Device and method for deghosting seismic data using sparse tau-p inversion
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United States of America Patent
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Jul 9, 2019
Grant Date -
Nov 10, 2016
app pub date -
Jan 8, 2015
filing date -
Jan 13, 2014
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Abstract
Computing device, computer instructions and method for improving accuracy of an image of a surveyed subsurface. The method includes a step of receiving seismic data (D) recorded with seismic sensors; a step of deghosting the seismic data (D) using a sparseT-Pinversion algorithm together with a low-rank optimization scheme and a high-cut filter to calculate ghost-free wave-fields (U0(t,x,y)) in the time-space domain; and a step of processing the ghost-free wave-fields (U0(t,x,y)) to generate the image of the surveyed subsurface.
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