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. 20, 1978
Filed:
Sep. 24, 1976
Applicant:
Inventors:
Guy Chauveteau, Rueil Malmaison, FR;
Jean-Claude Moulu, Le Vesinet, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166294 ;
Abstract
Process for reducing or suppressing water penetration into oil or gas producing wells which comprises injecting an aqueous polymer solution of controlled viscosity into an underground formation and then placing the well on production. The polymer is, for example, hydrolyzed polyacrylamide and the solution is preferably a salt solution.