• Service and Rebuild

    Our nitrogen equipment service department occupies a 7,200 square foot facility within the same location all of our nitrogen manufacturing occurs in Duncan, Oklahoma. We specialize in the service and rebuilding of both fired and heat recovery nitrogen pumping equipment, as well as combination nitrogen and fluid pumping equipment.



    Our service department has engineering support for converting direct-fired to heat recovery (and vice versa) equipment. We are capable of repowering and refurbishing any make or model of pumping equipment. 

    Some of our services include, but are not limited to the following:

    Convert High Rate Direct-Fired to Low Rate Recovery

    • 1MM direct-fired unit converted to 270 heat recovery unit
    • 840K body load direct-fired to 180K heat recovery unit
    • Update existing manual vaporizers to modern electronic controls

    Cold End and Boost Pump Repair

    • We design and manufacture cryogenic cold ends and boost pumps in-house and offer worldwide service and support from strategically positioned service centers. The program is designed to help our customers with the routine servicing of their cold ends and boost pumps on a global footprint. This program is not just limited to Hydra Rig cold ends; we can support other supplier models and also provide new cold ends in replacement of other manufacturers models with a Hydra Rig cold end.

    Additional Services

    • General operational and safety training at customer's facility
    • Unit specific nitrogen training at customer's facility
    • Repair or rebuild vaporizers
    • Hydraulic troubleshooting and repairs
    • Nitrogen power frame repairs
    • Technical assistance available for nitrogen-related equipment
    • Field services available
    • Other services available upon request