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:
Apr. 20, 2021
Filed:
Sep. 12, 2016
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Thomas Singh Sodhi, New Caney, TX (US);
Kyriacos Agapiou, Houston, TX (US);
Aleksey Kolasnikov, Humble, TX (US);
Sam J. Lewis, Spring, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/467 (2006.01); C04B 28/04 (2006.01); C04B 22/00 (2006.01); C04B 22/06 (2006.01); C04B 24/16 (2006.01); C04B 24/22 (2006.01); C04B 24/26 (2006.01); C04B 24/38 (2006.01); C04B 28/02 (2006.01); C04B 40/00 (2006.01); E21B 33/14 (2006.01); C04B 103/44 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); C04B 22/008 (2013.01); C04B 22/066 (2013.01); C04B 24/166 (2013.01); C04B 24/22 (2013.01); C04B 24/2641 (2013.01); C04B 24/2652 (2013.01); C04B 24/38 (2013.01); C04B 24/383 (2013.01); C04B 28/02 (2013.01); C04B 28/04 (2013.01); C04B 40/0039 (2013.01); E21B 33/14 (2013.01); C04B 2103/44 (2013.01);
Abstract
A method including introducing a well cementing composition into a wellbore, the cementing composition including a pumpable slurry of cement comprising a liquid anti-shrinkage additive including: an aqueous base fluid; a calcined magnesium oxide; and an anti-hydration agent; and allowing at least a portion of the cementing composition to harden. A liquid anti-shrinkage additive for cement including an aqueous base fluid, a calcined magnesium oxide, and an anti-hydration agent.