Hierarchical geocellular facies modelling of a turbidite reservoir analogue from the Eocene of the Ainsa basin, NE Spain

O. Falivene*, P. Arbués, J. Howell, J. A. Muñoz, O. Fernández, M. Marzo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


Geocellular models of outcrop analogues can provide useful insights into modelling strategies for the subsurface reservoirs. A model of the outcropping Ainsa slope turbidite system was built to test the effects of different scales of heterogeneity on production in deep water systems. The modelling began with a structural reconstruction, based primarily upon the outcrop data, to remove the post-depositional structural relief of the reservoir analogue. The facies modelling workflow consisted of three nested stages, each corresponding to a different scale: (a) the first scale addressed the deterministic reconstruction of surfaces that bound sedimentary bodies; (b) the second scale related to the modelling of the interfingering at the gradational boundaries of the sedimentary bodies; (c) the third scale reproduced the internal heterogeneity within the sandstone-dominated sedimentary bodies. Flow simulation was used as a dynamic test of the differences in recovery efficiency for the different scales at which the geological heterogeneity was modelled.

Original languageEnglish
Pages (from-to)679-701
Number of pages23
JournalMarine and Petroleum Geology
Issue number6
Publication statusPublished - Jul 2006

Bibliographical note

Funding Information:
This research was carried out in the Geomodels Institute. This institute is sponsored by Generalitat de Catalunya (DURSI) and Instituto Geologico y Minero de España (IGME) and includes the 3D Geological Modelling CER (University of Barcelona). The research presented has been made possible from funding to the Ainsa Consortium by ExxonMobil, Conoco-Philips, Norsk Hydro, Repsol-YPF and Shell. The authors acknowledge the support from the Ministerio de Educación y Ciencia (Proyectos COMODES: CGL 2004-05816-C02-01/BTE and MARES: CGL 2004-05816-C02-02/BTE) and the Generalitat de Catalunya (Grup de Recerca de Geodinàmica i Anàlisi de Conques, 2005SGR-000397). Research by O. Falivene is funded by a pre-doctoral grant from the Spanish Government (MEyC). Roxar is thanked for providing the IRAP RMS reservoir modelling software. The original manuscript has been improved thanks to the comments by two anonymous reviewers.


  • Reservoir analogue
  • Stochastic models
  • Turbidite system


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