Blowout preventer test joint assembly, for testing variable bore rams, shear rams, and annulars
US9506312B2 · kind B2 · utility
1Cited by
19References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2015 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Feb 3, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention discloses a test joint assembly for testing subsea BOP stack valves and annulars in one trip. The test joint assembly has an outer mandrel and a telescopically extendable inner mandrel. The inner mandrel seals against a bottom sub member using a bullnose sealing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.