NOV Hydra Rig manufactures a full line of cryogenic components to compliment our line of nitrogen pumping units.

National Oilwell Varco's NOV Hydra Rig group is a world leading manufacturer of Nitrogen Pump and Vaporizer Systems for coiled tubing, fracturing, and industrial nitrogen applications. With manufacturing plants in Texas, Oklahoma, Canada, and the UK, NOV Hydra Rig offers a full range line of nitrogen units in both fired and heat recovery design. NOV Hydra Rig has manufactured over 1100 nitrogen pumping units, with skid, truck, and trailer models in use worldwide.