C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/02 (2006.01) C09K 8/36 (2006.01)
Patent
CA 2724022
The present invention generally relates to emulsifiers for oil-based drilling fluids and muds comprising an emulsi-fier based on the polyamides derived from fattyacid/carboxylic acidand optionally alkoxylated polyamines.The invention alsore-lates to oil or synthetic based drilling fluids comprising the emulsifiers of the invention and todrilling methods utilizing same.
La présente invention concerne de manière générale des émulsifiants pour fluides et boues de forage à base dhuile, qui comprennent un émulsifiant à base de polyamides dérivés dacide gras/acide carboxylique et éventuellement de polyamines alcoxylées. Linvention concerne également des fluides de forage synthétiques ou à base dhuile qui comprennent les émulsifiants de linvention, ainsi que des procédés de forage les utilisant.
Himmel Thomas William
James Alan Duncan
Staley Jon B.
Steichen Dale Stanley
Yu Hua
Akzo Novel N.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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