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Optimized AVO analysis by using an optimal linear approximationNormal access

Authors: M. Riede, E. Causse, A.J. van Wijngaarden, A. Buland, J.F. Dutzer and R. Fillon
Event name: 9th International Congress of the Brazilian Geophysical Society
Session: Seismic Amplitude Analysis
Publication date: 11 September 2005
Organisations: SBGf
Language: English
Info: Extended abstract, PDF ( 260.67Kb )

We propose a method, namely OptAVO to build enhanced linear AVO approximations. The basis functions of the approximation are orthogonal and their coefficients represent a new set of AVO attributes. These attributes can directly be used for AVO classification or to obtain better estimates of the usual coefficients (e.g., intercept, gradient). The method will be illustrated for class I reflectors using large reflection angles. A real data example shows the applicability of the proposed approach.

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