THE USE OF WELL LOGS TO DETERMINE THE RESERVOIR CHARACTERISTICS OF MIOCENE ROCKS AT THE BAHAR NORTHEAST FIELD, GULF OF SUEZ, EGYPT
E. A. Abd El-Gawad*
*Geology Department, Faculty of Science, United Arab Emirates University, PO Box 17551, Al-Ain, United Arab Emirates.
This paper is concerned with the petrophysical evaluation by means of electric logs of Miocene reservoir rocks at the Bahar Northeast field, Gulf of Suez, Egypt. The reservoir rocks are assigned to the Hammam Faraun and Sidri Members of the Middle Miocene Belayim Formation and the Lower Miocene Kareem Carbonate.
Computer-assisted log analyses were used to evaluate petrophysical parameters such as the shale proportion (Vsh), effective porosity (fE), water saturation (SW), hydrocarbon saturation (Sh), flushed zone saturation (Sxo) and true resistivity (Rt).
Lithological compositions, effective porosity, and water and hydrocarbon saturations are illustrated on cross-plots of depth versus lithology and saturation. Isoparametric maps are used to illustrate the spatial variation of petrophysical parameters and to show their relationships with the geologic setting of the study area.
Based on the results obtained, the Hammam Faraun and Sidri Members of the Belayin Formation and the Kareem Carbonate appear to possess promising reservoir characteristics which should be taken into consideration during future development of the field area.