Method and apparatus for guiding seismic acquisition equipment

Details Method and apparatus for guiding seismic acquisition equipment Method and apparatus for guiding seismic acquisition equipment

2011-06-21

2011-06-21

Hughes, Scott A (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

C367S019000

Reexamination Certificate

active

07965583

ABSTRACT:
The invention relates to a method for acquiring seismic data at a plurality of positions spread out over a zone on the seabed which includes transmitting acoustic waves in the water layer above the zone by a plurality of sources, —for each of the acquisition positions, dropping from the surface a seismic acquisition equipment, the equipment comprising a seismic acquisition unit and autonomous guiding equipment adapted to receive whilst descending acoustic signals from the sources and to control its trajectory according to the received acoustic signals so as to direct said equipment towards said position, —performing the seismic acquisition, —causing the acquisition equipments to move up to the surface, and —retrieving the acquisition equipments on the surface.

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