TUBULAR THREADED MEMBER WITH DRY PROTECTION COATING
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Apr 13, 2007
filing date -
Apr 13, 2007
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Abandoned
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Abstract
A tubular threaded element including a dry protective coating. The coating includes a solid matrix adhering to the substrate in which there are dispersed particles of at least one solid lubricant belonging to one and the same class. The solid matrix is lubricating and has a rheological behaviour of plastic or viscoplastic type. The coating protects the threadings of the threaded elements, used for example in hydrocarbon wells, from corrosion and galling.
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