Pumpable thixotropic cement slurries for use in cementing pipes

Details Pumpable thixotropic cement slurries for use in cementing pipes Pumpable thixotropic cement slurries for use in cementing pipes

1978-09-18

1983-11-15

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106118, 106314, 166292, 166293, C04B 735

Patent

active

044153678

ABSTRACT:
Cement slurries comprising (a) iron (II) sulfate, or hydrate thereof, (b) aluminum sulfate, or a hydrate thereof, (c) a hydraulic cement comprising calcium hydroxide or a hydrolyzable calcium oxide (e.g., a Portland cement), and (d) water, are described. These cement slurries are pumpable and thixotropic and have particular utility in cementing pipe into the borehole of a petroleum well.

REFERENCES:
patent: 931884 (1909-08-01), McCormick
patent: 1370646 (1921-03-01), Hayward et al.
patent: 1843779 (1932-02-01), McWhorter
patent: 2184271 (1939-12-01), Colton
patent: 2806531 (1957-09-01), Morgan et al.
patent: 3425892 (1969-02-01), Edelson et al.
patent: 3891454 (1975-06-01), Cunningham et al.

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