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In-situ combustion (ISC) is considered one of the most effective method to increase oil recovery from heavy oil and bitumen. Oxygen of injected air reacts with the heavy crude oil components, forming a hot zone, in which the oxidation and cracking of heavy fractions occur. It is known that catalysts of various types can significantly improve the processes of oil upgrading and increase the efficiency of thermal tertiary methods of oil production. This work devoted to study the influence of mixed oxide catalyst pres...