What is it about?
Using electrofacies to study carbonate reservoirs is challenging because of limitations in well-log resolution and the complexity of the rocks. This study presents a workflow for building electrofacies models that reduces errors caused by log resolution and shoulder bed effects. By carefully selecting well logs that provide clear geological information, the method produces more reliable classifications and improves geological interpretation.
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Why is it important?
This study provides a workflow that addresses common errors in electrofacies modeling caused by well-log resolution and shoulder bed effects. By improving the reliability of electrofacies classifications, it helps geoscientists better interpret carbonate reservoirs, reducing uncertainty in geological models. This approach can be applied to other complex carbonate systems, supporting more accurate reservoir characterization and decision-making in exploration and development.
Perspectives
"Working on this study was very rewarding because it allowed me to tackle a persistent challenge in carbonate reservoir characterization: the limitations imposed by well-log resolution and small-scale heterogeneity. There is a growing sense in the field that electrofacies can be difficult to apply reliably in carbonates, and I found relatively little previous work discussing these challenges in detail, particularly the influence of shoulder bed effects. I enjoyed developing a workflow that gives geoscientists more control over electrofacies modeling and a clearer understanding of the rocks they study. I hope this article encourages others to explore these challenges and consider ways of improving electrofacies models in complex carbonate reservoirs.
Marília Molina Camargo
Universidade Estadual de Campinas
Read the Original
This page is a summary of: Challenges and suggestions for defining electrofacies models: The problem with well-log resolution and the resulting “shoulder bed effects” applied to a carbonate reservoir, Interpretation, September 2025, Society of Exploration Geophysicists,
DOI: 10.1190/int-2024-0169.1.
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