Deflector devices

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 21/66 (2006.01) G01V 1/38 (2006.01)

Patent

CA 2423684

A deflector for offsetting a streamer being towed by its lead-in by a seismic survey vessel comprises a wing-shaped body which is coupled to the lead-in and shaped to produce a sideways force which urges the lead-in laterally with respect to the direction of movement of the vessel. A boom extends rearwardly from the wing-shaped body, and forms part of an arrangement by which the angle of the wing-shaped body in the water, and therefore the sideways force produced by it, can be varied. The upper end of the wing-shaped body is directly connected to the underside of an elongate float.

L'invention concerne un déflecteur permettant de décaler une flûte étant remorquée par ses bornes de connexion, par un bâtiment hydrographique sismique comprend un corps en forme d'aile couplé aux bornes de connexion et conçu de manière à produire une force latérale poussant les bornes de connexion de façon latérale par rapport à la direction de déplacement du bâtiment. Un bang s'étend vers l'arrière à partir du corps en forme d'aile et forme une partie d'un agencement au moyen duquel l'angle dudit corps dans l'eau, et par conséquent la force latérale produite par celui-ci, peuvent être modifiés. L'extrémité supérieure du corps en forme d'ail est directement relié au dessous d'un flotteur allongé.

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