Process for manufacturing high performance tubulars and...

Details Process for manufacturing high performance tubulars and... Process for manufacturing high performance tubulars and...

C - Chemistry, Metallurgy

21

D

148/34

C21D 8/10 (2006.01) C22C 38/22 (2006.01)

Patent

CA 1197761

Abstract of the Invention A high performance carbon steel tubular for critical Oil Country applications and a process for its preparation are disclosed. The tubular is particularly adapted for use in deep wells where the tubular may be subjected to high pressure, wide temperature ranges, and/or corrosive environments, which may include hydrogen sulfide, carbon dioxide, and brine water, together with hydrocarbons. The process comprises forming the steel into tubular form, intercritically heat treating the form, removing surface defects, cold working the tubular form to finished dimensions, intercritically heat treating the tubular form, and quenching and tempering the finished tubular.

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