Compositions – Leather or fur treating
Patent
1986-06-17
1988-03-22
Guynn, Herbert B.
Compositions
Leather or fur treating
166273, 252354, 252356, E21B 4322
Patent
active
047326905
ABSTRACT:
A post-primary oil recovery process wherein the subterranean oil-bearing formation is treated by the sequential injection of (1) optional aqueous preflush to adjust connate water salinity, (2) aqueous saline surfactant system containing at least one acylated polypeptide salt surfactant, (3) optional thickened aqueous mobility buffer and (4) an aqueous drive, for the recovery of oil driven from the formation thereby.
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Guynn Herbert B.
Phillips Petroleum Company
Umphlett A. W.
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