Abstract / scope
Specifies the technical delivery conditions for steel drill pipes. Describes the group 1, all grade E pipes, and group 3, all drill pipes in high strength grades X95, G105 and S135.
ISO 11961:1996Withdrawn
Petroleum and natural gas industries — Steel pipes for use as drill pipe — Specification
Industries du pétrole et du gaz naturel — Tubes d'acier pour tiges de forage — Spécifications