In this work, effect of reservoir temperature (in a range of 50–100°С) on the amount of asphaltene precipitation was determined. Rate of asphaltene precipitation was increased by increasing temperature. Damaged permeability of carbonate core samples was investigated at different asphaltene contents conducting core flood tests. The results showed the experimental and predicted data of damaged permeability ratio due to asphaltene precipitation matched. Moreover, the optimum mass concentration of components of the developed asphaltene inhibitor was determined by measuring interfacial tension on the boundary of oil and inhibitor solution. In addition, the change in the concentration of asphaltene inhibitor was simulated depending on the radial distance to well, production time and type of isotherm.
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Khormali et al. (2018) studied this question.
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