基于倾角数据体的神经网络气烟囱识别
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摘要
气烟囱、断层、盐丘与油气运移直接相关,因而这些地质现象的识别对储层预测至关重要。地质目标体有走向和倾向两个方向属性,如果地震解释不能有效地考虑这两个方向的属性,其结果将与实际有很大的出入。本文应用考虑了地震体倾角和方位角信息的倾角数据体,运用有监督的神经网络分析方法提取能够反映地震异常体的最佳属性,提出一种基于倾角数据体控制下的最优化神经网络地震异常体识别方法。实例研究表明,基于倾角数据体控制下的神经网络分析方法在识别气烟囱方面与常规的多属性神经网络方法相比存在明显的优势,更有利于识别气烟囱等地震异常体。
Identifying geological bodies such as gas chimney,fault and salt dome is extremely important for hydrocarbon prediction since they are directly associated with oil & gas migration.These geological bodies have two oriental properties: trend and dip.Interpretation results will be totally different compared with the actual situation if these two oriental properties cannot be correctly considered.In this paper,a method for neural networks gas chimney identification based on steering cube is proposed.With the dip and azimuth information of the steering cube,supervised neural networks analysis extracts best seismic attributes which reflect seismic anomaly.A real data example shows that this method has obvious advantages compared with conventional multi-attributes in chimney identification.
Identifying geological bodies such as gas chimney,fault and salt dome is extremely important for hydrocarbon prediction since they are directly associated with oil & gas migration.These geological bodies have two oriental properties: trend and dip.Interpretation results will be totally different compared with the actual situation if these two oriental properties cannot be correctly considered.In this paper,a method for neural networks gas chimney identification based on steering cube is proposed.With the dip and azimuth information of the steering cube,supervised neural networks analysis extracts best seismic attributes which reflect seismic anomaly.A real data example shows that this method has obvious advantages compared with conventional multi-attributes in chimney identification.
引文
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[4]傅旦丹,刘一峰,沈丽丽等.南海某构造二维多分量地震资料处理.石油物探,2004,43(2):181～184Fu Dandan,Liu Yifeng,Shen Lili et al.Processingthe 2Dmulticomponent seismic data of a structure inSouth China Sea.GPP,2004,43(2):181～184
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[8]Fred Aminzadeh,David Connolly,Roar Heggland etal.Geohazard detection and other applications ofchimney cubes.The Leading Edge,2002,21(7):681～685
[9]Deva Ghosh,M Firdaus Abdul Halim,Martin Breweret al.Geophysical issues and challenges in Malay andadjacent basins from an E&P perspective.The Lea-ding Edge,2010,29(4):436～449
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[11]Geerteke Wansink,Luren Yang.A new confidencebound estimation method for neural networks,an ap-plication example.EAGE63rd Conference&Tech-nical Exhibition Extended Abstracts,Amsterdam,theNetherlands,2001:113～116
[12]Roar Heggland,Paul Meldahl,Paul de Groot et al.Detection of seismic chimneys by neural networks,anew prospect evaluation tool.EAGE 62nd Confe-rence and Technical Exhibition Extended Abstracts,Glasgow,Scotland,2000:231～237
[13]Paul Meldahl,Roar Heggl,Bert Bril et al.Identifyingfault and gas chimneys using multi-attributes andneural networks.The Leading Edge,2001,20(5):474～482
[14]Helge Lseth,Lars Wensaas,Brge Arntsen.Gaschimneys-indicating fractured cap rocks.AAPGHedberg Conference,Statoil,Norway,2002
[15]梁全胜,刘震,王德杰等.“气烟囱”与油气勘探.新疆石油地质,2006,27(3):288～290Liang Quanheng,Liu Zhen,Wang Deijie et al.Gaschimney and hydrocarbon exploration.XingJiangPetroleum Geology,2006,27(3):288～290
[16]马在田.计算地球物理概论.上海:同济大学出版社,1997
[17]Paul de Groot,Geert de Bruin,Nanne Hemstra.Howto create and use 3D Wheeler transformed seismicvolumes.SEG Technical Program Expanded Ab-stracts,2006,25:1038～1042
