Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1982-09-21
1983-11-15
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 87, 106 88, 106 90, 106110, 166293, 166294, C04B 1502
Patent
active
044153660
ABSTRACT:
A foamed, thixotropic hydraulic cement slurry and method of using same in cementing subterranean voids. This lightweight cement slurry is particularly useful for cementing in oil or gas wellbores penetrating a weak underground formation which will be broken by cement slurries of ordinary density.
REFERENCES:
patent: 3583172 (1971-06-01), Koudelka et al.
patent: 3959003 (1976-05-01), Ostroot et al.
patent: 4045236 (1977-08-01), Bianchi
patent: 4234344 (1980-11-01), Tinsley et al.
patent: 4235291 (1980-11-01), Messenger
Guffey J. B.
Poer James
The Dow Chemical Company
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