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Predictive Deconvolution On Seismic Traces: How Does Decon Before Stack Affect Decon After Stack?Normal access

Authors: J. Fatti and B. Muller
Event name: 3rd SAGA Biennial Conference and Exhibition
Session: Geophysics
Publication date: 14 April 1993
Organisations: SAGA
Language: English
Info: Extended abstract, PDF ( 423.7Kb )

Summary:
When predictive deconvolution is applied to seismic
traces usïng prediction distance longer than one
sample interval, the output seismic wavelet is a
truncated version of the input wavelet, and is not
minimum phase. Therefore when predictive
deconvolution before stack is followed by
predictive deconvolution after stack, the decon
after stack sometimes produces a serious distortion
of the wavelet. This happens when the after-stack
prediction distance is shorter than the
before-stack prediction distance.

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