Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same

Abstract

A coating and bonding composition is disclosed which includes a suspending agent, bonding agent, thinning agent, and a particulate fluoride anti-seize agent designed to bond a particulate fluoride film to the thread surface to prevent seizing and galling. A anti-seize / lubricating composition is also disclosed where an environmentally friendly lubricating composition is applied as a top coat to the bonding composition and to methods for making and using the compositions.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a thread compound composition including a non-metallic anti-seize agent for use in all manner of threaded connections and especially for use in oilfield tool joints, drill collars, casing, tubing, line pipe, flow lines and subsurface production tools and petrochemical plant fasteners. [0003] More particularly, the present invention relates to a thread compound composition including a coating compound comprising a particulate non-metallic, anti-seize agent and bonding composition and a fluid lubricating top coat for use in all manner of threaded connections including oilfield tool joints, drill collars, casing, tubing, line pipe, flow lines, subsurface production tools, oil processing equipment, industrial equipment or the like to provide controlled frictional properties to suit the connection design requirements. [0004] 2. Description of the Related Art [0005] Environmental regulatio...

AI Technical Summary

Benefits of technology

[0012] The present invention provides an anti-seize composition including a particulate, non-metallic, anti-seize agent and a resin bonding system, where the composition is designed to bond to contacting surfaces to form an anti-seize film with adequate film strength to protect the surfaces from seizing, galling, or failure and to minimize metal release into the environment during engaging and disengaging the contacting surfaces.

Problems solved by technology

As a result of the environmental restrictions and the removal or reduction in amount of these metallic agents, premature connection wear and failures are more prevalent due to the use of unrestricted agents in place of the metallic a gents that have inferior galling resistance and frictional properties.

This additional engagement can result in wear, galling or complete connection failure.

The fusion could then ultimately result in galling upon disengagement of the connection or in the worst case scenario, cause catastrophic failure of the connection.

In addition to restricting the use ofinetallic additives, many of the environmental regulations are restricting the use (or the potential introduction into the environment) of various organic fluid additives.

Most commercial products free of these additives, however, still lack the galling resistance and frictional properties required to perform optimally in severe applications.

In addition, on certain high chrome and high nickel alloys still failed to greatly reduce the incidence of galling to acceptable limits to the connection manufacturers.