Cement slurry compositions for cementing oil wells, adapted to c

Details Cement slurry compositions for cementing oil wells, adapted to c Cement slurry compositions for cementing oil wells, adapted to c

1983-12-28

1988-10-18

Capella, Steven

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 90, 106314, 524 6, 166293, C04B 2208

Patent

active

047785284

ABSTRACT:
The invention relates to an additive adapted to suppress free water in conditions of "over-dispersion" of the cement when cementing an oil well. This additive is selected from cerain metal soluble salts such as Mg, Ni, etc. This additive modifies neither the other properties of the slurry (in particular setting time) nor the action of other additives (in particular of retarders).

REFERENCES:
patent: 2806531 (1957-09-01), Morgan et al.
patent: 3429724 (1969-02-01), Keenum et al.
patent: 3429725 (1969-02-01), Keenum et al.
patent: 3847635 (1974-11-01), Lange et al.
patent: 3993134 (1976-11-01), Adams
patent: 4011092 (1977-03-01), Yue
patent: 4424074 (1984-01-01), Villa et al.
patent: 4441929 (1984-04-01), Marcellis et al.
patent: 4482383 (1984-11-01), McKenzie
patent: 4573534 (1986-03-01), Baker et al.

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