Device and method for denoising ocean bottom data
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United States of America Patent
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Sep 20, 2016
Grant Date -
Jun 27, 2013
app pub date -
Oct 31, 2012
filing date -
Dec 27, 2011
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Abstract
Computing device, computer instructions and method for denoising marine seismic data recorded with first and second seismic sensors. The method includes receiving first seismic data recorded with the first sensor in a time-space domain; receiving second seismic data recorded with the second sensor in the time-space domain, wherein the first and second seismic data are recorded at the same locations underwater; calculating with a processor models of the first and second seismic data in a transform domain that is different from the time-space domain; performing a wavefield separation using the first and second datasets in the transform domain; determining a noise in the transform domain corresponding to the second seismic data based on the wavefield separation; reverse transforming the noise from the transform domain into the time-space domain; and denoising the second seismic data by subtracting the noise in the time-space domain from the second seismic data.
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