Patent ID: 9604701
Date: 2017-03-28
CPC Classifications: B63B,G01V

Claim:
1. A marine seismic surveying apparatus for obstructed waters, the apparatus comprising: a deployed device disposed at an end of a seismic streamer and towed below a surface of water; at least one buoy extending from the end of the seismic streamer to a surface of the water; at least one coupling connecting the at least one buoy to the end of the seismic streamer and being breakable due to tension from the at least one buoy obstructed at the surface of the water; and at least one receiver associated with the buoy and obtaining location information via the at least one buoy at the surface of the water, wherein the deployed device comprises an inertial navigation system reckoning location of the deployed device in the water in place of the location information obtained with the at least one receiver.