Patent · US Expired

Apparatus and method for separating oil, water and solids

US6378608B1 · kind B1 · utility

19Cited by

9References

10Claims

0Family size

Assignee

Framo Engineering AS · NO

Inventors

Finn P. Nilsen · Bergen, NO
Erik Nilsen · Oslo, NO

Key dates

Filing date	Sep 25, 2000
Grant date	Apr 30, 2002
Priority date	—
Expiry date	Sep 25, 2020

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/35
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An apparatus for separating water from an oil mixture extracted from a well that is adapted to be positioned downhole and that includes a hydrocyclone (6), an electrostatic coalescence unit (8), a centrifugal device (10), and a re-injection pump.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.