Seismic data processing including predicting multiples using a reverse time demigration
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United States of America Patent
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Sep 20, 2016
Grant Date -
Oct 24, 2013
app pub date -
Apr 11, 2013
filing date -
Apr 19, 2012
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Abstract
Methods and systems for generating a stable reverse time demigration (RTDM) equation for predicting wave phenomena such as reflections, refractions and multiples are described. A coupling term is added to an RTDM equation and reflectivity associated with the coupling term is replaced with a pseudo-density function derived from a nonlinear equation. The resultant coupled and stabilized RTDM equation is then used to predict the desired wave phenomena based on the applied seismic image.
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