C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/04 (2006.01) C09K 8/54 (2006.01) E21B 41/02 (2006.01)
Patent
CA 2668856
Many methods are presented herein including a method comprising: providing a metal surface; and contacting the metal surface with a treatment fluid comprising an aqueous base fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a corrosion inhibitor compound that corresponds to a formula: PR1R2R3, wherein R1, R2, and R3 are chosen from the group consisting of C1-C20 alkyl, cycloalkyl, oxyalkyl, and aryl groups, and R1, R2, and R3 may or may not be equal. Corrosion inhibitor intensifier compositions also are provided.
L'invention porte sur différentes méthodes sont dont une méthode consistant: à obtenir une surface métallique; à mettre en contact la surface métallique avec un liquide de traitement de base aqueux, un acide, un inhibiteur de corrosion, et un renforceur de l'inhibiteur de corrosion. Ce dernier comprend un composé inhibiteur de corrosion de formule : PR1R2R3, où R1, R2 et R3 sont choisis parmi des groupes C1-C20 alkyle, cycloalkyle, oxyalkyle et aryle, et où R1, R2, et R3 peuvent être égaux ou non. L'invention porte également sur des compositions renforçant l'inhibiteur de corrosion.
Cassidy Juanita M.
Kiser Chad E.
Lane Jim L.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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