--> Abstract: Relating Background Fractures to Diagenesis and Rock Physical Properties in a Platform–Slope Transect. Example of Maiella Mountain (Central Italy), by Arthur P. C. Lavenu, Juliette Lamarche, Roland Salardon, Arnaud Gallois, and Bertrand D. M. Gauthier; #120034 (2012)

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Relating Background Fractures to Diagenesis and Rock Physical Properties in a Platform–Slope Transect. Example of Maiella Mountain (Central Italy)

Arthur P. C. Lavenu¹,², Juliette Lamarche¹, Roland Salardon¹, Arnaud Gallois¹, and Bertrand D. M. Gauthier³
¹Aix-Marseille Univ, Cerege UMR, Marseille cedex 3, France
²Total Centre Scientifique et Technique Jean Féger CSTJF, Pau Cedex, France
³Total EP, Paris-La Défense Cedex, France

Naturally fractured reservoirs are considered as a double porosity medium where fractures provide the main path for reservoir fluids (Warren and Root, 1963; Kazemi et al., 1976). Most of fractures affecting a reservoir can be assimilated to background fractures which correspond to early inherited fracture sets homogenously distributed throughout the reservoir (Bazalgette, 2004; Vitale et al., 2012). However, partial subsurface data availability is not sufficient for a 3D fracture network prediction (Narr, 1996; Angerer et al., 2003; Ortega et al., 2006). Therefore, a based-analogue outcrop study can help at characterizing and understanding controlling parameters on fractures formation and distribution (Di Naccio et al., 2005; Wennberg et al., 2006; Olson et al., 2009; Zahm and Hennings, 2009; Barbier et al., 2012). Thereby, for a better characterization of fracture patterns in subsurface reservoirs, field analogues provide a 3D overview of the fracture network and enable to predict the geometry of reservoir’s fracture networks since they allow deciphering nature, origin and conditions for fractures formation through the geodynamic history of the reservoir. The example presented in this paper is the Maiella Mountain (eastern Apennines, central Italy), where is outcropping platform and slope-to-basinal carbonates known to be analogue of southern Italy sub-surface reservoirs.

 

AAPG Search and Discovery Article #120034©2012 AAPG Hedberg Conference Fundamental Controls on Flow in Carbonates, Saint-Cyr Sur Mer, Provence, France, July 8-13, 2012