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Composite-Coated Conventional Sucker Rod

CORROSIVE APPLICATIONS

 

In artificial lift applications, especially rod-driven applications, corrosion fatigue is a common, costly sucker rod failure, typically initiated by a corrosion-pit stress riser and propagated by the cyclic loading nature of the equipment. Composite-coated conventional sucker rod involves the adherence of a synthetic fiber and heat-curing epoxy to a steel sucker rod, which prevents well fluids from propagating and causing damage. This proprietary coating has been tested in hot water, hot oil, acid, and brine solutions. To ensure product integrity and success in the field, functional testing with rod elevators and stress impact has also been completed.

Composite-coated conventional sucker rod may require guiding to protect the coating from tubing contact wear, depending on the well configuration and application conditions.

This product is currently in field testing. Contact us to learn more about the trial results or to participate in trialing this product.

TECHNOLOGY: Coating 0.010-in. (0.25 mm) thick composite-coating made of synthetic fiber and heat-cured epoxy adhesive Damage resistant Positively adheres to metal Temperature resistant to 250°F in well fluid Cost effective Available for all size and grades of rods including pony rods Rod Guide-able Guides can be applied over the coating in any spacing or configuration to suit the application (rotary or reciprocating) MORE INFO