Tubular threaded member with dry protection coating

Details Tubular threaded member with dry protection coating Tubular threaded member with dry protection coating

F - Mech Eng,Light,Heat,Weapons

16

L

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

Patent

CA 2683323

The coating of the invention includes a solid matrix adhering to the substrate and in which are dispersed particles (11) of at least one solid lubricant that belongs to the same one class. The solid matrix is lubricating and has a rheologic behaviour of the plastic or viscoplastic type. The invention can be used for protecting the threads of threaded members used in hydrocarbon wells against corrosion and seizure.

Le revêtement comprend une matrice solide adhérant au substrat dans laquelle sont dispersées des particules (11) d'au moins un lubrifiant solide appartenant à une seule et même classe. La matrice solide est lubrifiante et présente un comportement rhéologique du type plastique ou viscoplastique. L'invention fournit permet de protéger les filetages des éléments filetés utilisés dans les puits d'hydrocarbures contre la corrosion et contre le grippage.

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