Control devices for controlling the position of a marine seismic streamer

  • US 6,671,223 B2
  • Filed: 06/26/2001
  • Issued: 12/30/2003
  • Est. Priority Date: 12/20/1996
  • Status: Active Grant
First Claim
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1. A control device for controlling the position of a marine seismic streamer, the device comprising:

  • a body mechanically adapted to be connected in series between two adjacent sections of the streamer;

    sensor means in the body for determining its angular position in a plane approximately perpendicular to the longitudinal axis of the streamer;

    two opposed control surfaces projecting outwardly form the body, each control surface being rotatable about an axis which extends transversely of the streamer; and

    control means responsive to control signals and the sensor means for independently adjusting the respective angular positions of said two control surfaces so as to control the lateral position of the streamer as well as its depth.

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