Corrosion inhibitor compositions and associated methods

Details Corrosion inhibitor compositions and associated methods Corrosion inhibitor compositions and associated methods

C - Chemistry, Metallurgy

23

F

C23F 11/04 (2006.01) C23F 11/08 (2006.01) C23F 11/10 (2006.01) C23F 11/18 (2006.01) E21B 41/02 (2006.01)

Patent

CA 2622445

Corrosion inhibitor compositions may include certain combinations of the following components: a group 15 metal source, a cinnamaldehyde compound, an additional aldehyde compound, an acetylenic compound, a surfactant, an iodide source, and a solvent. Certain embodiments may omit one or more of these components. The inhibitor corrosion compositions may possess desirable environmental properties particularly for use in downhole environments. The corrosion inhibitor compositions herein do not require the presence of quaternary ammonium compounds or "Mannich" condensation compounds.

Les compositions inhibitrices de corrosion selon la présente invention peuvent comprendre un certain nombre de combinaisons des composants suivants : une source de métal du groupe 15, un composé à base de cinnamaldéhyde, un composé de type aldéhyde supplémentaire, un composé acétylénique, un agent tensioactif, une source d'iodure et un solvant. Certains modes de réalisation peuvent omettre un ou plusieurs de ces composants. Les compositions inhibitrices de corrosion peuvent posséder des propriétés environnementales souhaitables en particulier pour un usage dans des environnements d~extraction. Les compositions inhibitrices de corrosion ci-dessus ne nécessitent pas la présence de composés ammonium quaternaire ou de composés de la condensation de « Mannich ».

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