海上油氣地震勘探的側(cè)反射干擾衰減方法研究和應(yīng)用.pdf

1、天津大學(xué)碩士學(xué)位論文海上油氣地震勘探的側(cè)反射干擾衰減方法研究和應(yīng)用姓名：王征申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電子與通信工程指導(dǎo)教師：郝久玉趙嘉志20090401ABSTI認(rèn)CTTherelativeamplitudepreserving，highresolutionhighS／Nratioaretheroleoftheseismicexplorationdataprocessingintheoilandgasindustryandareallt

2、heprocessorsworkingforMoreandmorebuldingsandvesselslxxTomeappearingontheseafollowingthedevelopment，forexampleoilrigs，cargos，Ⅱghthouseetc，thoseobstructscauseacoherentnonlinearnoiseontheseismicdatasidereflectionnoise，thequ

3、alityofseismicimagingisaffectedveryseriouslybecausethetraditionalmethodsCall’tworkwellspeciallyfortheprestackmigrationimaging，SOafurtherstudyisnecessaryInthisthesis，thecreativeresearchismainlydoneonthefolowingfacets：Firs

4、t，togivingabriefintroductionofthemarineseismicexplorationactivity；Analyzinghowthesidereflectionnoisetobethegeneratedandit’Scharacters，aRfibutionsinverydetail；Thenacreativeideawasbuiltbasedontheaboveanalysis：locatingthepo

5、sitionoftheobstructsthroughthesampleshots，markoutthenoiseeliminationwindowsbyfollowingtheshapeofthenoisesignals；ThenoisewasfilteredoutinFKdomainmeanwhileavoidedthealiasandprotecttheprimaryreflectorinmaximumbyoptimizingno

6、iseattenuationwindow；AlsoaamplituderecoveryoperationWasdonefortheamplitudepreservingpurposeThemaneuverabilkyandefficiencyforhugedatawereconsideredaccording懿thenecessaryofproductionBaSedontheaboveresearchworkthekinematics

7、anddynamicsofthenoisewasconfirmed；Softwarewasdeveloped；TherealdataprocessingresultWaSverysatisfiedandstablebycomparingtheimagesThetestalsoconfirmedthatthismethodcanhandleprocesshugedatainaeasywayKEYWORDS：oilexplorationse