PROCESS FOR TREATMENT OF PRODUCED WATER OBTAINED FROM AN ENHANCED OIL RECOVERY PROCESS USING POLYMERS
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 27, 2011
filing date -
Nov 3, 2010
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Abandoned
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Abstract
A process for treatment of produced water obtained from an enhanced oil recovery process from a reservoir, said water containing at least one water-soluble polymer, wherein:
- an oxidising agent is injected into produced water in a quantity such that the viscosity of said water is reduced to a value below 2 cps, advantageously of the order of 1.5 cps, in a short period from the injection of the oxidising agent,a reducing agent is then injected in the necessary quantity to neutralise all the resulting excess oxidising agent.
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