Waterflood oil recovery process employing stabilized...

Details Waterflood oil recovery process employing stabilized... Waterflood oil recovery process employing stabilized...

C - Chemistry, Metallurgy

09

K

31/26

C09K 8/90 (2006.01)

Patent

CA 1085600

WATERFLOOD OIL RECOVERY PROCESS EMPLOYING STABILIZED BIOPOLYMERS Abstract of the Disclosure Waterflood oil recovery process employing a Xanthomonas polysaccharide as a thickening agent in which the aqueous polysaccharide solution contains a C3-C5 aliphatic alcohol. The aliphatic alcohol functions to stabilize the polysaccharide against thermal degradation in reservoirs having temperatures in excess of 60° C. The polysaccharide solution may also contain an alkali metal carbonate which functions with the alcohol to impart further stability to the Xanthomonas polysaccharide solution. -1-

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