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Proppants and anti-flowback additives including kaolin clay
A method of making a sintered ceramic proppant may include providing a kaolin clay. The kaolin clay may include an Al2O3 content no greater than about 46% by weight, and a K2O content no greater than 0.1% by weight. The kaolin clay may have a particle size distribution such that greater than 70% of the particles have an equivalent spherical diameter of less than 0.5 microns as measured by Sedigraph, and a shape factor less than about 18. The method may further include blunging the kaolin clay, agglomerating the kaolin clay, and sintering the agglomerated kaolin clay to produce a sintered ceramic proppant. The kaolin clay may have an A-bob Hercules viscosity of at least about 3,300 rpm at 18 kilodyne-cm and 70% solids.
Proppants and anti-flowback additives including kaolin clay
A method of making a sintered ceramic proppant may include providing a kaolin clay. The kaolin clay may include an Al2O3 content no greater than about 46% by weight, and a K2O content no greater than 0.1% by weight. The kaolin clay may have a particle size distribution such that greater than 70% of the particles have an equivalent spherical diameter of less than 0.5 microns as measured by Sedigraph, and a shape factor less than about 18. The method may further include blunging the kaolin clay, agglomerating the kaolin clay, and sintering the agglomerated kaolin clay to produce a sintered ceramic proppant. The kaolin clay may have an A-bob Hercules viscosity of at least about 3,300 rpm at 18 kilodyne-cm and 70% solids.
Proppants and anti-flowback additives including kaolin clay
ANSCHUTZ DONALD ALLEN (author) / BURGESS MICHAEL (author) / PRUETT ROBERT J (author)
2017-09-26
Patent
Electronic Resource
English
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