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Improved CMP and CRS Stacking by a Combined Use of Conventional and Automatic Velocity EstimationNormal access

Authors: J.H. Faccipieri, L.J. Gelius and M. Tygel
Event name: 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013
Session: Anisotropic Velocity Update II
Publication date: 10 June 2013
DOI: 10.3997/2214-4609.20130948
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.61Mb )
Price: € 20

Summary:
Stacking may be considered one of the most important steps in seismic processing providing an approximate zero-offset section with an enhanced signal-to-noise ratio in which the NMO velocity is the key quantity. In this work, we will compare the conventional and automatic approaches to NMO velocity estimation employing both CMP and CRS type of stacking of a 2D real marine data set. Moreover, based on the results obtained we propose a combined approach which has the potential to significantly improve the CRS stacking process.


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