Patent · US Active

Electrical treatment for oil based drilling or completion fluids

US7935237B2 · kind B2 · utility

1Cited by

8References

20Claims

0Family size

Inventors

Michelle Bridget Carrier · London, GB
Gerald Meeten · Ware, GB

Key dates

Filing date	Jul 2, 2004
Grant date	May 3, 2011
Priority date	—
Expiry date	May 23, 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 (1) 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.