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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.:

US 11732177 B1

PDFFull Text
Date of Patent:
Aug. 22, 2023

Filed:

Nov. 10, 2021

Cement slurries, cured cement and methods of making and use of these

Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Simone Musso, Houston, TX (US);

Sivaprakash Shanmugam, Houston, TX (US);

Assignee:

Saudi Arabian Oil Company, Dharhan, SA;

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Anthony J Green

Int. Cl.
CPC ...
C09K 8/467 (2006.01); C04B 24/40 (2006.01); C04B 28/02 (2006.01); C08G 63/91 (2006.01); E21B 33/14 (2006.01); C04B 103/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/467 (2013.01); C04B 24/405 (2013.01); C04B 28/02 (2013.01); C08G 63/916 (2013.01); C08G 63/918 (2013.01); E21B 33/14 (2013.01); C04B 2103/0067 (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(lactic acid)-metal oxide nanocomposite. The metal oxide comprises MgO, CaO, or both, and the poly(lactic acid) comprises a carboxylic acid terminal group.

Find Patent Forward Citations

Musso, Simone. (2023). Cement slurries, cured cement and methods of making and use of these (U.S. Patent No. 11732177). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11732177

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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