E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/14
E21B 43/24 (2006.01) C07D 265/30 (2006.01) C07D 265/32 (2006.01)
Patent
CA 1286880
IMPROVING STEAM FOAM FLODDS WITH A CAUSTIC AGENT (D# 78, 608-F) ABSTRACT Disclosed is a process of adding a caustic material to a steam foam composed of steam, foaming agent and a non-condensible gas to increase the resistance and lifetime of a steam foam, said caustic agent selected from the group consisting of sodium carbonate, sodium bicarbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, ammonium hydroxide, sodium silicate, and sodium orthosilicate. HJD jch:EX8G/qq 8/29/86
545842
Shen Chin W.
Smart & Biggar
Texaco Development Corporation
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