The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 1984
Filed:
Aug. 12, 1983
Applicant:
Inventors:
Clifford P Ronden, Edmonton, CA;
Donald C Boylance, Potomac, MD (US);
Assignee:
Husky Oil Operations Ltd., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208188 ; 208226 ; 208229 ; 208230 ;
Abstract
Petroleum crudes, particularly heavy oil crudes produced by thermal or other enhanced recovery procedures, are treated to break the water-in-oil emulsion and reduce the BS&W content by use of additives, advantageously ammonium bisulfite, which act upon inorganic sulfur contained in the crude.