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Application filed by Володимир Васильович Проців, Сергій Олександрович ФедоряченкоfiledCriticalВолодимир Васильович Проців
Priority to UAA201407920ApriorityCriticalpatent/UA111517C2/en
Publication of UA111517C2publicationCriticalpatent/UA111517C2/en
The invention relates to tubular threaded connections, which are referred to as sealed (or "half-premium") and super-sealed (or "premium"). Formed on both ends of the drill pipe bayonet rests have their side surfaces coupling the pipe to each other upon completion of the connection of their coupling with closed thread tension, and the location of these stops on both ends of the drill pipe relative to the beginning of the same thread on them.