Alkali-metal-carboxylate-containing drilling fluid having improved corrosion properties
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United States of America Patent
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May 29, 2001
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N/A
app pub date -
Sep 2, 1999
filing date -
Sep 5, 1998
priority date (Note) -
Expired
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Abstract
The present invention relates to water-based drilling fluids having decreased corrosion properties which comprise, in addition to alkali metal carboxylates, boron compounds and, if appropriate, clays, polymers and coinhibitors.
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