Deterministic Inversion

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Model driven inversion to absolute impedance

Deterministic Inversion is a model-driven inversion approach for 3D seismic data. Depending on the input the plugin generates Acoustic Impedance, or (Extended) Elastic Impedance volumes. MPSI - stochastic inversion is a separate plugin that generates hundreds of impedance realizations around the mean volumes produced by the deterministic plugin. These realizations are subsequently used to analyze the uncertainty in the inversion and to generate connectivity probalility bodies. MPSI stochastic inversion scheme is considered the fastest stochastic seismic inversion scheme currently available. Both plugins are developed by Earthworks™ in collaboration with ARK CLS.


Deterministic Inversion includes a 3D model builder for the construction of a priori impedance models using well log and seismic horizon data; a 2D error grid generation module to provide spatial inversion constraints and a model-based deterministic inversion module.

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Stochastic & Deterministic Inversion