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:
Jul. 01, 1980
Filed:
Feb. 07, 1979
Applicant:
Inventors:
Charles A Christopher, Jr, Broken Arrow, OK (US);
Alvin O Clauset, Jr, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166270 ; 166273 ; 166294 ;
Abstract
Fresh water solutions of pectic materials are injected into high permeability zones in the subterranean reservoir wherein said materials upon contact with brine solutions form thick gels for the purpose of reducing the permeability of these high permeability zones thereby improving the vertical conformance efficiency of flooding operations within the reservoir.