Methods and systems that attenuate noise in seismic data

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United States of America Patent

PATENT NO 10073183
APP PUB NO 20160109594A1
SERIAL NO

14820415

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and systems that attenuate noise in seismic data. In one aspect, noise attenuation methods iteratively generate a low-speed noise model of low-speed noise recorded in the seismic data. The seismic data is arranged into a sparse seismic-data matrix. Low-speed noise refers to noise that propagates at speeds less the speed of sound in water. The low-speed noise model includes the low-speed noise and includes interpolated low-speed noise that approximates portions of the low-speed noise typically affected by spatial aliasing and streamer surface irregularities. The low-speed noise model may be subtracted from the sparse seismic-data matrix to obtain a noise-attenuated sparse seismic-data matrix.

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Patent Owner(s)

  • PGS GEOPHYSICAL AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hegna, Stian Oslo, NO 57 555

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