Method for decimating seismic traces driven by the seismic path

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science

Reexamination Certificate

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C703S005000

Reexamination Certificate

active

06865487

ABSTRACT:
A method for decimating seismic traces in an acquisition of 3D data, recording, for each trace, the corresponding source-receiver couple coordinates (Sa1, Ra1), 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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