Model predicts compositional grading of a reservoir in Iran

A study showed that an isothermal gravity-chemical equilibrium model can predict the compositional variation with depth for the Asmari carbonate reservoir in Marun field, Iran. The study was a part of a larger work for characterizing reservoir fluids for compositional simulation.The basis of the study was laboratory pressure-volume-temperature (PVT) reports on 15 appraisal wells.The study used a Peng-Robinson equation of state (EOS)-based PVT program, followed by a regression technique with dynamic parameter selection to tune the EOS to match PVT data. Then, the compositional gradients were modeled with an isothermal gravity-chemical equilibrium model. Click here to enlarge imageThe stud...

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