Methods and compositions for using temporary, slow degrading, particulate agents in a subterranean formation
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United States of America Patent
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Jul 19, 2016
Grant Date -
Feb 12, 2015
app pub date -
Jul 22, 2014
filing date -
Aug 7, 2013
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Abstract
Methods, fluids, and compositions are provided for treating subterranean formations. The fluids can be servicing or drilling fluids including a base fluid and a particulate agent or biocide precursor particulate agent. The particulate agent can seal flow paths in the subterranean formation and subsequently can be degraded to allow flow to resume. The particulate agent may be a reaction product of a urea containing compound and an aldehyde containing compound. An example of such a reaction product is a methylene urea.
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