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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gabriel Warwick Kerr De Paiva Cortes0
Guilherme De Paiva Cortes0
Sebastião Curimbaba0
Date of Patent
June 7, 2011
Patent Application Number
10554690
Date Filed
June 9, 2003
Patent Primary Examiner
Patent abstract
The present invention relates to a proppant for the hydraulic fracturing of oil or gas wells, which consists of a mixture of from 10 to 95% by weight of a spherical proppant and from 5 to 90% by weight of an angular material, the percentages being based on the total weight of the mixture. The proppant obtained according to the present invention is useful for eliminating or decreasing the “flow-back” phenomenon in operations in oil or gas wells.
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