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    • 9. 发明授权
    • Methods for acquiring and processing seismic data
    • 地震数据采集和处理方法
    • US5924049A
    • 1999-07-13
    • US16679
    • 1998-01-30
    • Craig J. BeasleyRonald E. Chambers
    • Craig J. BeasleyRonald E. Chambers
    • G01V1/00G01V1/02G01V1/38G06F19/00
    • G01V1/006G01V1/003G01V1/38G01V1/3861
    • A method for acquiring and processing seismic survey data from two or more seismic sources activated simultaneously or nearly simultaneously or for a single source moved to and fired at different locations. In one aspect such a method includes acquiring seismic survey trace data generated by the source or sources, attaching source geometry to the traces, soring the traces according to a common feature thereof, (e.g. to CMP order), interpolating data points for discontinuities on the traces, selecting two halves or two portions slightly more than half of the traces, filtering the trace data for each of the two portions to filter out data related to a second one of the two seismic sources, reducing the filtered trace data to two halves of the data and deleting interpolated data, and then merging the two halves to produce refined useful seismic data related to a first one of the seismic sources. In one aspect the method includes re-processing the data and filtering out the trace data for the second seismic source to produce refined useful seismic data related to the second seismic source. In one aspect the sources are fired temporally close together and, in one particular aspect, they are fired substantially simultaneously.
    • 一种用于从同时或接近同时激活的两个或更多个地震源获取和处理地震勘测数据的方法,或用于在不同位置移动和发射的单个源。 在一个方面,这种方法包括采集由源或源产生的地震勘测迹线数据,将源几何附加到轨迹上,根据其公共特征(例如,CMP顺序)对迹线进行排序,内插用于不连续性的数据点 轨迹,选择稍微超过一半轨迹的两半或两个部分,对两个部分中的每一个部分的跟踪数据进行滤波,以滤除与两个地震源中的第二个相关的数据,将经过滤的跟踪数据减少到两 数据和删除内插数据,然后合并两半以产生与第一个震源相关的精细有用的地震数据。 在一个方面,该方法包括重新处理数据并滤出第二震源的轨迹数据,以产生与第二震源有关的精细有用地震数据。 在一个方面,源在时间上靠近在一起被激发,并且在一个特定方面,它们基本上同时燃烧。