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Estimation of gas saturation changes from frequency-dependent AVO analysis

Wu, X.; Chapman, M.; Angerer, E.; Li, X.Y.. 2013 Estimation of gas saturation changes from frequency-dependent AVO analysis. In: 75th EAGE Conference & Exhibition incorporating SPE EUROPEC, London, UK, 10-13 June 2013.

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Abstract/Summary

Seismic attenuation is believed to be sensitive to many reservoir parameters of interest, but its routine application is inhibited by the lack of reliable quantitative relationships which can relate observed behaviour directly to rock and fluid properties. This paper calibrates a frequency-dependent rock physics model for a gas field in Austria, through analysis of well log-data and frequency-dependent AVO analysis of seismic reflection data. Analysis of the model reveals the potential to estimate changes in gas saturation which cannot be detected with the standard, single frequency approximation.

Item Type: Publication - Conference Item (Paper)
Date made live: 07 Jan 2014 15:00 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/504419

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