Method of wavefield extrapolation for single-station,...

Details Method of wavefield extrapolation for single-station,... Method of wavefield extrapolation for single-station,...

2011-04-19

2011-04-19

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

C367S021000

Reexamination Certificate

active

07929373

ABSTRACT:
A time-dependent arrival angle is determined at a single receiver station in a towed streamer. Up-going and down-going pressure wavefields are calculated from pressure and vertical particle velocity wavefields measured at the receiver station. Extrapolated up-going and down-going pressure wavefields are generated from the up-going and down-going pressure wavefields displaced by a time delay based upon the time-dependent arrival angle.

REFERENCES:
patent: 7359283 (2008-04-01), Vaage et al.
patent: 7616523 (2009-11-01), Tabti et al.
patent: 2008/0192571 (2008-08-01), Vaage et al.
Lasse Amundsen, “Wavenumber-based filtering of marine point-source data”, Geophysics, vol. 58, No. 9, Sep. 1993, p. 1335-1348.

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