C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/86 (2006.01) C09K 8/06 (2006.01) C09K 8/62 (2006.01) E21B 43/25 (2006.01) E21B 43/26 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2384108
This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improved gelling characteristics.
L'invention concerne l'utilisation de sels d'ammonium alkyle amido quaternaire et leurs formulations, en tant qu'agents épaississants dans des liquides à base aqueuse, en particulier les liquides qu'on utilise en exploitation pétrolière. Ces sels d'ammonium quaternaire présentent des caractéristiques améliorées de gélification.
Burgazli Cenk
Feuerbacher David
Subramanian Shankar
Zhu Shawn
Zhu Yun-Peng
Crompton Corporation
Gowling Lafleur Henderson Llp
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