Threaded and coupled tubular connection incorporating a seal ring and method of make-up
US12259068B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2023 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Nov 10, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/042
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method by which threaded sections of oil field pipe are connected to form a coupled and sealed tubular connection having proper sealing positioning at proper make-up torque. A tubular coupling has box ends and an internal mid region which forms interior shoulder regions. A seal ring is received on the mid region and mates with the end faces of the coupling shoulder and with a centrally located groove on the shoulder. The pin ends of opposing sections of pipe are received within the oppositely arranged box ends of the coupling and are made-up to a final, desired make-up position. The final position and amount of squeeze on the seal ring are controlled by utilizing the contact between the pipe pin ends and the shoulder regions of the coupling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.