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Integration of Sedimentology and Stratigraphy in a 3D Static Model: Example from the Echinocyamus Formation in the Block X, Talara Basin, NW Perú*

José Daudt1, José Rejas1, Eris Gabriel1, Jorge Galloso1, Christian Huapaya1, and Cristian Grobav

Search and Discovery Article #20099 (2011) Posted February 14, 2011

*Adapted from oral presentation at SPE Applied Workshop, Opportunities in Mature Oil Fields: Technical and Economic Challenges, Lima, Peru, August 23-25, 2006; manuscript received August, 2010, revised manuscript received and accepted January 17, 2011.

1Petrobras, Americas, Houston, Texas (jdaudt@petrobras-usa.com)

Two Key Questions

  • Can we efficiently incorporate the Sedimentology and Stratigraphy in a 3D Static Model, considering the complexity of Talara

Reservoirs?

  • What is the best way to integrate the diagenetic complexity in these models? Objectives

  • Characterize the facies associations to interpret the depositional model;

  • Create a stratigraphic framework for propagation of petrophysical properties;

  • Assess the diagenetic impact in determining the reservoir quality distribution;

  • Expected Results: optimization, risk and uncertainty reduction in EOR projects. Conclusion

The integration of sedimentology and stratigraphy, combined with geostatistical tools, provided a better understanding of geometrical relationships and connectivity potential of the reservoirs within each stratigraphic unit.

Copyright © AAPG. Serial rights given by author. For all other rights contact author directly.

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