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. 09, 2021
Filed:
Apr. 10, 2017
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Nicolas Droger, Clamart, FR;
Mickael Allouche, Clamart, FR;
Katia Dennis, Clamart, FR;
Sylwia Komocki, Clamart, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); C09K 8/473 (2006.01); C04B 28/02 (2006.01); C04B 20/10 (2006.01); C09K 8/467 (2006.01); C04B 40/06 (2006.01); C04B 22/06 (2006.01); C04B 111/34 (2006.01); C04B 111/40 (2006.01);
U.S. Cl.
CPC ...
C09K 8/473 (2013.01); C04B 20/1037 (2013.01); C04B 20/1051 (2013.01); C04B 20/1074 (2013.01); C04B 20/1085 (2013.01); C04B 22/064 (2013.01); C04B 22/066 (2013.01); C04B 28/02 (2013.01); C04B 40/0633 (2013.01); C09K 8/467 (2013.01); E21B 33/14 (2013.01); C04B 2111/34 (2013.01); C04B 2111/40 (2013.01);
Abstract
Methods to prepare a well cementing slurry include coating particles comprising an expanding agent with a component selected from the group consisting of a phenolic resin, a silica, a calcination product of a polysiloxane oil, and a combination thereof; and combining the coated particles with mix water and hydraulic cement to form a cement slurry for cementing a well.