Seismic acquisition using phase-shifted sweeps
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United States of America Patent
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Apr 11, 2017
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N/A
app pub date -
Mar 13, 2014
filing date -
Mar 15, 2013
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Abstract
A technique includes towing at least one seismic source in connection with a survey of a structure; and operating the seismic source(s) to fire shots, where each shot is associated with a frequency sweep. The technique includes varying phases of the frequency sweeps from shot to shot according to a predetermined phase sequence to allow noise in an energy sensed by seismic sensors to be attenuated.
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