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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 10457601 B1

PDFFull Text
Date of Patent:
Oct. 29, 2019

Filed:

Feb. 12, 2018

Settable compositions comprising remediated fly ash (rfa) and methods of cementing in subterranean formations

Applicant:

CR Minerals Company, Llc, Ohkay Owingeh, NM (US);

Inventors:

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

Jeffrey Alexander Whidden, Brentwood, MO (US);

Assignee:

CR Minerals Company, LLC, Ohkay Owingeh, NM (US);

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Anthony J Green

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);
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 RFA, 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 RFA, calcium hydroxide (lime), and water; and allowing the settable composition to set. Other embodiments comprise a settable composition comprising: RFA, hydraulic cement, calcium hydroxide, natural pozzolan and water; and allowing the composition to set. Other embodiments comprise a settable composition comprising RFA and any combination of hydraulic cement, calcium hydroxide, slag, fly ash, and natural or other pozzolan.

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