Processing seismic data representative of the acceleration wavefield
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United States of America Patent
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Aug 17, 2010
Grant Date -
Dec 28, 2006
app pub date -
Mar 26, 2004
filing date -
Mar 26, 2003
priority date (Note) -
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Abstract
A method of processing seismic data comprises processing data representative of the acceleration wavefield so as to obtain information about the earth's subsurface direct from the seismic data representative of the acceleration wavefield. In conventional techniques for processing seismic data representative of the acceleration wavefield the data are transformed to the velocity domain at an early stage in the processing. The invention enables the transform step to be eliminated, thereby simplifying the processing and eliminating the risk that the transform might degrade the data. Furthermore, the increased sensitivity at high frequencies of a typical acceleration sensor compensates for the low-pass filter effect of the earth.
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