Sintered spherical pellets containing clay as a major component

Details Sintered spherical pellets containing clay as a major component Sintered spherical pellets containing clay as a major component

1987-04-20

1989-11-07

Lesmes, George F.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

252 8551, 428403, 501127, 501128, B32B 1800, C09K 700

Patent

active

048791814

ABSTRACT:
Sintered, spherical composite pellets or particles comprising one or more clays as a major component and bauxite, alumina, or mixtures thereof, are described, along with the process for their manufacture. The pellets may have an alumina-silica (Al.sub.2 O.sub.3 --SiO.sub.2) ratio from about 9:1 to about 1:1 by weight. The use of such pellets in hydraulic fracturing of subterranean formations is also described.

REFERENCES:
patent: 3437148 (1969-04-01), Colpoys, Jr.
patent: 3758318 (1973-09-01), Farris
patent: 3976138 (1976-08-01), Colpoys, Jr. et al.
patent: 4303204 (1981-12-01), Weston
patent: 4427068 (1984-01-01), Fitzgibbon
patent: 4555493 (1985-11-01), Watson et al.
patent: 4623630 (1986-11-01), Fitzgibbon
patent: 4658899 (1987-04-01), Fitzgibbon
patent: 4668645 (1987-05-01), Khaund
patent: 4680230 (1987-07-01), Gibb et al.

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