Blowout preventer having rotation-operated portion
US10487950B2 · kind B2 · utility
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1References
18Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Aug 31, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system has a blowout preventer (BOP) assembly with first and second BOP portions. The first BOP portion has one or more rams configured to move between a first open position and a first closed position relative to a central bore. The second BOP portion has an inner cylinder with a bore, wherein the inner cylinder is configured to rotate about an axis crosswise to the central bore to move between a second open position with the bore aligned with the central bore and a second closed position with the bore out of alignment with the central bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.