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CERAMIC PROPPANT AND METHOD FOR PRODUCING SAME

  • US 20190031568A1
  • Filed: 02/08/2017
  • Published: 01/31/2019
  • Est. Priority Date: 02/19/2016
  • Status: Active Grant
First Claim
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1. A method for producing a ceramic proppant, comprising the steps of:

  • a) preparation, including grinding source materials, which contain magnesium-containing material, and auxiliary materials to produce a charge material;

    b) granulating the charge material to produce proppant precursor granules; and

    c) firing the proppant precursor granules to produce proppant granules, wherein the method comprises the step of pre-firing the magnesium-containing material in a reducing atmosphere.

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