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    • 32. 发明授权
    • Removing ground-roll from geophysical data
    • 从地球物理数据中删除地面卷
    • US08417458B2
    • 2013-04-09
    • US12848534
    • 2010-08-02
    • David Fraser HallidayAndrew Curtis
    • David Fraser HallidayAndrew Curtis
    • G01V1/00G01V1/28
    • G01V1/36G01V2210/32
    • A method for processing geophysical data. The method includes generating a model from geophysical data acquired at a receiver location and one or more boundary receiver locations. After generating the model, the method applies a forward modeling algorithm using information from the model to generate a modeled estimate of a direct ground roll between the receiver location and each boundary receiver location. The method then estimates a ground roll between a source location and each boundary receiver location. Using the modeled estimate of a direct ground roll between the receiver location and each boundary receiver location and the estimate of the ground roll between a source location and each boundary receiver location, the method applies interferometry between the estimate of the ground roll between the source location and each boundary receiver location and the modeled estimate of the direct ground roll between the receiver location and each boundary receiver location to generate an interferometric estimate of a ground roll between the source location and the receiver location. The method then removes the interferometric estimate of the ground roll between the source location and the receiver location from geophysical data acquired at the receiver location due to a source at the source location.
    • 一种处理地球物理数据的方法。 该方法包括从接收器位置和一个或多个边界接收器位置处获取的地球物理数据生成模型。 在生成模型之后,该方法使用来自模型的信息的正向建模算法来生成接收器位置和每个边界接收器位置之间的直接地面滚动的建模估计。 该方法然后估计源位置和每个边界接收器位置之间的地面滚动。 使用在接收器位置和每个边界接收器位置之间的直接地面滚动的建模估计和源位置与每个边界接收器位置之间的地面滚动的估计,该方法在源位置之间的地面滚动的估计之间应用干涉测量 以及每个边界接收器位置和接收器位置与每个边界接收器位置之间的直接地面滚动的建模估计,以产生源位置和接收器位置之间的地面滚动的干涉估计。 该方法然后由于在源位置处的源,从在接收器位置处获取的地球物理数据中去除源位置和接收器位置之间的地面滚动的干涉估计。
    • 35. 发明申请
    • Removing Ground-Roll from Geophysical Data
    • 从地球物理数据中去除地面卷
    • US20110046886A1
    • 2011-02-24
    • US12848534
    • 2010-08-02
    • David Fraser HallidayAndrew Curtis
    • David Fraser HallidayAndrew Curtis
    • G01V1/28
    • G01V1/36G01V2210/32
    • A method for processing geophysical data. The method includes generating a model from geophysical data acquired at a receiver location and one or more boundary receiver locations. After generating the model, the method applies a forward modeling algorithm using information from the model to generate a modeled estimate of a direct ground roll between the receiver location and each boundary receiver location. The method then estimates a ground roll between a source location and each boundary receiver location. Using the modeled estimate of a direct ground roll between the receiver location and each boundary receiver location and the estimate of the ground roll between a source location and each boundary receiver location, the method applies interferometry between the estimate of the ground roll between the source location and each boundary receiver location and the modeled estimate of the direct ground roll between the receiver location and each boundary receiver location to generate an interferometric estimate of a ground roll between the source location and the receiver location. The method then removes the interferometric estimate of the ground roll between the source location and the receiver location from geophysical data acquired at the receiver location due to a source at the source location.
    • 一种处理地球物理数据的方法。 该方法包括从接收器位置和一个或多个边界接收器位置处获取的地球物理数据生成模型。 在生成模型之后,该方法使用来自模型的信息的正向建模算法来生成接收器位置和每个边界接收器位置之间的直接地面滚动的建模估计。 该方法然后估计源位置和每个边界接收器位置之间的地面滚动。 使用在接收器位置和每个边界接收器位置之间的直接地面滚动的建模估计和源位置与每个边界接收器位置之间的地面滚动的估计,该方法在源位置之间的地面滚动的估计之间应用干涉测量 以及每个边界接收器位置和接收器位置与每个边界接收器位置之间的直接地面滚动的建模估计,以产生源位置和接收器位置之间的地面滚动的干涉估计。 该方法然后由于在源位置处的源,从在接收器位置处获取的地球物理数据中去除源位置和接收器位置之间的地面辊的干涉估计。
    • 38. 发明授权
    • Method of and apparatus for processing seismic data
    • 地震数据处理方法及装置
    • US07418349B2
    • 2008-08-26
    • US10502451
    • 2003-01-20
    • Johan Olof Anders RobertssonAndrew CurtisDirk-Jan Van Manen
    • Johan Olof Anders RobertssonAndrew CurtisDirk-Jan Van Manen
    • G01V1/00G01V1/38
    • G01V1/286G01V1/362G01V2210/53
    • A method of processing seismic data that includes including first and second modes of seismic energy where the second mode has been generated by partial mode conversion of the first mode at a boundary face of a layer of the seabed includes the step of cross-correlating a trace acquired at a receiver and including events corresponding to the first mode with a trace acquired at the same receiver and including events corresponding to the second mode. An event in the cross-correlated data that corresponds to partial mode conversion is identified, and the amplitude of this event is normalized, for example relative to the amplitude of the peak in the cross-correlogram at zero time delay. Information about the effects of the static shift produced by the layer and/or about vector infidelity can be arrived from normalized cross-correlograms for receivers in a receiver array.
    • 一种处理地震数据的方法,包括包括地震能量的第一和第二模式,其中通过在海底层的边界面处的第一模式的部分模式转换已经产生第二模式,包括将迹线互相关的步骤 在接收机处获取并且包括与在第一模式相对应的事件,其中在同一接收机处获取的跟踪包括与第二模式对应的事件。 识别对应于部分模式转换的交叉相关数据中的事件,并且该事件的幅度例如相对于零时间延迟的交叉相关中的峰值的幅度被归一化。 关于由层产生的静态移位和/或关于向量不忠的影响的信息可以从接收机阵列中的接收机的标准化交叉相关图得出。