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:
Dec. 29, 2015
Filed:
Jun. 30, 2014
Applicant:
Schlumberger Technology Corporation, Sugar land, TX (US);
Inventors:
Sylvaine Le Roy-Delage, Paris, FR;
Laure Martin, Paris, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01); C09K 8/467 (2006.01); C04B 28/02 (2006.01); C09K 8/487 (2006.01); C09K 8/493 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); C04B 28/02 (2013.01); C09K 8/487 (2013.01); C09K 8/493 (2013.01);
Abstract
A self-adaptive cement formulation includes cement, water, block copolymer and asphaltite-mineral particles. The set cement demonstrates self-healing properties when exposed to methane, and is particularly suited for well-cementing applications. After placement and curing, the self-healing properties help maintain zonal isolation should bonding be disrupted between the set cement and the formation or a casing string, should cracks or defects appear in the set-cement matrix, or both.