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11238 Integrity of Corrosion Inhibitor Films in Multiphase Flow

Product Number: 51300-11238-SG
ISBN: 2011 11238 CP
Author: Christian Canto, Bruce Brown, and Srdjan Nešic
Publication Date: 2011
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$20.00
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The integrity of corrosion inhibitor films was challenged in a large scale multiphase flow loop using slug flow. Two different kinds of water-soluble corrosion inhibitors were tested at two different concentrations. A slug flow regime was used because of the high wall shear stress that can be generated. Results show that mechanical forces in this multiphase flow regime as described by the high levels of turbulence and wall shear stress did not have a detrimental effect on the performance of the corrosion inhibitors used in this study. However, the formation of foam appeared as a likely cause of corrosion inhibitor’s lack of performance in multiphase flow environments.

Key words: corrosion inhibitors, multiphase, slug flow, shear stress
The integrity of corrosion inhibitor films was challenged in a large scale multiphase flow loop using slug flow. Two different kinds of water-soluble corrosion inhibitors were tested at two different concentrations. A slug flow regime was used because of the high wall shear stress that can be generated. Results show that mechanical forces in this multiphase flow regime as described by the high levels of turbulence and wall shear stress did not have a detrimental effect on the performance of the corrosion inhibitors used in this study. However, the formation of foam appeared as a likely cause of corrosion inhibitor’s lack of performance in multiphase flow environments.

Key words: corrosion inhibitors, multiphase, slug flow, shear stress
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