Method for processing at least two sets of seismic data

G - Physics – 01 – V

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G01V 1/30 (2006.01) G01V 1/36 (2006.01)

Patent

CA 2587947

This invention relates to a method for processing at least two seismic data sets (10, 20), each data set comprising several seismic traces (i, j) grouped by bins (Bi, Bj) and by offset classes (Oi, Oj), the method including the following steps: calculating at least one attribute (a(i, j)) characteristic of a similarity between a first trace (i) of a first data set (10) and a second trace (j) of a second data set (20), selecting or not the first and second traces (i, j) according to a selection criterion applied to the calculated attribute (a(i, j) ).

L'invention concerne un procédé pour traiter au moins deux ensembles de données sismiques (10, 20), chaque ensemble de données comprenant plusieurs traces sismiques (i, j) qui sont regroupées par cellules élémentaires imagées (Bi, Bj) et classes de décalage (Oi, Oj). Le procédé selon l'invention consiste : à calculer au moins un attribut (a(i, j)) qui est caractéristique d'une similarité entre une première trace (i) d'un premier ensemble de données (10) et une deuxième trace (j) d'un deuxième ensemble de données (20), et ; à sélectionner ou non la première et la deuxième trace (i, j), en fonction d'un critère de sélection qui est appliqué à l'attribut calculé (a(i, j)).

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