Rotatable wear sleeve for wellhead pressure-control device
US11536109B1 · kind B1 · utility
0Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 2021 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Oct 27, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wear sleeve for use with a rotating control device (RCD) includes a wear insert and a retainer flange. The wear insert is formed in a tube shape with an outer profile to match an inner profile of a downstream neck of the RCD to be inserted into the downstream neck. The retainer flange extending from an outer surface of the wear insert to couple with a neck flange at an end of the downstream neck of the RCD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.