suchasjointinterpretationofseismicandnonse

8、ismic，forwardmodeling，numericalsimulation，integrationofprocessingandinterpretation，balancedsectiontechnique，andSOonCorrectvariablevelocitymappingisthemaintargetofbuildingavelocityfieldconstructionIntervalvelocityfillingm

9、ethodvelocity—field—builtisveryusefulforfoothillthrustbelt，whosecoreistoacquireintervalvelocitycorrectlyAimingtothecorrectchangegradientofintervalvelocityindifferentpartsofthestructure，drillingvelocityandseismicvelocityh