Sandstone Reservoir Assessment of Nukhul Formation Using Well logging Analysis, Eastern Gulf of Suez, Egypt

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Egyptian Petroleum Research Institute-Cairo-Egypt

Abstract

TThe Nukhul Formation in Abu Rudeis Marine Field is regarded as one of the most important oil production reservoirs in the Gulf of Suez. Abu Rudeis Marine Field is an oil producing field located on the eastern side of the Gulf of Suez. The present study deals with the petrophysical examination of Nukhul Formation in Abu Rudeis Marine Field by using well logging data for four wells. The studied formation was classified into three units (A, B, C) according to the hydrocarbon potentiality. The lithology of three units was examined using logging parameter cross plots, and petrophysical parameters such as shale volume, effective porosity, and water saturation were calculated. The neutron/density and lithosaturation cross plots reveal that the main lithology of the three units are sandstone with shale intercalations and sometimes limestone at the lower part of Nukhul Formation for example ARM-21 well, in addition to Thomas Stieber cross plot for the shale type investigation was applied. The qualitative interpretation of the well logging data for the investigated wells identified three intervals with good petrophysical parameters and the capacity to store and produce oil.

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