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:
Sep. 24, 1985
Filed:
Mar. 23, 1983
Applicant:
Inventor:
Paul R Stapp, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166274 ; 166275 ; 252 / ; 252356 ;
Abstract
A novel viscosity enhancing agent consisting essentially of urea and the sodium salt of an unsaturated carboxylic acid, and also, a viscosity enhanced fluid consisting essentially of salt water and the viscosity enhancing agent. In addition, a process for the enhanced recovery of oil employing the viscosity enhanced fluid as a mobility buffer.