C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/02 (2006.01) C08F 220/12 (2006.01) C08F 220/54 (2006.01) C08F 220/56 (2006.01) C08L 33/00 (2006.01) C09K 8/512 (2006.01) C09K 8/88 (2006.01) E21B 33/138 (2006.01) E21B 43/25 (2006.01)
Patent
CA 2208440
A composition for conformance of an oil or gas field reservoir consists of (i) at least one non acidic ethylenically unsatured polar monomer such as acrylamide, and (ii) at least one copolymerisable ethylenically unsaturated ester such as an alkyl or aralkyl acrylate which is gelled in the reservoir using a polyvalent metal ion gelling agent such as a chromium or zirconium salt.
Une composition destinée à la structure d'un réservoir de champ pétrolifère ou gazeux se compose (i) d'au moins un monomère polaire non acide, éthyléniquement insaturé tel qu'un acrylamide, et (ii) d'au moins un ester éthyléniquement insaturé, copolymérisable tel qu'un alkyle ou aralkyle acrylate qui est gélifié dans le réservoir à l'aide d'un agent gélifiant à ion métal polyvalent tel qu'un sel de chrome ou de zirconium.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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