Patent · US Active

Electrical treatment for oil based drilling or completion fluids

US7837849B2 · kind B2 · utility

1Cited by
10References
8Claims
0Family size

Inventors

Key dates

Filing dateDec 9, 2004
Grant dateNov 23, 2010
Priority date
Expiry dateNov 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.