Hydraulic cement slurry

Details Hydraulic cement slurry Hydraulic cement slurry

1989-11-16

1990-06-19

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

166292, 166293, 166294, 405266, 106720, 106721, 106803, C04B 1404

Patent

active

049350609

ABSTRACT:
The cement slurry of the present invention is gas tight, very low strength retrogression at high temperature, and substantially no tendency to settle or segregate. The cement slurry is made with a hydraulic cement, 5-85% microsilica based on the weight of the cement, 5-250% of a high density filler material based on the weight of the cement, 0-5% of a retarder (dry weight) based on the weight of the cement, 0-12% of a thinner (dry weight) based on the weight of the cement, 0-8% of a fluid loss additive (dry weight) based on the weight of the cement, 0-30% silica flour and/or silica sand based on the weight of the cement and water in such an amount that the cement slurry has a density between 1.95 and 2.40 g/cm.sup.3.

REFERENCES:
patent: 4385935 (1983-05-01), Skjeldal
patent: 4725665 (1988-02-01), Pieh et al.

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