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True-amplitude processing of P- and PS- (converted) - Wave data for AVO-analysisNormal access

Authors: P. Krajewski, C. Krajewski and S. Grummt
Event name: 55th EAEG Meeting
Session: Shear Waves
Publication date: 08 June 1993
DOI: 10.3997/2214-4609.201411393
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 894.38Kb )
Price: € 20

The analysis of seismic reflection amplitudes for reservoir characterisation or, more general, for the lithological interpretation of reflection data has become a standard approach in exploration geophysics. However the nonuniqueness of the interpretation of amplitude anomalies in P-wave sections has shown the need for shear-wave velocity information to permit a reliable lithology discrimination. In the paper Processing of PS-reflection data applying a common conversion-point stacking technique by Tessmer et al. 1990 a field data set has been presented which has been generated using three conventional P-wave vibrators as source and in-line horizontal geophones as receivers. This technique of shear wave data acquisition is relatively simple and inexpensive compared to techniques using shear-wave vibrators, because it can be done simultaneously with the routine P-wave recording.

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