Inserts for variable bore rams
US11603731B2 · kind B2 · utility
1Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2020 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | Sep 17, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/064
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A blowout preventer (BOP) assembly includes a body portion, a bore extending through the body portion, and a ram block assembly. The ram block assembly includes a first ram block being movable into the bore and a second ram block being movable into the bore. The ram block assembly also includes inserts arranged within each of the first ram block and second ram block, the inserts being movable to change a sealing diameter of the ram block assembly, wherein each insert includes a plurality of lips extending into voids formed between adjacent inserts, respective lips being positioned along intersecting regions of adjacent inserts
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.