E3S Web Conf.
Volume 121, 2019I International Conference “Corrosion in the Oil and Gas Industry”
|Number of page(s)||5|
|Section||Materials Selection & Design|
|Published online||14 October 2019|
Study of corrosion behavior of carbon and low-alloy steels in CO2-containing environments
RN-BashNIPIneft, 450006 Ufa, Russia
2 St. Petersburg Polytechnical University, R&D center Weatherford-Polytechnic, 195251 St. Petersburg, Russia
* Corresponding author: KostitsynaIV@bashneft.ru
Carbon and low-alloy steels, which constitute the main volume of pipe production, are unstable to the action of aggressive mineralized oil fields environments, which are often in the late stage of development. Recently, attempts have been made to use steels with an economical alloying of chromium up to 0.5% in CO2-containing media without application of the additional measures against corrosion. The corrosion behaviour of carbon and low-alloy steels with a chromium content of up to 0.5% in CO2-containing environments was investigated by electrochemical and metallographic studies. The results show that the addition of 0.5 wt% Cr could not effectively improve the corrosion resistance of the low-Cr alloy steel in CO2-containing environments.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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