DEVICE AND METHOD FOR SYNCHRONIZED MARINE ACQUISITION WITH REDUCED INTERFERENCE NOISE
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Jun 10, 2013
filing date -
Jul 31, 2012
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Abstract
Method that acquires seismic data in a region having time restrictions. The method includes deploying first and second seismic vessels having first and second seismic sources, respectively; separating the first and second seismic sources from each other by a predetermined distance d; towing the first and second seismic sources across the region while maintaining the predetermined distance d; shooting simultaneously the first and second seismic sources; and recording seismic signals corresponding to the first and second seismic sources. The predetermined distance d is calculated so that first seismic signals corresponding to the first source are recorded during an actual recording portion while second seismic signals corresponding to the second source are recorded during a recording lag portion, which is later in time than the actual recording portion.
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