Apparatus for pumping a slurry
US5624058A · kind A · utility
10Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | May 3, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S417/90
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus for the transportation and slurrying of cuttings from an oil well or drilling rig is taught comprising a vessel and a vertical shaft type centrifugal pump located below the vessel. Paddles or similar blades are mounted on the shaft to agitate the slurry during pumping. Means for recirculating part of the exiting slurry through a control valve and into the top of the vessel are included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.