Blowout preventer with multiple application ram blades
US12006781B2 · kind B2 · utility
1Cited by
41References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 2020 |
| Grant date | Jun 11, 2024 |
| Priority date | — |
| Expiry date | Jan 30, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/063
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A blowout preventer for shearing structures positioned in a bore extending through the blowout preventer, the blowout preventer body having a bore and guideways, first and second rams movably positioned relative the guideways and movable toward the bore, a blade of the first ram having a flat side, a blunt leading contour, an upper inclined surface above the blunt leading contour, and a lower declined below the blunt leading contour, a blade of the second ram having a leading contour and at least one lower declined surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.