Patent ID: 6932185
Filing Date: 2005-08-23
Classification: G01V

Abstract:
1. A method of seismic exploration of an underwater geologic formation comprising: laying, at a bottom of a water body, at spaced apart locations, at least one passive reception station and locating respective positions of each passive reception station in relation to known positions at a water surface, each passive reception station including pickups coupled to the geologic formation for receiving geologic formation; laying, at the bottom of the water body, in a vicinity of the at least one passive reception stations, at least one active acquisition station which acquires and records signals received by the pickups of the at least one passive reception station in a vicinity thereof coupled thereto and with the geologic formation, for a time required to carry out at least one acquisition and recording session of the signals; and transferring data accumulated by each active acquisition station to a central collection laboratory.