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Device and method for positioning of towing systems for use in marine seismic surveys

  • US 5,532,975 A
  • Filed: 02/08/1994
  • Issued: 07/02/1996
  • Est. Priority Date: 02/23/1993
  • Status: Expired due to Term
First Claim
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1. A device for positioning of seismic equipment in a desired underwater position when towed by a seismic vessel, said device including a mechanism for placement underwater and for maintaining said desired underwater position, said mechanism comprising:

  • a body part equipped with wings and rudders,a control body for controlling the wings and rudders so as to achieve said desired underwater position,instruments for use in positioning the device in said desired underwater position,a communication system for communicating between the seismic vessel and the device,a control unit for processing signals which operate on the basis of information from at least one of two locations, said two locations consisting of the seismic vessel and said instrumentsan attachment device for at least one cable and at least one float, anda power supply system.

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