Ninth International Geostatistics Congress, Oslo, Norway
June 11 – 15, 2012



Abstract No.:



Seismic Attributes for Constraining Geostatistical Seismic Inversion


L. Azevedo, Cerena/DECivil, Instituto Superior Técnico, (PT)
R., F., Nunes, Cerena/DECivil, Instituto Superior Técnico, (PT)
J. A., Almeida, CICEGe - Universidade Nova de Lisboa (PT)
L., M. Pinheiro, CESAM & Dep. Geociencias, Universidade de Aveiro (PT)
M. H. Caeiro, Cerena/DECivil, Instituto Superior Técnico, (PT)
P., J., Correia, Cerena/DECivil, Instituto Superior Técnico, (PT)
Amilcar Soares, Cerena/DECivil, Instituto Superior Técnico, (PT)


This paper aims to constrain the inversion method, improving it to match the models with structures interpreted form seismic attribute analysis.

A method for using attributes as parameters in the objective function was created, following the global seismic inversion approach with a global perturbation method, with direct sequential simulation and co-simulation as the image transforming technique. Convergence is measured by comparing the attributes calculated from the synthetic seismic with those derived from the real seismic signal. The algorithm was tested on a real dataset, a carbonated oil reservoir.

Several types of attribute were tested to determine the method?s sensibility to different derived information. The method can be used to constrain the inherent uncertainty associated with inversion processes to features that are indirectly inferred from the seismic signal.




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