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:
Jun. 30, 1987
Filed:
Nov. 15, 1985
Applicant:
Inventor:
Thomas O Mitchell, Pennington, NJ (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166274 ; 166273 ; 166272 ;
Abstract
A method and composition for improved enhanced oil recovery of oil from a subterranean hydrocarbon-bearing reservoir by effecting simultaneous mobility and profile control in gas flooding which includes pre-injecting into the reservoir an aqueous solution of a water-soluble polymer in combination with a stable surfactant, followed by injecting a gas into the reservoir under pressure sufficient to effect oil production while recovering oil at a producing well of said reservoir.