Controlling ferric ions while acidizing subterranean formations
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United States of America Patent
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Aug 29, 1995
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N/A
app pub date -
Apr 21, 1994
filing date -
Apr 21, 1994
priority date (Note) -
Expired
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Abstract
A composition for and method of treating a subterranean hydrocarbon producing formation is provided. The treatment, when conducted in the presence of ferric ions, prevents the development of insoluble ferric iron-containing compounds and also prevents the development of sludge in heavy crude.
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