Treating wells with ion-exchange-precipitated scale inhibitor
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United States of America Patent
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Jul 19, 1983
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N/A
app pub date -
Apr 9, 1981
filing date -
Apr 9, 1981
priority date (Note) -
Expired
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Abstract
The scaling of a production well in a clay-containing reservoir is inhibited by injecting a scale inhibitor dissolved in an aqueous solution having a pH and ratio of monovalent-to-multivalent cations such that multivalent cation salts of the inhibitor are precipitated as a result of a cation-exchange within the reservoir.
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