Tubing hanger and wellhead assembly with tubing hanger
US12276169B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2023 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Sep 11, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/0415
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellhead assembly and a tubing hanger comprising: an outer hanger body for supporting the tubing hanger in a tubing head, the outer hanger body including: an upper end and a lower end; an outer surface having a downwardly tapering shape; an inner bore extending from the upper end to the lower end; a lockdown shoulder; an annular extension between the lockdown shoulder and the upper end of the outer hanger body; and an annular seal extending around an outer diameter of the annular extension, the annular seal configured to seal against debris passing therepast down along the outer surface from the upper end toward the lockdown shoulder when the tubing hanger is supported in a tubing head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.