Abstract
In this work, an experimental and theoretical study has been conducted to investigate the permeability reduction due to CaSO 4 scale deposition in packed column porous media. Permeability reduction by calcium sulphate deposition follows a systematic trend considering various important parameters that are affected in this complex process. Hence, a novel dimensionless model has been proposed for the prediction of permeability reduction rate with high accuracy. The developed model is based on the data obtained from glass bead and carbonate grain packed column at low pressure. The proposed model was validated with Berea sandstone cores data at high pressure (100–20,678 kPa), various flow rates (5–15 cm 3/min), different temperatures (45–95 °C) and various concentrations of calcium and sulphate ions in brine solutions (0.0125–0.0225 mol/L).
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