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:
Oct. 26, 1999
Filed:
Oct. 15, 1996
Applicant:
Inventors:
Annie Audibert, Le Vesinet, FR;
Jacqueline Lecourtier, Rueil Malmaison, FR;
Louise Bailey, Comberton, GB;
Geoffrey Maitland, Girton, GB;
Assignees:
Institut Francais du Petrole, Rueil Malmaison, FR;
Schlumberger Technology Corporation, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
507119 ; 507224 ;
Abstract
The present invention relates to a method of stabilizing argillaceous rocks containing reactive clays in the presence of water, wherein said argillaceous rocks are placed in contact with an aqueous solution containing a polymer with hydrophilic groups and hydrophobic groups.