The hypogenic caves developed in carbonate units have a significant structural control but most of their features are not detect by conventional methods due to their size below seismic resolution. This contribution focuses on the structural, petrographic and geometric characterization of karst conduits in Neoproterozoic carbonates of the Salitre Formation, central part of São Francisco Craton, Brazil. We address the influence of fractures and folds on the development of karst conduits through field and laboratory analysis and the application of Light Detection Ranging to characterize cave/conduit geometry. The preliminary results indicate that the process of karstification are intensified in fractures corridors developed along fold hinges, which create fluid flow corridors in carbonate units and may change petrophysical reservoir properties.

Karst conduits formed along fracture corridors in anticline hinges of carbonate units: Implications for reservoir quality / Pontes, C.; Bezerra, F.; Bertotti, G.; Balsamo, F.; la Bruna, V.; de Hoop, S.. - (2020), pp. 1-6. ((Intervento presentato al convegno 4th Naturally Fractured Reservoir Workshop 2020 tenutosi a are nel 2020 [10.3997/2214-4609.2020622007].

Karst conduits formed along fracture corridors in anticline hinges of carbonate units: Implications for reservoir quality

Balsamo F.;
2020

Abstract

The hypogenic caves developed in carbonate units have a significant structural control but most of their features are not detect by conventional methods due to their size below seismic resolution. This contribution focuses on the structural, petrographic and geometric characterization of karst conduits in Neoproterozoic carbonates of the Salitre Formation, central part of São Francisco Craton, Brazil. We address the influence of fractures and folds on the development of karst conduits through field and laboratory analysis and the application of Light Detection Ranging to characterize cave/conduit geometry. The preliminary results indicate that the process of karstification are intensified in fractures corridors developed along fold hinges, which create fluid flow corridors in carbonate units and may change petrophysical reservoir properties.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11381/2888259
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