E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/16, 134/30
E21B 43/22 (2006.01) B01F 17/00 (2006.01) C09K 8/584 (2006.01)
Patent
CA 1146834
ABSTRACT Surfactant composistions comprising: (1) an alkylated diphenyl oxide sulfonate, (2) a petroleum sulfonate, (3) a condensation product of an alkanol and an alkylene oxide, and (4) a glycol ether are useful in enhanced oil recovery processes.
366061
Byth Nancy J.
Thompson James L.
Smart & Biggar
The Dow Chemical Company
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