The use of well logging analysis to identify the source rocks of the Cenomanian Period, Northern Western Desert, Egypt Formation evaluation of the Cenomanian and Lower Cretaceous rocks in the North eastern part of Sinai,Egypt Density effects on seismic reflectivity of the Upper Cretaceous rock units in the North of Qarun lake Northeast Western Desert, Egypt Burial history, thermal evolution and hydrocarbon potentialities of the source rocks in Shoab Ali oil field, southern part of the Gulf of Suez, Egypt Petrophysical characteristics and net pay parameters of kareem Formation in Shoab Ali oil field, southern part of the Gulf of Suez, Egypt Petrophysical analysis of Nukhul Formation in October oil field, northern Gulf of Suez, Egypt The use of well logging analysis to evaluate source potentialities of Nukhul Formation in October oil field, northern Gulf of Suez, Egypt Seismic Reflection Study of GPT Oil Field, Abu Sennan Concession, Abu Gharadig Basin, North Western Desert- Egypt. Hydrocarbon Potentiality, Burial history and Thermal Evolution for Some Source Rocks in October Oil Field, Northern Gulf of Suez, Egypt Application of multiple artificial neural networks for estimation of total organic carbon content from petrophysical data Permeability and Porosity Prediction from Wireline logs Using Neuro-Fuzzy Technique