This paper discusses the value and limits of a seismic quantitative approach based on elastic inversion and multi-attribute calibration to predict reservoir properties and assess hydrocarbon volumetrics, through the different phases of development of gas fields in the offshore Nile Delta Abu Madi Fm., and their extension to assess nearby exploration opportunities in the same exploration play. The applied workflow allowed to provide not only reservoir quality mapping and conventional property volumes computation (Pseudo-porosity, Lithology, Fluid Saturation), but also the generation of 3D calibrated datasets of relatively unconventional reservoir properties (Porosity Thickness, Net Hydrocarbon in Place). De-risking for fluid saturation did not work in the exploration area, either because of lithological effects on angle dependent elastic and/or low gas saturation.


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