Wavefield regularization by 3-D wavefield decomposition for geophysical data

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United States of America Patent

PATENT NO 9322944
APP PUB NO 20140278114A1
SERIAL NO

13900207

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Abstract

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One embodiment relates to a method of wavefield regularization for geophysical data acquisition of seismic geophysical data. Measured traces, are obtained from an array of sensors. For each grid point on a processing grid, best-fitting traces of the measured traces are found. Using the best-fitting traces, spectral amplitudes of down-going and up-going wavefields are computed. The down-going and up-going wavefields are subsequently transformed to an output grid in a space-time domain. Another embodiment relates to an apparatus for wavefield regularization of geophysical data acquisition. Other embodiments, aspects and features are also disclosed.

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Patent Owner(s)

  • PGS GEOPHYSICAL AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hegge, Robertus F Rijswijk, NL 10 54
van, Borselen Roald G Voorschoten, NL 14 163

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