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:
Apr. 09, 2013
Filed:
Feb. 23, 2010
Arthur Milne, Martinez, AR;
Eric Gin Wai Lian, Villahermosa, MX;
Sandra Janette Montoya Padilla, Medellin, CO;
Mario Ulloa, Aguascalientes, MX;
Frederic Vincent Martin, Argentan, FR;
Mathew M. Samuel, Sugar Land, TX (US);
Arthur Milne, Martinez, AR;
Eric Gin Wai Lian, Villahermosa, MX;
Sandra Janette Montoya Padilla, Medellin, CO;
Mario Ulloa, Aguascalientes, MX;
Frederic Vincent Martin, Argentan, FR;
Mathew M. Samuel, Sugar Land, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A fluid containing a viscous hyposaline aqueous solution of first and second cationic polymers that include quatemized ammonium groups, wherein the first cationic polymer includes a hydrophilic base polymer structure and the second cationic polymer includes a lipophilic base polymer Also disclosed is a method of introducing the viscous fluid into an initial first interval of a subterranean formation, and diverting with the viscous fluid a treating fluid from the initial first interval to an initial second interval.