Method and apparatus for nondestructive testing cement

Details Method and apparatus for nondestructive testing cement Method and apparatus for nondestructive testing cement

G - Physics

01

N

349/35

G01N 29/00 (2006.01) G01N 29/07 (2006.01) G01N 29/22 (2006.01) G01N 33/38 (2006.01)

Patent

CA 1140248

ABSTRACT OF THE DISCLOSURE Methods and apparatus for the nondestructive testing of cement slurry samples as a function of time are disclosed. sample placed in a temperature and pressure controlled auto- clave is coupled to transducer means under computer control. Ultrasonic energy is propagated through the sample and the transit time is measured. A predetermined relationship re- lating transit time to compressive strength is employed and enables the determination of compressive strength. The measurements are repetitively performed on up to eight samples simultaneously and the time history of the development of compressive strength is recorded.

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