Molded end cap for oilfield screens
US7866482B2 · kind B2 · utility
3Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 2005 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Sep 16, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/065
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter screen to be used in conjunction with a shale shaker in removing solid matter from drilling fluids includes a filter plate having a plurality of perforations, a plurality of hold-down apertures, and a pair of end caps attached to the filter plate, wherein each end cap is configured to isolate the hold down apertures from the plurality of perforations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.