C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/12 (2006.01) E21B 43/25 (2006.01)
Patent
CA 2523090
The present invention relates to methods, aqueous treating fluids and friction pressure reducers for the treating fluids. A treating fluid of the invention comprises water and a non~toxic environmentally acceptable friction pressure reducer comprising a mixture of a copolymer of acrylamide and dimethylaminoethyl acrylate quaternized with benzyl chloride and a stabilizing and dispersing homopolymer of ethanaminium,N,N,N-trimethyl-2-[(l,oxo-2- propenyl)oxy]-chloride.
L'invention concerne des procédés, des fluides aqueux de traitement et des réducteurs de la pression du frottement pour lesdits fluides de traitement. Un fluide de traitement selon l'invention comprend de l'eau et un réducteur de la pression du frottement non toxique et ménageant l'environnement comprenant un mélange d'un copolymère d'acrylamide et d'acrylate de diméthylaminoethyle quaternisé avec du chlorure de benzyle et un homopolymère stabilisateur et dispersant d'éthanaminium,N,N,N-triméthyl-2-[(l,oxo-2-propenyl)oxy]-chlorure.
Chatterji Jiten
King Karen L.
Mcmechan David E.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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