FIELD: chemistry.
SUBSTANCE: proposed composition for sealing inflow of stratal water in a well contains hydrocarbon liquid, surface active substance, inorganic aluminium salt and water. The surface active substance is a product from reacting, while heating to 120-150°C and stirring for 4-6 hours at atmospheric pressure, alkanolamine and a mixture of fatty acids of the extreme and non-extreme family with hydrocarbon radical C8-C24 at molar ratio of 1-4, respectively, and the inorganic salt is aluminium chloride, with the following ratio of components, in wt %: the above mentioned product 1-6, hydrocarbon liquid 10-30, aluminium chloride 10-30, water - the rest.
EFFECT: increased thermal stability of the composition.
9 ex, 3 tbl
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