| 子波整形方法在大庆徐家围子深层气藏连片处理中的应用 |
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| 引用本文： | 陈斌.子波整形方法在大庆徐家围子深层气藏连片处理中的应用[J].物探化探计算技术,2011,33(3):258-263. |
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| 作者姓名： | 陈斌 |
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| 作者单位： | 中国石油大庆油田有限责任公司,勘探开发研究院,黑龙江,大庆,163712 |
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| 摘 要： | 在连片处理中,关键因素是地震资料的波形一致性问题。在不同年度采集的多区块连片处理中,不同的激发因素和接收条件,会今导致原始数据在子波振幅、频率、相位等方面存在明显的差异。在常规处理中,多采用频率、反褶积等匹配方法,来调整不同震源、不同区块原始资料的频率和相位关系,但这种处理方式会影响叠前处理的效果。通过子波整形方法,可以有效地消除不同震源类型、不同区块等采集因素所造成的区块间波形差异,互相关系数达到0.9以上。该方法应用在大庆徐家围子的深层气藏十九个区块,满覆盖面积为5 058.8 km2三维大连片叠前偏移处理中,取得了明显的效果。
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| 关 键 词： | 连片处理 波形一致性 子波整形方法 互相关系数 叠前偏移 |
Waveform consistency shaping method and application in seismic merging processing in Daqing Xujiaweizi deep gas reservoir |
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| CHEN Bin.Waveform consistency shaping method and application in seismic merging processing in Daqing Xujiaweizi deep gas reservoir[J].Computing Techniques For Geophysical and Geochemical Exploration,2011,33(3):258-263. |
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| Authors: | CHEN Bin |
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| Institution: | CHEN Bin (Exploration and Development Research Institute of Daqing Oilfield Company Ltd.,Daqing Helongjiang 163712,China) |
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| Abstract: | Waveform consistency is an important factor in seismic merging processing,the waveform difference is small in seismic data processing of single block because the properties of the sources and receivers are similar.The wavelet amplitude,frequency and phase are different in multi-blocks processing because the data acquisition is in different time and also,the data has different source and receiver properties.The method of frequency consistency,amplitude consistency and deconvolution are applied to adjust the ... |
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| Keywords: | seismic data merging processing waveform consistency wavelet shaping crosscorrelation coefficients prestack migration |
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