Patent · US Expired

Jet pump treatment of heavy oil production sand

US6074549A · kind A · utility

40Cited by
18References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 1998
Grant dateJun 13, 2000
Priority date
Expiry dateSep 11, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2221/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In a process for separating oily films from sand particles carried in a sent free water stream, the use of a jet pump scrubber in a density classification tank to treat such oily coated particles at controlled operating temperatures above 65.degree. C. whereby at such controlled temperature enhanced cavitation in said jet pump separates said oily film from said sand particles to form slop oil, said tank providing for recirculation of sand particles through said jet pump before discharge.

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