Extrusion process for proppant production

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United States of America Patent

PATENT NO 9862879
APP PUB NO 20160083645A1
SERIAL NO

14951158

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Abstract

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An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants.

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Patent Owner(s)

Patent OwnerAddress
HALLIBURTON ENERGY SERVICES INC3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chatterjee, Dilip K Houston, US 161 3427
Coker, Christopher E Houston, US 37 1734
Skala, Robert D Houston, US 14 905
Wu, Shanghua Houston, US 25 552
Xie, Yuming Houston, US 84 1257

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