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The present study deals with the Petrophysical Evaluation of Nubia A of Lower Cretaceous age in Nubia Formation, Ras Budran oil field, Gulf of Suez, Egypt. The petrophysical parameters results of Nubia A in Nubia Formation is represented laterally (Iso-parametric maps, such as effective porosity, shale content, net-pay thickness and hydrocarbon saturation maps).A set of well logs has been run for the selected four wells. These wells named (RB-A1, RB-B1, RB-B11 and RB-C1). The minimum suite of logs consisted of gamma ray, density, neutron, and resistivity logs, all the log data are in the form of LAS files. Nubia Formation is very good reservoir rock in most intervals, where the interpretation of the well logging data indicates that the total porosity ranges from 13.8% to 15%, effective porosity ranges from 13.2% to 15%, shale content ranges between 0.3% to about 2.1%, water saturation from 15.4% to about 52.1%, hydrocarbon saturation ranges from 47.9% to 84.6% and Netpay thickness ranges between 21 ft toabout137.25ft. From Lithological Identification Techniques for Nubia A indicates the presence of mixed lithology has sandstone, shale, dolomite and limestone. The developments in Ras Budran field for Nubia A towards the central part around RB-B1 well and northwestsoutheast, this shown by the increasing of effective porosity and hydrocarbon saturation respectively. There is a good opportunity to drill other Exploratory and development wells to enhance the productivity of the study area because it is containing valuable amount of hydrocarbon accumulation. The best well for this study is RB-A1 has high hydrocarbon saturation 76.2%, effective porosity 13.7% and Net pay thickness137.25 ft.

Evaluation of Petrophysical and Hydrocarbon Potentiality for the Nubia A, Ras Burden oil field, Gulf of Suez, Egypt.