G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 1/36 (2006.01)
Patent
CA 2537670
A method for reducing aliasing while removing positioning errors of seismic data comprising: applying a first moveout correction to the seismic data; applying a second moveout correction to a spatial skew correction, wherein the second moveout correction is related to the first moveout correction; applying the moveout-corrected spatial skew correction to the seismic data; and applying an inverse moveout correction to the seismic data, wherein the inverse moveout correction is related to the first moveout correction.
L'invention concerne un procédé de réduction du repliement du spectre, tout en éliminant des erreurs de positionnement des données sismiques, procédé comprenant les étapes suivantes : application d'une première correction delta-t aux données sismiques ; application d'une seconde correction delta-t à une correction d'obliquité spatiale, cette seconde correction delta-t étant apparentée à la première correction delta-t ; application de la correction d'obliquité spatiale, corrigée delta-t, aux données sismiques ; et application d'une correction delta-t inverse aux données sismiques, la correction delta-t inverse se rapportant à la première correction delta-t.
Smart & Biggar
Westerngeco Canada
LandOfFree
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