Measuring and testing – Vibration – By mechanical waves
Patent
1998-08-24
2000-06-06
Kwok, Helen C.
Measuring and testing
Vibration
By mechanical waves
73597, 73803, G01N 2904, G01N 2918
Patent
active
060704659
ABSTRACT:
An free water measurement apparatus and device for measuring the free water that separates from the cement slurry as a matter of time during curing. There is also provided an apparatus and method for measuring the free water that separates from the cement slurry under the temperature and pressure conditions the cement slurry will encounter in the well-bore of an oil and gas well. The apparatus and method provided may further measure the compressive strength measurement of the cement slurry as it is cured.
REFERENCES:
patent: 4019576 (1977-04-01), Finch
patent: 4259868 (1981-04-01), Rao et al.
patent: 5412990 (1995-05-01), D'Angelo et al.
patent: 5487300 (1996-01-01), Brackett et al.
patent: 5567765 (1996-10-01), Rao et al.
patent: 5741971 (1998-04-01), Lacy
Dresser Industries
Kwok Helen C.
McCollum Patrick H.
Torres Carlos A.
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