Technical Paper
Technical Paper

Stuck Between a Rock and a Reflection: A Tutorial on Low-Frequency Models for Seismic Inversion

May 28, 2017

Written by: Mark Sams and David Carter


Predicting the low-frequency component to be used for seismic inversion to absolute elastic rock properties is often problematic. The most common technique is to interpolate well data within a structural framework. This workflow is very often not appropriate because it is too dependent on the number and distribution of wells and the interpolation algorithm chosen. The inclusion of seismic velocity information can reduce prediction error, but it more often introduces additional uncertainties because seismic velocities are often unreliable and require conditioning, calibration to wells, and conversion to S-velocity and density.

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