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:
Aug. 14, 2007

Filed:

May. 19, 2005
Applicants:

Jiten Chatterji, Duncan, OK (US);

D. Chad Brenneis, Marlow, OK (US);

Bobby J. King, Duncan, OK (US);

Roger S. Cromwell, Walters, OK (US);

Dennis W. Gray, Comanche, OK (US);

Inventors:

Jiten Chatterji, Duncan, OK (US);

D. Chad Brenneis, Marlow, OK (US);

Bobby J. King, Duncan, OK (US);

Roger S. Cromwell, Walters, OK (US);

Dennis W. Gray, Comanche, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); E21B 33/138 (2006.01);
U.S. Cl.
CPC ...
Abstract

Exemplary embodiments relate to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing additive, that comprises a mixture of an alkali salt of an alkyl ether sulfate surfactant, wherein the alkali salt of the alkyl ether sulfate surfactant comprises a mixture of an alkali salt of a Calkyl ether sulfate surfactant, and an alkali salt of a Calkyl ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, an alkyl or alkene amidopropyl dimethylamine oxide surfactant, sodium chloride, and water, is provided. Also provided are foamed cement compositions that comprise the foaming and stabilizing additive, and associated methods.


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