Corrosion inhibitor for wellbore applications

Details Corrosion inhibitor for wellbore applications Corrosion inhibitor for wellbore applications

C - Chemistry, Metallurgy

23

F

C23F 11/06 (2006.01) E21B 43/22 (2006.01) C09K 7/02 (1995.01)

Patent

CA 2266624

This invention concerns a corrosion-inhibitor nominally comprised of a phenolic compound and a hydroxide-bearing compound capable of imparting a pH of 9 to water, the inclusion thereof in aerated water-based fluids and foams, and the use of these fluids in wellbore applications; particularly applications conducted at elevated temperatures.

Cette invention concerne un inhibiteur de corrosion composé nominalement d'un composé phénolique et d'un composé porteur d'hydroxyde capable de conférer un pH de 9 à de l'eau, son inclusion dans des mousses et dans des fluides à base d'eau gazéifiée, et l'utilisation de ces fluides dans des applications de forage; en particulier des applications exécutées à des températures élevées.

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