Pressure control valve
US11913307B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2020 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Dec 1, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pressure control valve for a downhole drilling system includes a choke body and a restrictor body. The choke body is installed in the bore of a housing. A fluid flow flows through an orifice in the choke body. Changing a distance between the choke body and the restrictor body changes a pressure differential uphole of the pressure control valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.