24 March 2017
In this E-Lecture, Fatiha Gamar explains how a high-resolution volumetric Q tomography can be developed to attain an accurate volumetric estimation of the attenuation model. A key component of the workflow is the estimation of effective attenuation in the pre-stack data domain through accurate picking of the frequency peak. Finally she presents a case study where this approach has been used to reveal shallow gas pockets and compensate for absorption in the migration.
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