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:
Feb. 22, 2005
Filed:
May. 31, 2002
B. Raghava Reddy, Duncan, OK (US);
Karen Luke, Duncan, OK (US);
Bryan K. Waugh, Comanche, OK (US);
Roger S. Cromwell, Walters, OK (US);
B. Raghava Reddy, Duncan, OK (US);
Karen Luke, Duncan, OK (US);
Bryan K. Waugh, Comanche, OK (US);
Roger S. Cromwell, Walters, OK (US);
Halliburton Energy Services, Inc., Duncan, OK (US);
Abstract
The present invention relates to methods of generating gas in and forming cement compositions that may be introduced into a subterranean zone. A method of the present invention provides a method of generating gas in a cement composition that comprises providing the cement composition comprising a hydraulic cement and water; providing an oxidizing agent; providing at least one gas generating chemical; and contacting the cement composition with the oxidizing agent and/or the gas generating chemical downstream of at least one cement pump so that a gas is generated in the cement composition downstream of at least one cement pump. Methods of foaming cement compositions are also provided.