Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants
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United States of America Patent
Stats
-
Jan 24, 1984
Grant Date -
N/A
app pub date -
Aug 4, 1982
filing date -
Feb 9, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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