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. 19, 1985
Filed:
Apr. 03, 1984
Applicant:
Inventors:
Lance E Brothers, Lawton, OK (US);
S Prabhakara Rao, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106315 ; 166293 ; 166294 ;
Abstract
Cementing compositions and methods of using same in high temperature oil and gas well cementing operations are disclosed. Such compositions are comprised of fresh or salt water cement slurries, a water-soluble borate and particular terpolymers comprised of a strong acid monomer, a weak acid monomer and a nonionic monomer.