Barrier arrangement in wellhead assembly
US11542778B2 · kind B2 · utility
2Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2019 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Dec 4, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/038
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A subsea wellhead assembly having an arrangement of primary well barriers provided in equipment that is located within the well and/or the wellhead housing is provided. All of the well barriers may be located within the tubing hanger and/or the production tubing string extending into the wellbore. The subsea wellhead assembly also includes a flowline connection body placed atop the wellhead housing and fluidly coupled to the tubing hanger. None of the primary barriers for the well are located in the flowline connection body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.