Method for finishing a tubular threaded member with a dry protection coating

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United States of America Patent

PATENT NO 9395028
APP PUB NO 20140308455A1
SERIAL NO

14316351

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Abstract

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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 behavior 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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Patent Owner(s)

  • NIPPON STEEL & SUMITOMO METAL CORPORATION;VALLOUREC OIL AND GAS FRANCE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bordet, Laurent Lille, FR 3 26
Gard, Eric Sathonay Village, FR 20 113
Gillot, Laurent Valenciennes, FR 5 48
Pinel, Eliette Sainte-Euphemie, FR 16 108

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