Process for rapidly determining the swelling-clay content of...

Details Process for rapidly determining the swelling-clay content of... Process for rapidly determining the swelling-clay content of...

G - Physics

01

R

324/42

G01R 31/12 (2006.01) G01N 27/22 (2006.01) G01N 33/38 (2006.01) G01R 27/26 (2006.01)

Patent

CA 2016904

ABSTRACT OF THE DISCLOSURE A method for determining at wellsites the swelling-clay content of cement mixtures by high-frequency dielectric measurements including: grinding a cement mix sample to a size suitable for testing; washing the cement mix sample with a fluid having a water activity substantially less than water, which may contain a soluble cation; packing the washed cement mix sample into a sample cell suitable for dielectric measurement; measuring the dielectric constant at a preselected frequency; and comparing the measured dielectric constant of the cement mix sample to calibration curves.

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