Marine seismic source

Details Marine seismic source Marine seismic source

H - Electricity

04

B

H04B 11/00 (2006.01) B64B 1/34 (2006.01) G01V 1/135 (2006.01) G01V 1/36 (2006.01)

Patent

CA 2272706

A seismic acoustic signal source (36) includes a hull (30) that has a wetted surface in contact with a body water (16). When underway, the draft of the hull (30) is substantially zero. An acoustic signal generator (36) is provided with a linear actuator (39) that is resiliently mounted in the hull. The linear actuator (39) is acoustically coupled to the bottom such that when the signal generator (36) is activated, the hull (30) radiates an acoustic wavefield (28) into the water (16).

L'invention concerne une source (36) de signaux acoustiques sismiques, comprenant une coque (30) qui présente une surface mouillée en contact avec une masse d'eau (16). En mer, la traînée de la coque (30) est sensiblement nulle. Un générateur (36) de signaux acoustiques comporte un actionneur linéaire (39) monté résilient à l'intérieur de la coque. L'actionneur linéaire (39) est, sur le plan acoustique, couplé avec le fond de la coque, de façon que quand le générateur (36) de signaux est activé, la coque (30) rayonne dans l'eau un champ (28) d'ondes sonores.

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