Abstract
This article addresses the use of Centric Scan SPRITE Magnetic Resonance Imaging (MRI) technique to visualize the performance of polymer flooding as a mobility-control technique. The fronts and interfaces between displaced and displacing fluids are monitored. The development of a piston-like displacement front, as a result of polymer-augmented waterflood, and the effect of polymer concentration on the development of a favorable water displacement front are directly observed. MRI demonstrates to be a useful imaging tool for the evaluation of the efficiency of polymer flooding. Experiments indicate a close agreement between fluid saturations determined by MRI and fluid saturations estimated from material balance.
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