Acoustic method for determining the static gel strength of a cem

Details Acoustic method for determining the static gel strength of a cem Acoustic method for determining the static gel strength of a cem

1997-10-09

1999-11-30

Brock, Michael

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Gelling or coagulation

73 5403, G01N 2902, G01N 3338

Patent

active

059922230

ABSTRACT:
An acoustic method and system for determining the static gel strength of one or more cement slurry samples at wellbore temperatures and pressures. The cement slurry sample to be tested is maintained in a static condition inside an acoustic pressure vessel at a controlled temperature and pressure. A first transducer generates an acoustic signal which is transmitted through the sample. A second transducer measures and records the amplitude of the acoustic signal after it transits the sample. This data is then processed and the static gel strength of the sample is determined according to a predetermined relationship relating signal amplitude to static gel strength.

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