E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/23
E21B 43/22 (2006.01)
Patent
CA 1172436
Case 6496 Abstract of the Disclosure Low molecular weight aliphatic alcohols are employed to maintain stability of high viscosity aqueous fluids contain- ing hydrated partially hydrolyzed polyacrylamide polymers in the presence of oxygen, certain metal ions, certain biocides, and other substances which otherwise cause rapid degradation of hydrated polyacrylamide polymers.
374408
Conoco Inc.
Ridout & Maybee Llp
LandOfFree
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