The pattern of degree of change in rock magnetization on heating is shown, based on thermomagnetic and thermal analysis of rock samples from Permian asphalt deposits. When core samples are heated, the degree of magnetization may increase significantly due to conversion of iron-bearing minerals essentially to magnetite. In the kinetics of magnetite formation in rocks, the main players are oxidation of light and heavy hydrocarbons, which determine both temperature and redox conditions. The feasibility of using ground magnetic mapping for monitoring the state of the in-situ combustion front is assessed.
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The study was performed through funding extracted within the framework of government support provided by the Kazan’ (Vol;ga Region) Federal University for the purpose of enhancing its competitiveness among the world’s leading scientific and educational centers. Thermal analysis of the specimens was performed within the realm of basic budget financing for scientific research of the Kazan’ (Volga Region) Federal University.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 75 – 78, January – February, 2015.
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Kuzina, D.M., Nurgaliev, D.K., Morozov, V.P. et al. Change in Magnetic Properties of Reservoir Rocks During In-Situ Combustion of Crude. Chem Technol Fuels Oils 51, 127–132 (2015). https://doi.org/10.1007/s10553-015-0584-y
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DOI: https://doi.org/10.1007/s10553-015-0584-y