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.:
Date of Patent:
Aug. 19, 2008
Filed:
Dec. 19, 2003
Jiten Chatterji, Duncan, OK (US);
Roger S. Cromwell, Walters, OK (US);
Bobby J. King, Duncan, OK (US);
D. Chad Brenneis, Marlow, OK (US);
Brent P. Balcer, Magnolia, TX (US);
Barry L. Peiser, Katy, TX (US);
Don M. Everett, Houston, TX (US);
Jiten Chatterji, Duncan, OK (US);
Roger S. Cromwell, Walters, OK (US);
Bobby J. King, Duncan, OK (US);
D. Chad Brenneis, Marlow, OK (US);
Brent P. Balcer, Magnolia, TX (US);
Barry L. Peiser, Katy, TX (US);
Don M. Everett, Houston, TX (US);
Halliburton Energy Services, Inc., Duncan, OK (US);
Abstract
Methods of cementing and low density foamed cement compositions therefor are disclosed. A low density foamed cement composition of the invention comprises fly ash comprising calcium oxide or calcium hydroxide, water present in an amount sufficient to form a slurry, a foaming and foam stabilizing surfactant or a mixture of surfactants present in an amount sufficient to facilitate foam and stabilize the foamed cement composition, and sufficient gas to foam the foamed cement composition.