Tubular threaded element provided with a dry protective coating

Details Tubular threaded element provided with a dry protective coating Tubular threaded element provided with a dry protective coating

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/00 (2006.01) F16L 58/18 (2006.01)

Patent

CA 2625090

The coating (11) comprises a solid matrix adhering to the substrate (13) in which are dispersed particles of solid lubricants from at least two classes which are selected to exert a synergistic effect between themselves and with the constituents of the matrix. Protection against corrosion and against galling of the threadings of threaded elements used in hydrocarbon wells.

Le revêtement selon l'invention comprend une matrice solide qui adhère au substrat, cette matrice renferme des particules dispersées de lubrifiants solides appartenant à au moins deux classes qui sont sélectionnées pour exercer un effet synergique entre elles et avec les constituants de la matrice. Cette protection anticorrosion et antigrippage des filets d'éléments filetés est utilisée dans des puits d'hydrocarbures.

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