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:
Mar. 15, 2016
Filed:
Dec. 16, 2013
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Fatma Daou, Rio de Janeiro, BR;
Anthony Loiseau, Rio de Janeiro, BR;
Bernardo Engelke, Rio de Janerio, BR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 16/04 (2006.01); C09K 8/467 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); E21B 33/13 (2013.01);
Abstract
Well cementing compositions comprise water, an inorganic cement and flexible particles having an average density higher than 1.5 g/cm. The flexible particles may be elastomers. The flexible particles and cement particles may be present in a trimodal particle size distribution. The compositions may be placed in subterranean wells in the context of primary or remedial cementing.