C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/1, 25/124, 3
C04B 35/626 (2006.01) B01J 2/14 (2006.01) C04B 35/64 (2006.01) C09K 8/80 (2006.01) E21B 43/267 (2006.01)
Patent
CA 1117987
ABSTRACT OF THE DISCLOSURE Spherical sintered ceramic pellets having a spher- icity of at least 0.85 and a density of at least 95% of the theoretical density of the ceramic and the process for manufacturing the pellets utilizing a rotatable table mixer with a rotatable impacting impeller. The invention also comprises a method for propping open fractures in a well utilizing the spherical sintered ceramic pellets.
339222
Carborundum Company (the)
Fetherstonhaugh & Co.
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