Method for decimating seismic traces driven by the seismic path
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United States of America Patent
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Mar 8, 2005
Grant Date -
Apr 8, 2004
app pub date -
May 6, 2003
filing date -
May 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for decimating seismic traces in an acquisition of 3D data, recording, for each trace, the corresponding source-receiver couple coordinates (S.sub.a1, R.sub.a1), positioning on a decimation grid (D), divided into cells, the source-receiver couple that corresponds to each trace, regrouping all source-receiver couples into iso-path trace collections, where each collection regroups the traces whose seismic paths are identical or similar, organizing the traces in each iso-path collection, and selecting the first trace in each iso-path collection.
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