«Equipment and technologies for oil and gas complex»

Results of steel corrosion studies of X80, type 13Cr strength group

UDC: 620.193
DOI: -

Authors:

¹ Gazprom Dobycha Urengoy, Novy Urengoy, Russia
² Gazprom, Saint Petersburg, Russia
³ Gazprom VNIIGAZ, Moscow region, Russia
⁴ Pipe Metallurgical Company (TMK), Moscow, Russia
⁵ TMK Research Center, Moscow, Russia

Keywords: carbon dioxide corrosion, the Achimov deposits, corrosion-resistant steel, corrosion testing, corrosion rate, steel grade, pipe, fittings, corrosion resistance

Annotation:

The authors of the article describe the main methods for protecting pipelines from carbon dioxide corrosion at LLC "Gazprom Dobycha Urengoy" facilities and reveal the shortcomings of these methods. The development process of an innovative martensitic steel grade, strength group X80, type 13Cr is described. The results of laboratory and pilot field corrosion tests of the developed steel are presented, both as corrosion specimens and as ready-made structures that include pipes and pipeline fittings. Conclusions are presented that confirm the corrosion resistance of the developed steel and the feasibility of using pipes and fittings manufactured of X80 type 13Cr steel in conditions of the Achimov deposits of the Urengoy oil and gas condensate field.

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