Oil transporting gas lines are exposed to corrosive-erosive wear mechanisms due to fluid flow conditions in gas transportation processes. Combined parameters like fluid flow regime and chemical composition of the wall deposited products increase oil gas pipes wearing. Corrosion-erosion laboratory tests on API X52 steel grade were performed to study corrosion rate effect of inhibitors added to residual water transported with gas in pipelines. Corrosion rate was measured by electrochemical methods when inhibitor concentration of 5, 50 and 100 ppm were utilized. Corrosion products are easily loosened due to lack of adherence and erosion is provoked by flow conditions with rapid pipe failure as a consequence. Fluid flow conditions were simulated in dynamic laboratory tests which were performed using a rotating cylinder electrode. Results were compared with horizontal oil pipe sections failed. Using amine type inhibitors reduced corrosion rate, but wear rate is increased in dynamic testing as it happens in gas pipes.


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    Title :

    Amine type inhibitor effect on corrosion-erosion wear in oil gas pipes


    Additional title:

    Der Inhibitoreffekt von Aminen auf den Korrosions-Erosionsverschleiß von Öl-Gasrohren


    Contributors:


    Publication date :

    2009


    Size :

    4 Seiten, 7 Bilder, 2 Tabellen, 15 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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