Blowout preventer trolley
US9500040B2 · kind B2 · utility
2Cited by
21References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2015 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Mar 5, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A box substructure for a drill rig has a box frame including a medial side oriented towards a space located under a drill floor of the drill rig. A trolley structure is connected to the box frame and protrudes away from the medial side. The trolley structure also has an overhanging end opposite of the medial side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.