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Characterization of reservoir rock types in the upper rudeis reservoir rocks, Gulf of Suez, Egypt

Wafaa El-Shahat Afify and Alaa H. Ibrahim Hassan

Identifying reservoir rock types and their most significant vertical and horizontal heterogeneities is an essential component of reservoir characterization process. A reservoir classification and rock typing study were carried out on the Upper Rudeis reservoir rocks (Asl and Hawara formations), of a mixed siliciclastic and carbonate lithology in the Gulf of Suez, Egypt, by integrating both large-scale geologic elements and small-scale rock petrology with the physical rock properties for the studied reservoir. The work-flow in this study integrates multiple data evaluation techniques and multiple data scales using a core-based rock typing approach supplemented by well logs that is designed to capture rock properties characteristic of Upper Rudeis reservoir rocks. The results reduce uncertainty and allow a better definition of the vertical variability distribution of petrophysically constrained rock types within the sequence stratigraphy constrained correlation and deliver cyclostratigraphic data of depositional facies interpretation.