Measuring and testing – Specific gravity or density of liquid or solid
Reexamination Certificate
2007-10-08
2009-12-15
Fitzgerald, John (Department: 2856)
Measuring and testing
Specific gravity or density of liquid or solid
Reexamination Certificate
active
07631541
ABSTRACT:
An improved method for measuring the density and settling properties of cement slurries. The cement slurry is stirred in a consistometer and heated to a predetermined temperature. The stirring of the cement slurry is then halted and the cement slurry is cooled. The cement slurry is then removed from the consistometer.
REFERENCES:
patent: 4941536 (1990-07-01), Brothers et al.
patent: 6729405 (2004-05-01), DiLullo et al.
patent: 7530396 (2009-05-01), Reddy et al.
patent: 2007/0194476 (2007-08-01), Ramsey
Gordon Christopher
Waugh Bryan
Baker & Botts LLP
Fitzgerald John
Halliburton Energy Service,s Inc.
Wustenberg John W.
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