US 6,906,981 B2
Method and system for acquiring marine seismic data using multiple seismic sourcesGeneral
US 6,906,981 B2
Method and system for acquiring marine seismic data using multiple seismic sources
Tech Center:
3600 Transportation, Construction, Electronic Commerce, Agriculture, National Security and License and Review
Examiner:
Nelson Moskowitz
Art Unit:
3663 Computerized Vehicle Controls and Navigation, Radio Wave, Optical and Acoustic Wave Communication, Robotics, and Nuclear Systems
Agent:
Inventors:
Svein Toreif Vaage
Assignee:
Priority:
07/17/02
Filed:
07/17/02
Granted:
06/14/05
Expiration:
03/28/23
Abstract
A method for seismic surveying is disclosed which includes towing a first seismic energy source and at least one seismic sensor system. A second seismic energy source is towed at a selected distance from the first source. The first seismic energy source and the second seismic energy source are actuated in a plurality of firing sequences. Each of the firing sequences includes firing of the first source, waiting a selected time firing the second source and recording signals generated by the seismic sensor system. The selected time between firing the first source and the second source is varied between successive ones of the firing sequences. The firing times of the first and second source are indexed so as to enable separate identification of seismic events originating from the first source and seismic events originating from the second source in detected seismic signals.
Cooperative Patent Classification (CPC)
G01G01V1/3808G01V