Accurate reservoir characterization is critical for optimizing oil field development and production. In this study, we present a novel approach for modeling categorical fracture orientations to enhance reservoir characterization in an Iranian oil field. By integrating geological data, including well logs and seismic data, with advanced modeling techniques, we develop a comprehensive framework for characterizing fracture orientations as discrete categories. This approach provides valuable insights into fracture network patterns, which are essential for reservoir engineers and geologists to make informed decisions regarding well placement, hydraulic fracturing, and reservoir management. The application of this methodology in the Iranian oil field demonstrates its potential for improving hydrocarbon recovery and overall reservoir performance.

Reservoir characterization, Fracture orientation modeling, Iranian oil field

Nelson, R. (2001). Geologic analysis of naturally fractured reservoirs, Gulf Professional Publishing.

Sahimi, M. (2011). Flow and transport in porous media and fractured rock: from classical methods to modern approaches, John Wiley & Sons.

Olarewaju, J., S. Ghori, A. Fuseni and M. Wajid (1997). Stochastic Simulation of fracture density for permeability field estimation. Middle East Oil Show and Conference, Society of Petroleum Engineers.

Rafiee, A. and M. Vinches (2008). "Application of geostatistical characteristics of rock mass fracture systems in 3D model generation." International Journal of Rock Mechanics and Mining Sciences 45(4): 644-652.

Liu, X., C. Zhang, Q. Liu and J. Birkholzer (2009). "Multiple-point statistical prediction on fracture networks at Yucca Mountain." Environmental geology 57(6): 1361-1370.

Fadlelmula F, M. M., M. Fraim, J. He and J. E. Killough (2015). Discrete Fracture-Vug Network Modeling in Naturally Fractured Vuggy Reservoirs Using Multiple-Point Geostatistics: A Micro- Scale Case. SPE Annual Technical Conference and Exhibition, Society of Petroleum Engineers.

Gauthier, B., A. Zellou, A. Toublanc, M. Garcia and J. Daniel (2000). Integrated fractured reservoir characterization: a case study in a North Africa field. SPE European Petroleum Conference, Society of Petroleum Engineers.

Bourbiaux, B., R. Basquet, J. M. Daniel, L. Y. Hu, S. Jenni, G. Lange and P. Rasolofosaon (2005). "Fractured reservoirs modelling: a review of the challenges and some recent solutions." First Break 23(9): 33-40.

Haddad, M., S. Srinivasan and K. Sepehrnoori (2015). Modeling natural fracture network using object-based simulation. 49th US Rock Mechanics/Geomechanics Symposium, American Rock Mechanics Association.

Cacas, M. C., E. Ledoux, G. de Marsily, B. Tillie, A. Barbreau, E. Durand, B. Feuga and P. Peaudecerf (1990). "Modeling fracture flow with a stochastic discrete fracture network: Calibration and validation: 1. The flow model." Water Resources Research 26(3): 479-489.