Pressure control device
US11021925B2 · kind B2 · utility
0Cited by
15References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Feb 12, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/126
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pressure control device for use in an oil well is described. The pressure control device comprises a support member configured to be located on a mandrel or a tubular, the support member defining at least one conduit throughbore configured to receive a conduit and a flexible cup member mounted to the support member. In use, a conduit can pass through the pressure control device intact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.