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.

Date of Patent:
Jun. 11, 2024

Filed:

Nov. 10, 2021
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Simone Musso, Houston, TX (US);

Sivaprakash Shanmugam, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/473 (2006.01); C04B 22/06 (2006.01); C04B 24/26 (2006.01); C08F 220/06 (2006.01); C08L 51/10 (2006.01); C04B 103/00 (2006.01);
U.S. Cl.
CPC ...
C04B 24/2641 (2013.01); C04B 22/064 (2013.01); C08F 220/06 (2013.01); C08L 51/10 (2013.01); C09K 8/473 (2013.01); C04B 2103/0059 (2013.01); C04B 2103/0061 (2013.01);
Abstract

Cement slurries, cured cements, and methods of making cured cement and methods of using cement slurries are provided. The cement slurries have, among other attributes, improved expanding capabilities and may be used, for instance, in the oil and gas drilling industry. The cement slurry comprises water, a cement precursor material, and an expanding agent. The expanding agent comprising at least a poly(acrylic acid)-metal oxide nanocomposite, where the metal oxide comprises MgO, CaO, or both, and the poly(acrylic acid) comprises a t-butyl terminal group, an isobornyl terminal group, or both.


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