C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/54 (2006.01) E21B 41/02 (2006.01)
Patent
CA 2595460
Useful microemulsions have corrosion inhibitors in the internal phase and an external phase and at least one surfactant that helps define the emulsion. The corrosion inhibitor itself may have its pH adjusted so that it also serves the role of surfactant. The corrosion inhibitors form microemulsions with particle or droplet diameters of about 10 to about 300 nm. The microemulsions may be oil-in-water, water-in-oil or bi-continuous.
La présente invention concerne des microémulsions utiles comprenant des inhibiteurs de corrosion en phase interne et en phase externe et au moins un tensioactif qui favorise la formation de l'émulsion. L'inhibiteur de corrosion lui-même peut être ajusté au niveau du pH de manière a servir également de tensioactif. Les inhibiteurs de corrosion forment les microémulsions avec des diamètres de particule ou de goutte compris entre environ 10 et environ 300 nm. Les microémulsions peuvent être du type huile dans eau, du type eau dans huile ou du type bicontinu.
Jovancicevic Vladimir
Yang Jiang
Baker Hughes Incorporated
Sim & Mcburney
LandOfFree
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