Composite pumping tree with integral shut-off valve
US6176466A · kind A · utility
18Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1999 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87917
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A unitary pumping tree is provided for forming part of a wellhead assembly christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connector, within a body formed as a single piece of steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.