Methods of controlling fines migration in a well
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United States of America Patent
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Jul 13, 2021
Grant Date -
Jan 3, 2019
app pub date -
Mar 1, 2017
filing date -
Mar 2, 2016
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Abstract
A method of treating a subterranean formation penetrated by a wellbore comprises: introducing into the subterranean formation a treatment fluid comprising a carbonate producing agent, urea, and a cation source; allowing a carbonate precipitate to form, the carbonate precipitate comprising a cation from the cation source and having a water solubility of less than about 0.1 g/100 mL at 25° C. and atmospheric pressure; and reducing or substantially preventing the passage of formation particles from the subterranean formation into the wellbore while allowing passage of formation fluids from the subterranean formation into the wellbore.
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