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    • 6. 发明申请
    • Passive seismic event detection
    • 被动地震事件检测
    • US20060285438A1
    • 2006-12-21
    • US10561356
    • 2004-06-17
    • Stephen ArrowsmithLeo Eisner
    • Stephen ArrowsmithLeo Eisner
    • G01V1/28
    • G01V1/288G01V2210/123
    • A method of identifying passive seismic events in seismic data that contains at least first seismic data traces acquired at a first seismic receiver and second seismic data traces acquired at a second receiver spatially separated from the first receiver comprises determining an overall measure of similarity for a pair of events in the seismic traces. The overall measure of similarity is indicative of similarity between the events acquired at the first seismic receiver and of similarity between the events acquired at the second seismic receiver. In one method, the overall measure of similarity is an overall cross-correlation coefficient. The overall cross-correlation coefficient is found by determining a first correlation coefficient for the pair of events from the data acquired at the first receiver and determining a second correlation coefficient for the pair of events from the data acquired at the second receiver. The overall correlation coefficient for the pair of events may be obtained from the first correlation coefficient and the second correlation coefficient by an averaging process. The overall measure of similarity may be compared with a threshold to determine whether the pair of events form a doublet. The method makes possible real-time or near-real-time identification of doublets.
    • 一种识别地震数据中的被动地震事件的方法,其包含在第一地震接收器处获取的至少第一地震数据迹线和在与第一接收机空间分离的第二接收机处获取的第二地震数据迹线包括确定一对的相似度的总体度量 的地震痕迹中的事件。 相似度的总体度量指示在第一地震接收机处获取的事件之间的相似性以及在第二地震接收机处获取的事件之间的相似性。 在一种方法中,相似度的总体度量是整体互相关系数。 通过从在第一接收机处获取的数据确定一对事件的第一相关系数,并根据在第二接收机获取的数据确定该对事件对的第二相关系数,找出整体互相关系数。 可以通过平均处理从第一相关系数和第二相关系数获得对事件对的总体相关系数。 可以将相似度的总体度量与阈值进行比较,以确定该对事件是否形成双峰。 该方法使得可以实时或接近实时地识别双峰。
    • 9. 发明授权
    • Passive seismic event detection
    • 被动地震事件检测
    • US07660198B2
    • 2010-02-09
    • US10561356
    • 2004-06-17
    • Stephen ArrowsmithLeo Eisner
    • Stephen ArrowsmithLeo Eisner
    • G01V1/30
    • G01V1/288G01V2210/123
    • A method of identifying passive seismic events in seismic data that contains at least first seismic data traces acquired at a first seismic receiver and second seismic data traces acquired at a second receiver spatially separated from the first receiver comprises determining an overall measure of similarity for a pair of events in the seismic traces. The overall measure of similarity is indicative of similarity between the events acquired at the first seismic receiver and of similarity between the events acquired at the second seismic receiver. In one method, the overall measure of similarity is an overall cross-correlation coefficient. The overall cross-correlation coefficient is found by determining a first correlation coefficient for the pair of events from the data acquired at the first receiver and determining a second correlation coefficient for the pair of events from the data acquired at the second receiver. The overall correlation coefficient for the pair of events may be obtained from the first correlation coefficient and the second correlation coefficient by an averaging process. The overall measure of similarity may be compared with a threshold to determine whether the pair of events form a doublet. The method makes possible real-time or near-real-time identification of doublets.
    • 一种识别地震数据中的被动地震事件的方法,其包含在第一地震接收器处获取的至少第一地震数据迹线和在与第一接收机空间分离的第二接收机处获取的第二地震数据迹线包括确定一对的相似度的总体度量 的地震痕迹中的事件。 相似度的总体度量指示在第一地震接收机处获取的事件之间的相似性以及在第二地震接收机处获取的事件之间的相似性。 在一种方法中,相似度的总体度量是整体互相关系数。 通过从在第一接收机处获取的数据确定一对事件的第一相关系数,并根据在第二接收机获取的数据确定该对事件对的第二相关系数,找出整体互相关系数。 可以通过平均处理从第一相关系数和第二相关系数获得对事件对的总体相关系数。 可以将相似度的总体度量与阈值进行比较,以确定该对事件是否形成双峰。 该方法使得可以实时或接近实时地识别双峰。