Abstract
We report a preparation of water-soluble cationic starch and its application as an oil-displacing agent in chemical enhanced oil recovery. The singular sand-pack core-flood tests provide experimental evidence that the injection of the modified starch after the conventional water flooding can significantly enhance oil recovery and effectively reduce water-cut. To discuss the proposed oil-displacement mechanism of this cationic starch solution, its static and dynamic adsorption properties were also presented in this paper.
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Fu, J., Qiao, R., Zhu, L. et al. Application of a novel cationic starch in enhanced oil recovery and its adsorption properties. Korean J. Chem. Eng. 30, 82–86 (2013). https://doi.org/10.1007/s11814-012-0147-4
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DOI: https://doi.org/10.1007/s11814-012-0147-4