Extracting and Unfolding a Stratigraphic Unit to Update Property Population
Autor: | Jean-François Rainaud, Samuel Peltier, Sébastien Horna, T. Crabie, C. Bennis |
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Přispěvatelé: | IFP Energies nouvelles (IFPEN), SIC, XLIM (XLIM), Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS)-Université de Poitiers, EAGE, Horna, Sébastien |
Rok vydání: | 2010 |
Předmět: |
education.field_of_study
010504 meteorology & atmospheric sciences Property (programming) Constraint (computer-aided design) Population Process (computing) Stratigraphic unit 010502 geochemistry & geophysics [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation 01 natural sciences Flattening [INFO.INFO-MO] Computer Science [cs]/Modeling and Simulation Minification Stratigraphy (archaeology) education Algorithm Geomorphology Geology 0105 earth and related environmental sciences |
Zdroj: | EAGE Conference EAGE Conference, Jun 2010, Barcelone, Spain |
Popis: | International audience; With the wide usage of geo-modelling tools, users could have the need to enhance their previous geostatiscal population without rebuilding an entire stratigraphic model In this paper we explain how we can extract non explicit information from a stratigraphic model (reference iso-chronological surfaces, faults used to constraint the model), and then, use this information to realise 3D flattening on iso-chronological surfaces prior to geostatiscal population. Three methods were presented here: traditional by topological correspondence, vertical shear and an original isometric unfolding process based on the minimization of the elastic tensor deformation. These methods could be applied for every type of deposit: Horizontal, Parallel to Top, parallel to Bottom, Proportional. Then, we compare the application of these methods on several case studies and develop the advantages to reengineer a stratigraphic model and repopulate it after flattening. Even if the "traditional" and vertical shear methods could be applied on certain situations, following multiple test bed as the ones presented in this paper, we are thinking that the isometric unfolding presented here is much reliable. As a consequence, we will exploit more and more this isometric unfolding method in the next future and process each lithostratigraphic unit independently than the others. |
Databáze: | OpenAIRE |
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