Marine-seismic streamer having a device for damping vibrations

Details Marine-seismic streamer having a device for damping vibrations Marine-seismic streamer having a device for damping vibrations

G - Physics

01

V

G01V 1/38 (2006.01) G01V 1/20 (2006.01)

Patent

CA 2092665

The invention relates to a marine-seismic streamer having a liquid-filled tube (4) in which there are arranged, in the longitudinal direction, hauling cables (3), flow-obstructing devices containing shaped pieces (2) which are spaced apart in the longitudinal direction, for dividing the streamer into sections and hydrophones (5). According to the invention, the shaped pieces (2) are of cylindrical construction with an outside diameter smaller than the inside diameter of the tube (4), such that an annular gap (9) is formed between the tube (4) and the shaped piece (2). The shaped pieces (2) have at least one annular seal (10), the outer diameter of the annular seal (10) corresponding to the inside diameter of the tube (4).

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