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. 17, 1978
Filed:
Aug. 25, 1977
Applicant:
Inventors:
Joseph J Valcho, Naperville, IL (US);
Robert E Karll, Batavia, IL (US);
Assignee:
Standard Oil Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252 / ; 166274 ; 166275 ; 252355 ; 252356 ;
Abstract
A method is disclosed for moving and eventually recovering oil from a subterranean oil-bearing formation which comprises injecting into the formation an aqueous fluid containing a succinamate surface-active agent and method for mobility control (imparting viscosity) to a surfactant system used for recovery or moving of oil in an oil-bearing formation.