G - Physics – 01 – V
Patent
G - Physics
01
V
349/16
G01V 1/28 (2006.01) G01V 1/00 (2006.01)
Patent
CA 1190311
A METHOD OF SEISMIC EXPLORATION Abstract of the Disclosure Seismic exploration on land and on ocean beds is performed by emitting vibrational acoustic signals of long time-duration within a desired frequency spectrum at one or a number of points, the signals corresponding to the waves received from the reflectors being then processed. The method further consists in forming the complex spectrum of the received signal corresponding to the emitted signal in respect of each frequency band, in forming the complex spectrum of a reference of the emitted signal in respect of each frequency band and in dividing the complex spectrum of the received signal by the complex spectrum of the reference of the emitted signal, at least an external portion of each complex spectrum being eliminated in the case of each complex spectrum. -1-
305977
Gros Pierre
Millouet Jean
Staron Philippe
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Societe Nationale Elf Aquitaine
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