Combined impulsive and non-impulsive seismic sources
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jun 23, 2011
app pub date -
Dec 21, 2009
filing date -
Dec 21, 2009
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Abstract
A method for seismic exploration of subsurface rock formations includes actuating an impulsive seismic energy source proximate the rock formations. A non-impulsive seismic energy source is actuated. A near field waveform of each of the impulsive and non-impulsive seismic energy sources is detected. A far field waveform of the combined output of the impulsive and non-impulsive seismic energy sources is determined from the near field waveforms. An impulse response of the subsurface rock formations is determined by deconvolving the far field waveform with detected seismic signals.
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