PRODUCED WATER TREATMENT IN OIL RECOVERY
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Oct 8, 2014
filing date -
Mar 22, 2012
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Abandoned
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Abstract
An oil recovery process that utilizes one or more filtration medium comprises a filter cake and a second filtration medium being nonwovens sheet to remove silica and/or oil and/or dissolved organics and/or dissolved solids from produced water which includes separating oil from the produced water and precipitating silica into particles and wherein the produced water having the precipitated silica is directed to a filtration medium which operates in a direct flow filtration mode and removes the precipitated silica from the produced water to form a filtrate stream.
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