Processing for seismic data from slanted cable

Details Processing for seismic data from slanted cable Processing for seismic data from slanted cable

1988-10-21

1991-02-12

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367 24, 181110, G01V 136, G01V 138

Patent

active

049929925

ABSTRACT:
Marine seismic data is gathered using a cable towed behind a cable having a slanted orientation in the water. The recorded data is processed to remove the time offset in the recorded data of seismic signals arriving at the cable at varying plane wave angles. In a preferred embodiment of the invention, the recorded data is then processed to align the primary signals, thereby misaligning the ghost signals. The data is also processed to align the ghost signals, thereby misaligning the primary signals. The two resulting data sets may then be summed.

REFERENCES:
patent: 4254480 (1981-03-01), French
patent: 4319347 (1982-03-01), Savit
patent: 4353121 (1982-10-01), Ray et al.
patent: 4644508 (1987-02-01), Zachariadis

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