Deterministic phase correction and application
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United States of America Patent
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Aug 13, 2019
Grant Date -
Nov 5, 2015
app pub date -
Apr 28, 2015
filing date -
May 1, 2014
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Abstract
A method of more accurate phase encoding of phase offset vibrators used in simultaneous-multiple-sourcing 3D seismic mapping. The method measures the actual input energy and the proxy energy thereby determining a bulk error and a frequency-dependent error, both to be applied to correct the proxy energy. The corrected proxy energy is then used to perform actual seismic survey, and the inversion is then performed using the corrected proxy energy to source separate each vibe where the error is minimized.
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