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:
Feb. 27, 2018
Filed:
Sep. 30, 2014
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Kyriacos Agapiou, Houston, TX (US);
Cody Glenn Harris, Tomball, TX (US);
Jeffery Dwane Karcher, Houston, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/04 (2006.01); E21B 33/14 (2006.01); C09K 8/467 (2006.01); C04B 22/00 (2006.01); C04B 40/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); C04B 22/008 (2013.01); C04B 22/0093 (2013.01); C04B 28/04 (2013.01); C04B 40/0039 (2013.01); E21B 33/14 (2013.01);
Abstract
An expansive cement composition including a Portland cement having a calcium aluminate cement additive and a lithium compound additive is provided. The lithium compound additive is capable of producing expansion in set cements when the temperature is at or below room temperature and minimizes the amount of calcium aluminate cement additive needed.