Method and system for separating seismic sources in marine simultaneous shooting acquisition
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United States of America Patent
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Apr 17, 2018
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app pub date -
Jun 24, 2015
filing date -
Nov 10, 2011
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Abstract
Seismic data are obtained by recording simultaneously in seismic streamer, acquired by activating approximately simultaneously two or more seismic sources towed at two positions in the vicinity of seismic streamers. A residual is updated iteratively for an inversion solution for the activations of the two or more seismic sources. The iterative updating of the residuals utilizes a sequence of overlapping temporal windows containing reflection events and utilizes normal moveout corrections based on largest reflection events in each temporal window. A final updated residual is added to a final updated model result.
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