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Application of n.n-dialquilamidas for the reduction of precipitacao asphalt from crude oil
Application of n.n-dialquilamidas for the reduction of precipitacao asphalt from crude oil
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机译:n-n-dialquilamidas在减少原油中沉淀沥青中的应用
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摘要
A method of reducing, preferably preventing, precipitation of asphalt from crude oil. In one aspect, crude oil is contacted in the borehole with at least one N,N-dialkylamide of a fatty acid having 8 to 22 carbon atoms. In an second aspect, precipitation is reduced during miscible flooding in an EOR process by adding to the flooding solvent at least one N,N-dialkylamide of a fatty acid having 8 to 22 carbon atoms.
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