Use of electroless metal coating to prevent galling of threaded tubular joints
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United States of America Patent
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Jul 19, 1988
Issued Date -
N/A
app pub date -
Oct 10, 1986
filing date -
Jun 18, 1985
priority date (Note) -
Expired
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Abstract
The present invention discloses the use of electroless metal coatings, preferrably copper or zinc, on oil country tubular goods to eliminate galling of the threads, provide a tortuous path as a sealing surface, and provide porous lubricant reservoirs.
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