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:
Oct. 23, 2007
Filed:
Apr. 07, 2005
Applicants:
William J. Caveny, Rush Springs, OK (US);
Rickey L. Morgan, Duncan, OK (US);
Ronney R. Koch, Duncan, OK (US);
Inventors:
William J. Caveny, Rush Springs, OK (US);
Rickey L. Morgan, Duncan, OK (US);
Ronney R. Koch, Duncan, OK (US);
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/12 (2006.01); C04B 24/16 (2006.01); C04B 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cement compositions are provided that comprise a hydraulic cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In some embodiments, cement compositions are provided that comprise a hydraulic cement comprising a cement, water, and a set retarder composition, the set retarder composition comprising a lignin-based retarder and an iron compound.