Corrosion Behavior of TP95S Anti-Sulfur Casing Steel in High Temperature High Pressure H2S/CO2 Environment

Bin Wang; Dong Mei Zhou; Jiang Hu Bai

doi:10.4028/www.scientific.net/AMR.335-336.506

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Corrosion Behavior of TP95S Anti-Sulfur Casing...

Corrosion Behavior of TP95S Anti-Sulfur Casing Steel in High Temperature High Pressure H₂S/CO₂ Environment

Abstract:

The anti-corrosion performance of Tiangang TP95S casing steel was studied by high temperature autoclaves simulating the high-temperature and high-pressure H₂S/CO₂ environment. The experimental results show that the corrosion rates increase with the rising of temperature which is from 40°C to 80°C under the dynamic and static conditions of the simulated environments; the dynamic corrosion rates are between 1.7294 and 1.8601mm/a and the corrosion rates are 0.4264～1.2715mm/a under the static conditions, both of which belong to a serious corrosion category; the dynamic corrosion samples have had the localized corrosion at 40°C, but the local corrosion of the static corrosion specimens appeared at 80°C; the corrosion product of TP95S steel takes FeS as the core in the case of static corrosion at 40°C.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

506-510

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.506

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Online since:

September 2011

Authors:

Bin Wang, Dong Mei Zhou, Jiang Hu Bai

Keywords:

Corrosion, H₂S/CO₂, High Temperature High-Pressure, TP95S Steel

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