Wells – Processes – Distinct – separate injection and producing wells
Patent
1993-02-08
1995-02-14
Suchfield, George A.
Wells
Processes
Distinct, separate injection and producing wells
166279, 166304, 166310, 166371, E21B 3706, E21B 4322
Patent
active
053886445
ABSTRACT:
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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Buckman Laboratories International Inc.
Suchfield George A.
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