Hydraulic cement slurry

Details Hydraulic cement slurry Hydraulic cement slurry

1987-09-17

1990-06-12

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106676, 106681, 106819, 106672, 166293, C04B 1416, C04B 1406, C04B 702

Patent

active

049330314

ABSTRACT:
Hydraulic cement slurry for use in cementation of oil wells containing hydraulic cement, 5-100% microsilica based on the weight of cement, 2-200% light weight aggregate with a real particle density between 0.1 and 1.5 g/cm.sup.3 based on the weight of the cement, 0-5% thinner (dry weight) based on the weight of the cement, 0-10% fluid loss additive (dry weight) based on the weight of the cement, and water in such an amount that the cement slurry has a density between 0.8 and 2.0 g/cm.sup.3.
The cement slurry according to the present invention is gas tight and can thereby be used for cementation of oil well in fields having gas containing formations.

REFERENCES:
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patent: 4252193 (1981-02-01), Powers et al.
patent: 4305758 (1981-12-01), Powers et al.
patent: 4385935 (1983-05-01), Skjeldal
patent: 4455169 (1984-06-01), Chatterji et al.
patent: 4501830 (1985-02-01), Miller et al.
patent: 4504320 (1985-03-01), Rizer et al.
patent: 4569395 (1986-02-01), Carpenter

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