| Issue |
MATEC Web of Conferences
Volume 7, 2013
JA 2013 – Journées Annuelles de la SF2M 2013 / SF2M Annual Meeting 2013
|
|
|---|---|---|
| Article Number | 02006 | |
| Number of page(s) | 3 | |
| Section | Colloque 2 : Assemblages, Soudage et Collage / Joining, Welding and Sticking | |
| DOI | https://doi.org/10.1051/matecconf/20130702006 | |
| Published online | 07 November 2013 | |
New generation of Sour Service Drill Pipe allows addressing highly sour field challenges
1 Vallourec Research Aulnoye, Aulnoye-Aymeries, France
2 Vallourec Group, Aulnoye-Aymeries, France
3 Vallourec Group, Houston, USA
Drill pipes are commonly produced by assembling pipe and tool joints through friction welding. The weld, as a result of this process, presents some challenges for preserving corrosion resistance due to some metallurgical factors such as heterogeneous microstructure, different chemical compositions between the tool joint and the pipe body and heterogeneous mechanical properties close to the welded line. Hence a new drill pipe configuration have been developed including modified chemical composition and modified manufacturing process. These modifications allow for the improvement of mechanical properties performance and corrosion resistance in the welded zone.
© Owned by the authors, published by EDP Sciences, 2013
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