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Hydrocarbon Identification by Frequency-Dependent AVO Inversion Based On Wave EquationNormal access

Authors: G. Huang, X. Chen, C. Luo and H. Dai
Event name: 80th EAGE Conference and Exhibition 2018
Session: Poster: AVO-AVA Analysis -Theory A
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801543
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 864.33Kb )
Price: € 20

Frequency-dependent amplitude variation with offset (FAVO) inversion is regarded as a potential hydrocarbon identification technique. However, conventional FAVO inversions are often based on the Zoeppritz approximation and have many problems. Generalized Propagator Matrix (GPM) forward modelling is derived from the 1-D wave equation, can simulate multi-layered models accurately, and calculates reflection coefficients in the frequency domain. It is suitable for FAVO analysis. In this abstract, we propose a new FAVO inversion based on the GPM (FAVO-GPM) to overcome the existing problems of traditional FAVO inversion (based on Zoeppritz approximations). An application of the proposed method to real seismic data indicates that it is effective for identifying hydrocarbons.

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