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:
May. 03, 2022

Filed:

Oct. 23, 2020
Applicant:

CR Minerals Company, Llc, Fort Worth, TX (US);

Inventors:

Joseph Earl Thomas, Malad City, ID (US);

Jeffrey Alexander Whidden, Brentwood, MO (US);

Assignee:

CR Minerals Company, LLC, Fort Worth, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/14 (2006.01); C04B 18/08 (2006.01); C04B 28/04 (2006.01); C09K 8/467 (2006.01); C04B 40/00 (2006.01); C04B 111/21 (2006.01); C04B 111/20 (2006.01);
U.S. Cl.
CPC ...
C04B 14/14 (2013.01); C04B 18/08 (2013.01); C04B 28/04 (2013.01); C04B 40/0039 (2013.01); C09K 8/467 (2013.01); C04B 2111/2015 (2013.01); C04B 2111/2023 (2013.01); C04B 2111/21 (2013.01); Y02W 30/91 (2015.05);
Abstract

Some embodiments of the present invention comprise a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising remediated coal ash, hydraulic cement, and water; and allowing the settable composition to set. Other embodiments comprise a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising remediated coal ash, calcium hydroxide (lime), and water; and allowing the settable composition to set. Other embodiments comprise a settable composition comprising: remediated coal ash, hydraulic cement, calcium hydroxide, natural pozzolan and water; and allowing the composition to set. Other embodiments comprise a settable composition comprising remediated coal ash and any combination of hydraulic cement, calcium hydroxide, slag, fly ash, and natural or other pozzolan.


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