Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Geology

The upper cretaceous sequences of the north western desert of Egypt form die main hydrocarbon-bearing sequences of the mature pentroleum system in the pericratonic Abu Gharadig basin. One of the main targets is the sandstone-dominated Bahariya formation of late Albian-early cenomanian age. It overlies unconformably the middle to lower Albian fluviai-dominated sandstones of the Kharita dormation. The boundary between these two rock units (of different facies types is actually difficult to be detected, using the limited conventional wireline logs. Certaninly, the application of high-resolution analyses palynobiostratigraphic, formation micro-images lithofacies extraction and core data, in addition to the different conventional wireline logs, supported the ability to differentiate and predict the important and lithologically obsvured boundary between the Bahariya and the Kharita formations

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