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    • 2. 发明授权
    • Attenuating noise in seismic data
    • 地震数据中的衰减噪声
    • US08730761B2
    • 2014-05-20
    • US11957743
    • 2007-12-17
    • Ralf Ferber
    • Ralf Ferber
    • G01V1/38
    • G01V1/36G01V2210/32
    • The technologies described herein include systems and methods for reducing noise in seismic data. More specifically, implementations may determine an amount of over-sampling for a frequency range of seismic data. Then, implementations may determine frequency bands based on the over-sampling. For each frequency band minimum-noise seismograms may be selected from consecutively occurring blocks of seismograms, and the remaining seismograms within each block may be discarded. The minimum-noise seismograms may then be used to reconstruct the discarded seismograms. The reconstructed seismograms may contain less noise than the original seismograms and, consequently, the seismic data may contain less noise.
    • 本文描述的技术包括用于减少地震数据中的噪声的系统和方法。 更具体地,实现可以确定地震数据的频率范围的过采样量。 然后,实现可以基于过采样来确定频带。 对于每个频带,可以从连续发生的地震图块中选择最小噪声地震图,并且可以丢弃每个块内的剩余地震图。 然后可以使用最小噪声地震图来重构废弃的地震图。 重建的地震图可能包含比原始地震图更少的噪声,因此,地震数据可能包含较少的噪声。
    • 3. 发明授权
    • Spectral conditioning for surface seismic data
    • 表面地震资料的光谱调节
    • US08139440B2
    • 2012-03-20
    • US11964925
    • 2007-12-27
    • Ralf FerberDebra DishbergerAlan Teague
    • Ralf FerberDebra DishbergerAlan Teague
    • G01V1/36
    • G01V1/364G01V2210/324
    • A method for spectrally conditioning surface seismic data. In one implementation, the method may include correcting surface seismic data for distortions due to anomalous spectral amplitudes, thereby generating a first set of corrected data; correcting the first set of corrected data for deterministic distortions, thereby generating a second set of corrected data; correcting the second set of corrected data for spectral distortions due to the seismic waves traveling through the near-surface, thereby generating a third set of corrected data; and correcting the third set of corrected data for spectral distortions due to the seismic waves traveling through deeper strata.
    • 一种用于光谱调理表面地震数据的方法。 在一个实施方式中,该方法可以包括校正表面地震数据用于由于异常频谱幅度引起的失真,由此产生第一组校正数据; 对确定性失真的第一组校正数据进行校正,由此产生第二组校正数据; 由于地震波通过近地表行进,校正由于地震波的频谱失真的第二组校正数据,由此产生第三组校正数据; 以及由于地震波行进通过更深层次而校正用于频谱失真的第三组校正数据。
    • 6. 发明申请
    • Determining acceptability of sensor locations used to perform a seismic survey
    • 确定用于执行地震勘测的传感器位置的可接受性
    • US20080144438A1
    • 2008-06-19
    • US11638877
    • 2006-12-14
    • Ralf Ferber
    • Ralf Ferber
    • G01V1/20
    • G01V1/20G01V2200/14G01V2210/16
    • Method for determining acceptability of sensor locations used to perform a seismic survey. In one implementation, the method includes obtaining a first set of reference data, generating a first output trace from a second set of reference data estimated from the first set of reference data at a plurality of planned sensor locations, generating a second output trace from a third set of reference data estimated at a plurality of actual sensor locations and comparing the second output trace with the first output trace to determine whether the variation between the second output trace and the first output trace is less than a predetermined value.
    • 用于确定用于执行地震勘测的传感器位置的可接受性的方法。 在一个实现中,该方法包括获得第一组参考数据,从在多个计划的传感器位置处的第一组参考数据估计的第二组参考数据生成第一输出轨迹,从第 在多个实际传感器位置处估计的第三组参考数据,并将第二输出轨迹与第一输出迹线进行比较,以确定第二输出轨迹和第一输出轨迹之间的变化是否小于预定值。