Fine filtration system
US5341879A · kind A · utility
3Cited by
7References
2Claims
0Family size
Inventor
Key dates
| Filing date | Mar 23, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Mar 23, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/2607
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus and improved method for removing fines or small particles from a particle and liquid mixture, finding particular application in the field of oil and gas well gravel packing and fracturing processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.