Drill pipes for sour service
Book
·
OSTI ID:268207
- Vallourec Research Center, Aulnoye-Aymeries (France)
- Vallourec Oil and Gas, Aulnoye-Aymeries (France)
Deep wells containing H{sub 2}S necessitates drill strings that combine high strength and Sulfide Stress Cracking (SSC) resistance. Conventional API 5D drill pipe and API Spec7 tool joints do not meet these requirements. This paper is aimed at evaluating the performances of new 95 ksi grade and new 105 ksi grade drill pipes for sour service. Mechanical properties and SSC resistance have been investigated on both pipes, tools and weld areas. Optimized chemical composition, manufacturing process and heat treatment are pointed out.
- OSTI ID:
- 268207
- Report Number(s):
- CONF-960389--
- Country of Publication:
- United States
- Language:
- English
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