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:
Jul. 17, 2007
Filed:
Dec. 07, 2005
Applicants:
Jiten Chatterji, Duncan, OK (US);
James F. Heathman, Katy, TX (US);
Dennis W. Gray, Comanche, OK (US);
Bryan K. Waugh, Comanche, OK (US);
Inventors:
Jiten Chatterji, Duncan, OK (US);
James F. Heathman, Katy, TX (US);
Dennis W. Gray, Comanche, OK (US);
Bryan K. Waugh, Comanche, OK (US);
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/00 (2006.01); C04B 24/12 (2006.01); C04B 24/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cement compositions, that comprise water, a cement, a strength-retrogression additive, and an acid, wherein the acid comprises ethylenediamine tetra acetic acid, nitrilotriacetic acid, or a combination thereof, are provided. Methods of cementing in a subterranean formation, methods of retarding the set time of a cement composition, and set retarder compositions also are provided.