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:
Apr. 01, 2014

Filed:

Jan. 30, 2007
Applicants:

Ying Xu, Ponca City, OK (US);

B. R. Reddy, Duncan, OK (US);

Rickey Morgan, Duncan, OK (US);

Lance Brothers, Chickasha, OK (US);

Inventors:

Ying Xu, Ponca City, OK (US);

B. R. Reddy, Duncan, OK (US);

Rickey Morgan, Duncan, OK (US);

Lance Brothers, Chickasha, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/74 (2006.01); C23F 11/18 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of servicing a wellbore in contact with a subterranean formation, comprising placing into a wellbore a composition comprising a calcium aluminate cement and a polyvalent cation-containing compound, and allowing the composition to set. A method of increasing the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound. A method of adjusting the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound and at least one other set modifier.


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