Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1993-05-27
1996-12-10
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 49, 36441318, 364421, G01V 128, G01V 140, H03H 1700
Patent
active
055838260
ABSTRACT:
The present invention relates to a method of extrapolating a set of traces recorded by means of an array of sensors, in the context of a geophysical prospecting process, the method comprising the steps consisting in: i) approximating a minus Laplacian L.sub.0 (k.sub.x,k.sub.y)=k.sub.x.sup.2 +k.sub.y.sup.2 by the sum of two one-dimensional filters; and ii) approximating an extrapolation operator F.sub.0 by a polynomial of the minus Laplacian L.sub.0. The invention also provides a system for geophysical prospecting.
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Compagnie Generale de Geophysique
Moskowitz Nelson
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