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    • 4. 发明授权
    • Method for compensating for the effect of irregular spatial sampling and illumination of reflectors in seismic exploration
    • 用于补偿地震勘探中反射体不规则空间采样和照明效果的方法
    • US06418379B1
    • 2002-07-09
    • US09536902
    • 2000-03-28
    • Robert BloorUwe Albertin
    • Robert BloorUwe Albertin
    • G06F1900
    • G01V1/28G01V2210/51G01V2210/58
    • This invention provides a method for analyzing and compensating for the deleterious effects of irregular illumination of the subsurface due to velocity variations in the subsurface and of irregular spatial sampling of seismic data. For a processing operator, like Kirchoff migration for seismic data, a conventional migration operation is carried out. The output points are analyzed for sampling artifacts caused by irregular surface sampling of the data and those due to ray path distortions. An inverse sampling operator or a filtering operator is determined that is related to dip dependent attributes at the image location. Application of the inverse sampling operator or filtering operator along with the migration or other processing operator to the seismic data compensates for the effects of irregular sampling and of raypath distortion.
    • 本发明提供了一种用于分析和补偿由于地下速度变化和地震数据的不规则空间采样造成的地下不规则照明的有害影响的方法。 对于诸如Kirchoff迁移用于地震数据的处理操作者,进行常规的迁移操作。 对输出点进行数据的不规则表面采样引起的采样伪影和由于光线路径失真导致的采样伪影。 确定与图像位置处的倾斜相关属性相关的逆采样算子或滤波算子。 逆采样算子或滤波算子以及迁移或其他处理算子对地震数据的应用补偿了不规则采样和射线路径失真的影响。
    • 8. 发明授权
    • Apparatus for generating seismic signals having distinguishing signatures
    • 用于产生具有区别特征的地震信号的装置
    • US08462589B2
    • 2013-06-11
    • US12645835
    • 2009-12-23
    • Gary A. SittonRobert BloorJ. MacDonald Smith
    • Gary A. SittonRobert BloorJ. MacDonald Smith
    • G01V1/04
    • G01V1/005
    • A seismic system has a plurality of seismic sources. Each of the seismic sources includes a reaction mass movable with respect to a geological structure and includes an actuator moving the reaction mass. The movement of the reaction mass emits a source signal as seismic energy into the geological structure. In the system, each of the source signals is generated from a base vibratory signal segmented into a plurality of segments, where the base vibratory signal sweeps from an initial frequency to a final frequency. Each of the segments has a partition of sweep frequencies different from the other segments. Each of the source signals has a distinguishing arrangement of the segments different from the other source signals.
    • 地震系统具有多个震源。 每个震源包括相对于地质结构可移动的反作用质量块,并且包括致动器移动反作用物质。 反应物质的运动将地震能量的源信号发射到地质结构中。 在该系统中,源信号中的每一个从被分割成多个段的基本振动信号产生,其中基本振动信号从初始频率扫描到最终频率。 每个段具有与其他段不同的扫频的分区。 每个源信号具有与其它源信号不同的段的区别布置。