Surface-Based 3D Modeling of Geological Structures

Mathematical Geosciences - Tập 41 - Trang 927-945 - 2009
G. Caumon1, P. Collon-Drouaillet1, C. Le Carlier de Veslud2, S. Viseur3, J. Sausse4
1CRPG, Nancy Université, CNRS, Vandoeuvre-lès-Nancy, France
2Géosciences Rennes, Université Rennes 1, Rennes Cedex, France
3Laboratoire de Géologie des Systèmes et Réservoirs Carbonatés (EA 4234), Université de Provence, Marseille cedex 03, France
4G2R, Nancy Université, CNRS, CREGU, Vandoeuvre-lès-Nancy, France

Tóm tắt

Building a 3D geological model from field and subsurface data is a typical task in geological studies involving natural resource evaluation and hazard assessment. However, there is quite often a gap between research papers presenting case studies or specific innovations in 3D modeling and the objectives of a typical class in 3D structural modeling, as more and more is implemented at universities. In this paper, we present general procedures and guidelines to effectively build a structural model made of faults and horizons from typical sparse data. Then we describe a typical 3D structural modeling workflow based on triangulated surfaces. Our goal is not to replace software user guides, but to provide key concepts, principles, and procedures to be applied during geomodeling tasks, with a specific focus on quality control.

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