地震子波提取方法研究进展
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摘要
地震数据子波提取,是地震资料反褶积处理、波阻抗反演以及正演模拟的基础工作.准确的地震子波估计技术对于高分辨率、高信噪比、高保真度的地震勘探数据处理具有极为重要的意义.在过去的二三十年中,数字信号处理理论、非线性理论、优化理论得到了很大发展,这些为地震子波提取技术和方法注入了新的巨大活力.本文首先简要地说明了与地震子波紧密相关的褶积模型,然后对地震子波提取现状进行了概括阐述,最后给出了地震子波提取前景屉望.
Wavelet extraction of seismic data is a basic task in the processing of seismic data deconvolution,impedance inversion and forward modeling.For the seismic data processing of high resolution,high signal-to-noise ratio and high fidelity,it has an extreme significance to estimate seismic wavelet accurately.Over the past twenty years,theories and techniques in digital signal processing,non-linear sciences and optimization have made great development,and their uses come down to the seismic data processing,at the same time it gives great impetus to the development of the technique and method of the seismic wavelet extraction.In this paper,we first briefly explain the convolution model with the closest relation to the seismic wavelet,then we give a summary of seismic wavelet extraction.Finally we simply discuss the prospect of the seismic wavelet extraction.
Wavelet extraction of seismic data is a basic task in the processing of seismic data deconvolution,impedance inversion and forward modeling.For the seismic data processing of high resolution,high signal-to-noise ratio and high fidelity,it has an extreme significance to estimate seismic wavelet accurately.Over the past twenty years,theories and techniques in digital signal processing,non-linear sciences and optimization have made great development,and their uses come down to the seismic data processing,at the same time it gives great impetus to the development of the technique and method of the seismic wavelet extraction.In this paper,we first briefly explain the convolution model with the closest relation to the seismic wavelet,then we give a summary of seismic wavelet extraction.Finally we simply discuss the prospect of the seismic wavelet extraction.
引文
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[15] Ulrych T J.Application of homomorphic deconvolution to seismology[J].Geophysics,1971,36(4) :650-660．
[16] 周兴元.应用同态理论估算地震子波[J].石油地球物理勘探,1983,18(6) :510-521．
Zhou X Y. The estimation of seismic wavelet by homomorphic theory[J].Oil Geophysical Prospecting,1983, 18(6) :510-521．
[17] 胡启宇.应于同态反褶积的最小相位变换[J].石油地球物理勘探,1984,19(2) :126-139．
Hu Q Y.The minimum phase transform applied to homomorphic deconvolution[J]. Oil Geophysical Prospecting,1984,19(2) :126-139．
[18] 张耀辉.同态反褶积的子波估算[J].江汉石油学院院报,1985,(1) :49-68．
Zhang Y H.T he wavelet estimation applied to homomorphic deconvolution[J].Journal of Jianghan Petroleum Institute,1984,19(2) :126-139．
[19] 胡启宇.同态反褶积的一种可能途径[J].石油物探,1984,23(2) :109-111．
Hu Q Y. A possible method of the homomorphic deconvolution[J].Geophysical Prospecting for Petroleum,1984,23(2) :109-111．
[20] 徐伯勋,姜成栋.应用同态滤波提取子波的改进方法[J].石油物探,1991,30(3) :22-37．
Xu B X,Jiang C D.An improvement of wavelet extraction using homomorphic filtering[J].Geophysical Prospecting for Petroleum,1991,30(3) :22-37．
[21] 李国发,彭苏萍,高日胜.复赛谱域提取混合相位子波的方法[J].天然气工业,2005,25(1) :85-87．
Li G F,Peng S P,G R S.Method of mixed phase wavelet extraction in cepstrum domain[J].Natural Gas Industry,2005,25(1) :85-87．
[22] Rosa A L R,Ulrych T J.Processing via spectral modeling[J].Geophysics,1991,56(8) :1244-1251．
[23] 赵波,俞寿朋,聂勋碧.谱模拟反褶积方法及应用[J].石油地球物理勘探,1996,31(1) :101-116．
Zhao B,Yu S P,Nie X B.Spectral-modeled deconvolution and its application[J].Oil Geophysical Prospecting,1996,31(1) :101-116．
[24] 孙成禹.空变地震子波提取方法研究[J].石油大学学报,2000,24(1) :77-80．
Sun C Y.Study on the extraction of spatial varied seismic wavelets[J].Journal of the University of Petroleum,2000,24(1) :77-80．
[25] Porsani M J,Ursin B.Mixed-phase deconvolution[J].Geophysics,1998,63(2) :637-647．
[26] 李鲲鹏,李衍达,张学工.基于谱模拟技术的混合相位地震子波估计方法[J].石油物探,2001,40(2) :21-28．
Li K P,Li Y D,Zhang X G.The mixed-phase wavelet estimate method based on spectral modeling[J].Geophysical Prospecting for Petroleum,2001,40(2) :21-28．
[27] 伊振林,王润秋.一种新的混合相位反褶积方法[J].石油地球物理勘探,2006,41(3) :266-270．
Yi Z L,Wang R Q.A new mixed-phase deconvolution method[J].Oil Geophysical Prospecting,2006,41(3) :266-270．
[28] 张贤达.时间序列分析[M].北京:清华大学出版社,1996．
Zhang X D.Time Series Analysis[M].Beijing:Tsinghua University Press,1996．
[29] Lazear G D.Mixed-phase wavelet estimation using fourthorder cumulants[J].Geophysics,1993,58(7) :1042-1051．
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