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Petrophysical rock properties prediction from elastic properties using artificial neural network (ANN).
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Sixth EAGE Rock Physics Workshop, Nov 2022, Volume 2022, p.1 - 5
Abstract
Summary
The interpretation of elastic rock properties into petrophysical properties is usually performed using deterministic rock physics and statistics-based approaches at the seismic scale. In this study, a machine learning workflow has been developed for predicting petrophysical rock properties such as porosity, mineralogy, and pore fluid from measured elastic properties in the well. In particular, the bulk density, P- and S-wave velocity logs were used as inputs to predict the rock properties. The workflow shows promising results in predicting, porosity, clay content, and water saturation with high accuracy.
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