Corrosion inhibitor for heavy brines
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United States of America Patent
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Sep 3, 1985
Grant Date -
N/A
app pub date -
Feb 21, 1984
filing date -
Feb 21, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a method for reducing the corrosive effects of a heavy brine upon a metal by admixing a quantity of a selected corrosion inhibitor with the brine solution. The corrosion inhibitor can comprise at least one member selected from the group consisting of a monovalent or divalent salt of erythorbic acid, a molybdate salt, ferrous gluconate and sodium gluconate. The brine solution can contain potassium, sodium, calcium or zinc halide salts. The corrosion inhibitor can be used in drilling, completion, packer and workover fluids.
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