Electrooptical sensor system for marine seismic data...

Details Electrooptical sensor system for marine seismic data... Electrooptical sensor system for marine seismic data...

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G01V 1/38 (2006.01) G01H 9/00 (2006.01) G01S 15/88 (2006.01) G01S 17/88 (2006.01)

Patent

CA 2075997

2075997 9113373 PCTABS00007 The present invention concerns a system for detecting and acquiring marine seismic data generated by conventional seismic signal sources. The system consists of an electrooptic sensor (1) and a signal processor (10). The electrooptic sensor emits light energy which when reflected from the scanned sea surface (4) is frequency shifted by movements in the water surface, created due to incoming seismic pressure waves (3). The reflected light signal is received separately from each surface part (12) by the electrooptic sensor, processed in the signal processor and recorded in a data recorder (11). This system entails that the activity of mapping underground formations at sea can be done without using seismic streamer cables.

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