Porous proppants
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United States of America Patent
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Apr 23, 2019
Grant Date -
Feb 1, 2018
app pub date -
Jun 4, 2015
filing date -
Jun 4, 2015
priority date (Note) -
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Abstract
A treatment fluid and a plurality of proppant particles, which comprise a cross-linked polyimide aerogel, are provided for use in the fracking of subterranean formations. The cross-linked polyimide aerogel can have a porosity above about 80% and a compressive strength in the range from about 10,000 psi to about 50,000 psi. The cross-linked polyimide aerogel can be derived by cross-linking oligomers, wherein each oligomer comprises a base unit of one or more dianhydrides and one or more diamines.
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