OALib Journal期刊
ISSN: 2333-9721
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三维表面多次波压制方法
Keywords: 三维表面多次波压制,稀疏反演,贡献道集,地震数据处理
Abstract:
?地震数据处理中二维情况下的表面多次波压制(srme)算法已很成熟;但在三维情况下,当地下地层在横测线方向存在一定倾角时,利用二维srme算法进行多次波预测存在一定误差,且通过自适应相减无法弥补所预测多次波模型的误差,因此开发了三维srme算法。由于地震数据采集的限制,三维情形下震源和检波器在横测线方向分布过于稀疏,直接将二维srme算法拓展到三维无法准确预测多次波。本文假定三维情况下每道记录对应的多次波贡献道集是一个双曲线形态,通过对对应多次波贡献道集进行稀疏反演,实现了三维情况下多次波的预测。模拟三维数据的处理结果验证了方法的可行性与有效性。
References
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[2] | verschuurdj.surface-relatedmultipleelimina-tion,aninversionapproach[d].delftuniversityoftechnology,1991.
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[3] | rossws,yuyandgasparottofa.traveltimepredictionandsuppressionof3-dmultiples.geophysics,1999,64(1),261-277.
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[4] | ikelleltandyoos.ananalysisof2dand3dinversescatteringmultipleattenuation.segtechnicalprogramexpandedabstracts,2000,19:1973-1976.
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[5] | matsonkhandcorrigand.a2.5dmethodforattenuatingfree-surfacemultiplesbasedoninversescatteringseries.32ndannualinternationalmeeting,offshoretechnologyconference,proceedings,2000,12046.
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[6] | bierstekerj.magic:shell'ssurfacemultipleattenuationtechnique.segtechnicalprogramexpandedabstracts,2001,20:1301-1304.
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[7] | vandedemej.3dsurface-relatedmultipleprediction[d].delftuniversityoftechnology,2002.
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[8] | suny.anti-aliasingmultiplepredictionbeyond2-d.segtechnicalprogramexpandedabstracts,1999,18:1338-1341.
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[9] | vandedemejandverschuurdj.3dsurface-relatedmultipleprediction—aninversionapproach.segtechnicalprogramexpandedabstracts,2000,19:1965-1968.
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[10] | vandedemejandverschuurdj.3dsurface-relatedmultipleprediction—asparseinversionapproach.geophysics,2005,70(3):v31-v43.
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[11] | lihongtu,huangzhi,lizhenyongetal.3dsrme(surface-relatedmultipleelimination)techniqueanditsapplicationindeepseaseismicdataprocessing.ogp,2009,44(s1):60-62.
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[12] | shiying,wangweihong,liyingetal.3dsurface-relatedmultiplepredictionapproachinvestigationbasedonwaveequation.chinesejgeophys,2013,56(6):2023-2032.
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[13] | sacchimdandulrychtj.high-resolutionvelocitygathersandoffsetspacereconstruction[j].geophysics.1995,60:1169-1177
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[14] | shewchukjr.anintroductiontotheconjugategradientmethodwithouttheagonizingpain.schoolofcomputerscience,carnegiemellonuniversity,1994.
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[15] | verschuurdj,berkhoutajandwapenaarcpa.adaptivesurface-relatedmultipleelimination[j].geophysics.1992,57(9):1166-1177
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[16] | nekutag.3dsurface-relatedmultipleprediction.segtechnicalprogramexpandedabstracts,1998,17:1511-1544.
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[17] | hokstadkandsollier.3dsurface-relatedmultipleeliminationusingparabolicsparseinversion.segtechnicalprogramexpandedabstracts,2003,22:1961-1964.
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[18] | vanborselenr,schonewillemaandheggerf.3dsurface-relatedmultipleelimination:acquisitionandprocessingsolutions[j].theleadingedge.2005,24():260-268
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[19] | 李宏图,黄志,李振勇等.三维srme技术及其在深海资料处理中的应用[j].石油地球物理勘探.2009,44(增刊1):60-62??浏览
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[20] | 石颖,王维红,李莹等.基于波动方程三维表面多次波预测方法研究.地球物理学报,2013,56(6):2023-2032.
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[21] | berkhoutaj.seismicmigration,imagingofacousticenergybywavefieldextrapolation,parta:theoreticalaspects.elsevierscientificpublcoinc,1982.
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[22] | zwartjespmandduijndamajw.optimizingreconstructionforsparsespatialsampling.segtechnicalprogramexpandedabstracts,2000,19:2162-2165.
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