Method for attenuating interference noise in dual-sensor seismic data
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Dec 16, 2009
filing date -
Dec 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A super-gather is constructed by interleaving traces from a hydrophone gather and a geophone gather in seismic data such that traces pertaining to co-located hydrophones and geophones are adjacent to each other. A noise-attenuated super-gather, generated by applying an f-x domain noise identifying and attenuation process to the super-gather, is subtracted from the super-gather to generate a super-gather noise model. A hydrophone gather noise model, generated by removing non-noisy geophone gather traces from the super-gather noise model, is subtracted from the hydrophone gather to generate seismic data with interference noise attenuated.
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