Patent · US Expired

Oil desalting and dewatering

US7008536B2 · kind B2 · utility

6Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2003
Grant dateMar 7, 2006
Priority date
Expiry dateJul 8, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/05
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention includes a method for dewatering and/or desalting a water-in-oil emulsion comprising introducing a plurality of streams of the emulsion into the electrostatic field under opposed flow whereby the water coalescence is enhanced. The invention also includes an improved electrostatic apparatus for dewatering and/or desalting a water-in-oil emulsion comprising a plurality of horizontally directed nozzles positioned to introduce a plurality of streams of the emulsion into the electrostatic field under opposed flow conditions.

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