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Inhibition of CO2 Corrosion of X52 Steel by Imidazoline-Based Inhibitor in High Pressure CO2-Water Environment

The influence of imidazoline-based inhibitor on the formation, microstructure, and thickness of the corrosion product film that formed on X52 steel after exposure in an environment of high pressure CO 2 containing formation water at high temperature was studied by using weight loss measurement, line...

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Bibliographic Details
Published in:Journal of materials engineering and performance 2013-06, Vol.22 (6), p.1748-1755
Main Authors: Mustafa, A. H., Ari-Wahjoedi, B., Ismail, M. C.
Format: Article
Language:English
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Summary:The influence of imidazoline-based inhibitor on the formation, microstructure, and thickness of the corrosion product film that formed on X52 steel after exposure in an environment of high pressure CO 2 containing formation water at high temperature was studied by using weight loss measurement, linear polarization resistance, scanning electron microscopy, energy dispersive x-ray, x-ray diffraction, and x-ray photoelectron spectroscopy. The results showed that the inhibitor significantly influenced the surface morphology and thickness of the corrosion product film. The severity of localized corrosion (pitting) increased with decreased inhibitor concentration. Inhibitor efficiency was observed to be strongly affected by the concentration of inhibitor and CO 2 pressure. The corrosion product film was mainly composed of FeCO 3 .
ISSN:1059-9495
1544-1024
DOI:10.1007/s11665-012-0443-5