Seismic streamer with irregularly spaced hydrophones

Details Seismic streamer with irregularly spaced hydrophones Seismic streamer with irregularly spaced hydrophones

G - Physics

01

V

G01V 1/20 (2006.01)

Patent

CA 2687030

A seismic streamer and a method for positioning a group of hydrophones in a seismic streamer. The hydrophones in a group are spaced irregularly along the length of the streamer to reduce the influence of bulge-wave noise and flow noise on the hydrophone group response. The irregular spacing may be produced as pseudorandom deviations of the actual positions of the hydrophones from a nominal uniform spacing of hydrophones.

L'invention concerne une flûte sismique et un procédé pour positionner un groupe d'hydrophones dans une flûte sismique. Les hydrophones en groupe sont espacés de manière irrégulière le long de la flûte pour réduire l'influence d'un bruit d'onde de renflement et d'un bruit d'écoulement sur la réponse du groupe d'hydrophones. L'espacement irrégulier peut être produit sous forme de déviations pseudo-aléatoires des positions réelles des hydrophones à partir d'un espacement uniforme nominal des hydrophones.

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