Wellhead torque ring
US11536108B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Feb 10, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellhead assembly includes a wellhead housing; a tubing hanger, plug, back pressure valve, two-way check valve, BOP test plug, temporary abandonment plug, or other device; and a torque ring. The wellhead housing includes an inner bore. The wellhead housing has one or more mating grooves formed on an inner wall of the wellhead housing. The tubing hanger, plug, back pressure valve, two-way check valve, BOP test plug, temporary abandonment plug, or other device is positioned within the inner bore of the wellhead housing. The torque ring is positioned within a slot formed in the tubing hanger or other device. The torque ring includes a protrusion extending beyond the tubing hanger and into the mating groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.