Method for adaptively suppressing noise transients in summed co-sensor seismic recordings
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United States of America Patent
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Aug 15, 1995
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N/A
app pub date -
Jun 21, 1994
filing date -
Jun 21, 1994
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Abstract
Seismic data from co-located sensors of different genera are formatted into common velocity-receiver gathers and common pressure receiver gathers. A first ratio between the velocity signature amplitudes and the pressure signature amplitudes is measured within a fixed analysis window. A second ratio is measured between the pressure and velocity signatures for a weighting-zone window of limited extent. The first and second ratios are combined to form an equalization operator. The pressure and velocity signatures from within the weighting zone window are combined in the presence of the equalization operator to define a transient-free time-scale datum.
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