Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
Mar 6, 2000
filing date -
Mar 29, 1995
priority date (Note) -
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Abstract
The present invention provides a method of treating a subterranean formation with a particulate laden fluid whereby particulate flowback is reduced or prevented while also providing a controlled release of a treatment chemical within the formation. The method includes the steps of providing a fluid suspension including a mixture of a particulate, a tackifying compound and a treatment chemical, pumping the suspension into a subterranean formation and depositing the mixture within the formation whereby the tackifying compound retards movement of at least a portion of the particulate within the formation upon flow of fluids from the subterranean formation and said tackifying compound retards release of at least a portion.
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