Corresponding Author

Barakat, Moataz

Document Type

Original Article

Subject Areas

Earth science


Reservoir Characterization; July field; July Member; Gulf of Suez; Egypt


The Gulf of Suez is considered as a multi-reservoir’s basin, containing several reservoirs. It is located at the northeast end of the African plate, along the African-Arab plates. One of the main reservoirs in the Gulf of Suez is the Lower Rudeis (July Member), especially in July Oilfield, and was deposited during the Early Miocene. Comprehensive studies were performed to illustrate the relationships between the different reservoir parameters measured through the well log analysis. The July member reservoir was divided into three zones based on geophysical log responses: denominate zones (A), (B) and zone (C). Petrophysical parameters were calculated, together with lithology and porosity identification cross-plots, for each zone individually to evaluate the July member sandstones. The obtained data indicated that the July member appears to be a good quality reservoir with relatively high storage capacity, with average shale volume of 8 to 42%, average effective porosity of 9.2 to 15.9 %, average calculated permeability of 16.2 to 71 mD, and average hydrocarbon saturation of 10.3 to 73.3 %. The reservoir parameters when mapped at the three levels of the reservoir zones have provided a clear figure about the horizontal distribution of these parameters in the study area and helped in tracing these parameters vertically.

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