Wells – Processes – Distinct – separate injection and producing wells
Patent
1984-05-03
1985-04-09
Suchfield, George A.
Wells
Processes
Distinct, separate injection and producing wells
166273, 166275, 252 855D, E21B 4322
Patent
active
045095973
ABSTRACT:
A supplemental oil recovery method comprising injecting into a subterranean formation a fluid containing soda-anthraquinone lignin which is adsorbed by adsorptive sites therein and functions as a sacrificial agent and thereafter injecting a micellar dispersion containing a surfactant into the subterranean formation to displace the oil contained therein.
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Irwin A. Pearl, The Chemistry of Lignin, Mariel Dekker, Inc., N.Y., N.Y., pp. 19-22 (1967).
Fredrich Emil Brauns, The Chemistry of Lignin, Academic Press, Inc., N.Y., N.Y., pp. 99 and 416 (1952).
Olin Corporation
Suchfield George A.
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