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:
Aug. 27, 2013
Filed:
Jul. 13, 2012
Applicants:
Michel Michaux, Verrieres-le-Buisson, FR;
Sylvaine Le Roy-delage, Paris, FR;
Inventors:
Michel Michaux, Verrieres-le-Buisson, FR;
Sylvaine Le Roy-Delage, Paris, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 26/00 (2006.01); C04B 26/04 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a cementing composition for use in oilfield application, wherein a significant amount of cement is left intentionally un-hydrated when the cement is set; such that said amount of un-hydrated cement becomes hydrated when the set cement is damaged.