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Interpretación conjunta de modelos de velocidad y resistividad 3D mediante clasificación estadística

AuthorsMarzán, Ignacio; Martí, David ; Lobo, Agustín ; Kormann, Jean ; Alvarez-Marrón, Joaquina ; Carbonell, Ramón
KeywordsInterpretación conjunta
data integration
integración de datos
Joint interpretation
Issue Date2016
PublisherSociedad Geológica de España
CitationGeotemas 16: 507-510 (2016)
AbstractThe integration of results from separate geophysical surveys in order to derive a geological interpretation is complicated beyond a qualitative correlation. In this study, we propose a joint interpretation of three separate geophysical datasets (a velocity model, a resistivity model and well logs) to characterize geological transitions in a gypsiferous context, (Villar de Cañas, Cuenca, Spain). By interpolation, we integrate the velocity and resistivity data in a single 3D grid and, in order to derive a geological joint interpretation, we apply a supervised statistical classification method, LDA. The algorithm is fitted using a training set compiled from the well logs. Thus, every node is lithologically classified according to its velocity-resistivity relationship, resulting in a new 3D lithological model. This new model integrates both, seismics and electrics resolution capacities, showing better agreement with geology data than those resulting from the application of these techniques separately.
Identifiersissn: 1576-5172
Appears in Collections:(Geo3Bcn) Artículos
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