Change in the defectiveness of pipeline metal upon long-term operation

The metal of pipelines after long-term service (for up to 30 years) is studied. Metallographic analysis of metallurgical defects in the wall metal is performed. Hydrogen-induced lamination arising near these defects due to operation under the action of oil and gas condensate bearing H2S and CO2 is s...

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Veröffentlicht in:	Metal science and heat treatment 2009-09, Vol.51 (9-10), p.415-418
Hauptverfasser:	Kushnarenko, V. M., Chirkov, Yu. A., Shvets, A. V., Shchepinov, D. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon dioxide Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Corrosion Corrosion rate Defects Engineering Thermodynamics Gas pipelines Heat and Mass Transfer Heat treatment Materials Science Metallic Materials Natural gas Petroleum pipelines Pipe Pipe Steels Pipelines Walls
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Beschreibung
Zusammenfassung:	The metal of pipelines after long-term service (for up to 30 years) is studied. Metallographic analysis of metallurgical defects in the wall metal is performed. Hydrogen-induced lamination arising near these defects due to operation under the action of oil and gas condensate bearing H2S and CO2 is studied. The corrosion rate of the pipe metal is determined as a function of the time of development of corrosion defects.
ISSN:	0026-0673 1573-8973
DOI:	10.1007/s11041-010-9183-z