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Electrically-conductive proppant and methods for making and using same

United States Patent

9,434,875
September 6, 2016
View the Complete Patent at the US Patent & Trademark Office
Electrically-conductive sintered, substantially round and spherical particles and methods for producing such electrically-conductive sintered, substantially round and spherical particles from an alumina-containing raw material. Methods for using such electrically-conductive sintered, substantially round and spherical particles in hydraulic fracturing operations.
Cannan; Chad (Cypress, TX), Roper; Todd (Katy, TX), Savoy; Steve (Austin, TX), Mitchell; Daniel R. (Austin, TX)
CARBO CERAMICS INC. (Houston, TX)
14/ 572,486
20160237342
December 16, 2014
STATEMENT OF GOVERNMENTAL INTEREST This invention was made under a CRADA (SC11/01780.00) between CARBO Ceramics, Inc. and Sandia National Laboratories, operated for the United States Department of Energy. The Government has certain rights in this invention.