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. 12, 1984
Filed:
Feb. 16, 1982
Applicant:
Inventors:
Richard A Brown, Ewing, NJ (US);
Frank E Caropreso, Skillman, NJ (US);
Charles J Lymburner, Vancouver, WA (US);
Robert D Norris, Cranbury, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
166303 ; 166 57 ; 166260 ; 166307 ; 166312 ; 166306 ;
Abstract
Means are provided for increasing the productivity of a hydrocarbon formation by modifying the formation in the vicinity of the borehole by a succession of treatments utilizing a first fluid which releases energy within the borehole and a second fluid modifying the fluid within the borehole. The means provides successive treatment of steam, carbon dioxide, oxygen, and inert gases in any order desired.