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:
Nov. 17, 1987
Filed:
Mar. 06, 1987
Applicant:
Inventor:
John J Buckles, Dallas, TX (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
166271 ; 166272 ; 166274 ; 166299 ;
Abstract
Oil is recovered from a subterranean oil-containing formation by fracturing the formation around the injection well and thereafter injecting a CO.sub.2 foam or a mixture of steam and a CO.sub.2 foam into the injection well to displace mobilized oil toward a production well for recovery.