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基于非稳态匹配去调谐的叠前道集优化处理方法
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摘要
<正>1.引言优质非常规储层高精度地震识别与预测是中国非常规油气勘探开发所面临的挑战之一~([1]),叠前道集数据的调谐作用和波形拉伸将会降低后续AVO/AVA分析与反演的可靠性和精度~([2])。Zhang,et al.~([3])通过匹配追踪算法实现了无拉伸动校正,能够解决同相轴交错的道集动校正问题。Zhu~([4])为了避免成像后大角度地震数据拉伸,提出了无拉伸成像条件。新的处理技术从方法本身避免了波形拉伸,但尚未推
引文
[1]邹才能,董大忠,王玉满,李新景,黄金亮,王淑芳,et al.中国页岩气特征、挑战及前景(二)[J].石油勘探与开发,2016,43(2):166-178.
    [2]陈建江,印兴耀.基于贝叶斯理论的AVO三参数波形反演[J].地球物理学报,2007,50(4):1251-1260.
    [3]Zhang B,Zhang K,Guo S,Marfurt KJ.Nonstretching NMO correction of prestack time-migrated gathers using a matching-pursuit algorithm[J].Geophysics,2013,78(1):U9-U18.
    [4]Zhu X.Migration and inversion of long-offset,large-angle reflections:The University of Texas at Dallas;2013.
    [5]Singleton S.The effects of seismic data conditioning on prestack simultaneous impedance inversion[J].The Leading Edge,2009,28(7):772-781.
    [6]Perez G,Marfurt K.Improving lateral and vertical resolution of seismic images by correcting for wavelet stretch in common-angle migration[J].Geophysics,2007,72(6):C95-C 104.
    [7]Castoro A,White R,Thomas R.Thin-bed AVO:Compensating for the effects of NMO on reflectivity sequences[J].Geophysics,2001,66(6):1714-1720.
    [8]Wang L,Gao J,Zhao W,Jiang X.Enhancing resolution of nonstationary seismic data by molecular-Gabor transform[J].Geophysics,2013,78(1):V31-V41.

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