Electrical treatment for oil based drilling or completion fluids
US7837849B2 · kind B2 · utility
1Cited by
10References
8Claims
0Family size
Inventors
Key dates
| Filing date | Dec 9, 2004 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Nov 13, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C5/024
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of removing particulate solids from an oil based drilling or completion fluid is disclosed. The method involves exposing the fluid to an electric field to electrically migrate particulate solids suspended therein, and collecting the migrated particulate solids to remove them from the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.