Method for removing non-geologic amplitude variations from seismic data
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United States of America Statutory Invention Reg
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-
Nov 4, 1997
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
Nov 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for removing non-geologic amplitude variations from seismic data. The method is based on the premise that lateral amplitude variations with spatial wavelengths shorter than the width of the Fresnel zone, a known wave propagation effect, for the target cannot be caused by changes in the reflectivity of the target and must, therefore, be due to non-geologic causes. The method permits these non-geologic amplitude effects to be identified and removed from the seismic data. The method may be implemented either manually or automatically by a computer.
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