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Boletín de Geología
versión impresa ISSN 0120-0283versión On-line ISSN 2145-8553
Resumen
TELLEZ, Wilmer; ALMANZA, Ovidio y MONTES-VIDES, Luis. Extended Kalman Filter deconvolution for extracting accurate seismic reflectivity. Bol. geol. [online]. 2022, vol.44, n.1, pp.149-159. Epub 25-Ene-2022. ISSN 0120-0283. https://doi.org/10.18273/revbol.v44n1-2022007.
Deconvolution attempts compensating for the distortions affecting a recorded seismogram, increasing its bandwidth and extracting subsurface reflectivity from such seismic trace. The estimated reflectivity needs the highest reliability and resolution because of its subsequent use in the pre-stack seismic processing sequence and seismic inversion. We implemented the predictive deconvolution algorithms, the homomorphic Phase Inversion, and the Extended Kalman Filtering. Their application to synthetic traces extracted reflectivity whose comparison with well-bore allowed comparing the reliability between methods. The algorithms applied to an offshore record provided results whose comparison permitted to analyze the impact of the deconvolution assumptions on each method performance.
Palabras clave : Deconvolution; Homomorphic; Stochastic; Kalman; Phase-Inversion.