Patent No. EP4215716 (titled "A Threaded Pipe Connection") was filed by Tenaris Connections on Jan 19, 2022. The application was issued on Jul 31, 2024.
A threaded pipe connection for oil and gas extraction that reduces radial deformation of pipe ends during connection. The connection features a tubular coupling with tapered female threads and cylindrical cut ends, and male threads with converging tapers. The cylindrical cut eliminates thread interference at the pipe shoulder interface, enabling smooth connection and improved stabbing capability.

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