Attenuating seismic interference noise using a dual sensor...

Details Attenuating seismic interference noise using a dual sensor... Attenuating seismic interference noise using a dual sensor...

G - Physics

01

V

G01V 1/36 (2006.01)

Patent

CA 2733220

A method for attenuating noise in marine seismic signals includes cross ghosting pressure responsive marine seismic signals and contemporaneously acquired motion responsive marine seismic signals. A difference is deter-mined between the cross ghosted signals. The dif-ference is used to attenuate noise in at least one of the pressure responsive signals and the motion responsive signals.

L'invention porte sur un procédé d'atténuation d'un bruit dans des signaux sismiques marins, qui consiste à assurer la décorrélation ("cross ghosting"), par des signaux sismiques marins sensibles à la pression, de signaux sismiques marins d'acquisition contemporaine sensibles au mouvement. Une différence est déterminée entre les signaux décorrélés. La différence est utilisée pour atténuer un bruit soit dans les signaux sensibles à la pression soit dans les signaux sensibles au mouvement.

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