Method and system for determining source signatures after source ghost removal
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United States of America Patent
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Aug 9, 2016
Grant Date -
Aug 8, 2013
app pub date -
Feb 7, 2012
filing date -
Feb 7, 2012
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Abstract
Seismic data are acquired using a seismic source comprising a plurality of seismic sub-sources disposed in a body of water at a plurality of depths and activated with different time delays. Far-field signatures are determined for the plurality of seismic sub-sources at each of the plurality of depths. A composite ghost-free far-field signature of the seismic source is determined from the far-field signatures for the plurality of seismic sub-sources at each of the plurality of depths and different time delays. A source response is removed from the seismic data using the far-field signatures of the seismic source.
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