Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1991-07-03
1995-07-04
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 56, G01V 138
Patent
active
054306892
ABSTRACT:
A method of performing a marine seismic survey is disclosed Seismic receivers, either hydrophones or geophones, are deployed in a set of parallel lines in the survey area. The acoustic energy is generated from a conventional marine seismic source towed by a vessel traveling in paths which are substantially perpendicular to the lines of receiver stations. The paths may pass over the lines of receiver stations, and may also pass outside of the receiver area. Alternative embodiments are disclosed which include sequencing of multiple sets of receiver station lines with one another, so that shots fired along different segments of the path correspond to the different sets of receiver stations. In addition, multiple sources may be towed and alternatively fired, to improve the survey efficiency.
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Henderson Gerald J.
Musser James A.
Rigsby Peter G.
Atlantic Richfield Company
Lobo Ian J.
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