[18]Paul de Groot,Arnaud Huck,Geert de Bruin et al.The horizon cube:A step change in seismic interpre-tation.The Leading Edge,2010,29(9),1048～1055
[19]Marfurt K J.Robust estimates of 3Dreflector dip andazimuth.Geophysics,2006,71(4):29～40
[20]赵丽娅,傅群,潘海滨.OpendTect软件倾角控制模块在地震解释中的应用.海洋地质动态,2008,24(4):37～41Zhao Liya,Fu Qun,Pan Haibin.Application ofOpendTect steering cube in seismic interpretation.Marine Geology Letters,2008,24(4):37～41
[2]Schroot B M.Surface and subsurface expressions ofshallow gas accumulations in the southern North Sea.AAPG Hedberg Conference,2001
[3]Marcello Simoncelli,Huang Zuxi.To remove gascloud effect by using PSDM in Qaidam basin,north-west China.Petroleum Exploration and Develop-ment,2003,30(2):115～118
[4]傅旦丹,刘一峰,沈丽丽等.南海某构造二维多分量地震资料处理.石油物探,2004,43(2):181～184Fu Dandan,Liu Yifeng,Shen Lili et al.Processingthe 2Dmulticomponent seismic data of a structure inSouth China Sea.GPP,2004,43(2):181～184
[5]何汉漪,朱宏彰,张树林等.海上多波地震与莺歌海盆地的应用.中国海上油气(地质),1999,13(5):310～315He Hanyi,Zhu Hongzhang,Zhang Shulin et al.Ap-plication of offshore multi-component seismic inYinggehai basin.China Offshore Oil and Gas(Geol-ogy),1999,13(5):310～315
[6]Heggland R,Nygaard E,GallagherJ W.Techniquesand experiences using exploration 3Dseismic data tomap drilling hazards.Proceeding of Offshore Tech-nology Conference(OTC),1996,1:119～127
[7]Herald Ligtenberg,David Connolly.Chimney detec-tion and interpretation,revealing sealing quality offaults,geohazards,charge of and leakage from reser-voirs.Journal of Geochemical Exploration,2003,78(1):385～387
[8]Fred Aminzadeh,David Connolly,Roar Heggland etal.Geohazard detection and other applications ofchimney cubes.The Leading Edge,2002,21(7):681～685
[9]Deva Ghosh,M Firdaus Abdul Halim,Martin Breweret al.Geophysical issues and challenges in Malay andadjacent basins from an E&P perspective.The Lea-ding Edge,2010,29(4):436～449
[10]Aminzadeh F,Barhen Jacob,Glover C W.Toomarianreservoir parameter estimation using a hybrid neuralnetwork.Computers&Geosciences,2000,26(8):869～875
[11]Geerteke Wansink,Luren Yang.A new confidencebound estimation method for neural networks,an ap-plication example.EAGE63rd Conference&Tech-nical Exhibition Extended Abstracts,Amsterdam,theNetherlands,2001:113～116
[12]Roar Heggland,Paul Meldahl,Paul de Groot et al.Detection of seismic chimneys by neural networks,anew prospect evaluation tool.EAGE 62nd Confe-rence and Technical Exhibition Extended Abstracts,Glasgow,Scotland,2000:231～237
[13]Paul Meldahl,Roar Heggl,Bert Bril et al.Identifyingfault and gas chimneys using multi-attributes andneural networks.The Leading Edge,2001,20(5):474～482
[14]Helge Lseth,Lars Wensaas,Brge Arntsen.Gaschimneys-indicating fractured cap rocks.AAPGHedberg Conference,Statoil,Norway,2002
[15]梁全胜,刘震,王德杰等.“气烟囱”与油气勘探.新疆石油地质,2006,27(3):288～290Liang Quanheng,Liu Zhen,Wang Deijie et al.Gaschimney and hydrocarbon exploration.XingJiangPetroleum Geology,2006,27(3):288～290
[16]马在田.计算地球物理概论.上海:同济大学出版社,1997
[17]Paul de Groot,Geert de Bruin,Nanne Hemstra.Howto create and use 3D Wheeler transformed seismicvolumes.SEG Technical Program Expanded Ab-stracts,2006,25:1038～1042
[18]Paul de Groot,Arnaud Huck,Geert de Bruin et al.The horizon cube:A step change in seismic interpre-tation.The Leading Edge,2010,29(9),1048～1055
[19]Marfurt K J.Robust estimates of 3Dreflector dip andazimuth.Geophysics,2006,71(4):29～40
[20]赵丽娅,傅群,潘海滨.OpendTect软件倾角控制模块在地震解释中的应用.海洋地质动态,2008,24(4):37～41Zhao Liya,Fu Qun,Pan Haibin.Application ofOpendTect steering cube in seismic interpretation.Marine Geology Letters,2008,24(4):37～41
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