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. 02, 2012
Filed:
Dec. 03, 2008
Applicants:
Diankui Fu, Miri, MY;
Andrey Fedorov, Tyumen, RU;
Olesya Levanyuk, Tyumen, RU;
Eric Clum, Sugar Land, TX (US);
Larisa Kochmar, Clairmont, CA;
Inventors:
Diankui Fu, Miri, MY;
Andrey Fedorov, Tyumen, RU;
Olesya Levanyuk, Tyumen, RU;
Eric Clum, Sugar Land, TX (US);
Larisa Kochmar, Clairmont, CA;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An embodiment of a downhole method of breaking of a well treatment fluid relates to overcrosslinking a polymeric thickener with an overcrosslinking agent such as an excess crosslinking agent and/or an excess alkaline material, wherein either or both the agent and/or material may be encapsulated.