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Polarity Blind and Polarity Sensitive Gather Flattening MethodsNormal access

Author: N. Gulunay
Event name: 74th EAGE Conference and Exhibition incorporating EUROPEC 2012
Session: Seismic Stacking & Move-out Corrections
Publication date: 04 June 2012
DOI: 10.3997/2214-4609.20148682
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 1.11Mb )
Price: € 20

Summary:
The need for applying gather flattening process on Multi Azimuth (MAZ) gathers where three or more narrow azimuth (NAZ) surveys were merged on the same common midpoint gather as well as the need for better alignment of noisy land data gathers created a need for stronger alignments than our current polarity blind gather flattening method provides. That is, we need to align peaks-to-peaks and troughs-to-troughs. We call this process a polarity sensitive gather flattening. This paper studies the performance of polarity sensitive gather flattening on three such surveys.


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