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Permeability Prediction Using Hydraulic Flow Units: Baltim North Gas Field, Nile Delta, Egypt

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Document pages: 20 pages

Abstract: 168 coresamples data of two production wells in the Baltim North field were used toidentify the complex discrepancies in reservoir pore geometry which governingthe Abu Madi reservoir fluid flow properties. Permeability prediction from welllogs is significant goal when the core data is rarely available in most casesbecause of its expensive cost. The hydraulic flow unit approach was used toclassify reservoir rocks according to its pore aperture size in the coredwells. The predicted permeability was calculated from core porosity and corepermeability relationship for each flow unit. The difference between Neutronporosity and Density porosity was recognized to distinguish different hydraulicflow units. The higher difference indicates higher quality flow unit and viceversa. For model’s verification the predicted permeability was plotted againstthe laboratory measured permeability in all studied wells and shows highlymatching.

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