In this paper a correlation is established between the values of SSC threshold stress (KISSC) and hydrogen permeation fluxes obtained using an electrochemical technique. The susceptibility of a high-strength steel to sulfide stress cracking (SSC) in the presence of crude oil was studied utilizing different crude oil/NACE solution ratios, and saturating the test solutions with H2S according to the standard NACE TM-0177 method D. Results showed that oil confer protective properties against uniform corrosion, stress corrosion cracking and hydrogen permeation. The hydrogen permeation technique was found useful to estimate the susceptibility of a given OCTG steel to SSC in sour environments, but the correlation between hydrogen flux and (KISSC) is highly dependant on testing conditions.


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    Title :

    Effect of water/oil ratio on the SSCC susceptibility of high strength OCTG carbon steel


    Additional title:

    Einfluß des Wasser/Öl-Verhältnisses auf die Empfindlichkeit von hochfesten unlegierten Stählen für Ölfeldrohre gegenüber sulfidinduzierter Spannungsrißkorrosion


    Contributors:
    Rincon, H. (author) / Hernandez, S. (author) / Salazar, J. (author) / Case, R. (author) / Vera, J. (author)

    Published in:

    Corrosion, 1999 ; 602/1-602/9


    Publication date :

    1999


    Size :

    9 Seiten, 8 Bilder, 2 Tabellen, 16 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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