Nitrogen Generation System for Underbalanced Drilling

Replacing air with inert nitrogen on your underbalanced drill rig makes good sense; nitrogen is the gas of choice to displace oxygen, retard oxidation, break the burning triangle, prevent explosions, and eliminate the reaction of O2 and hydrocarbons. On Site systems are hard at work now, 24/7, around the world on underbalanced drilling rigs, in oilfields, on offshore platforms, in chemical facilities and manufacturing plants, heat treating facilities, grain silos and any environment where keeping a low oxygen atmosphere is a vital safety issue. On Site N2 generation systems can deliver a constant feed of high purity N2, with flows ranging from 2 scfm to 1500 scfm at low or high pressure. Turnkey N2 generators can be designed for placement on trailers or placed on skids. For immediate needs, our Field Services division can provide short or long term nitrogen generator rentals. Reliability is the key differentiator that makes our PSA or membrane nitrogen systems a logical choice.

Economical emergency nitrogen generator rental within 24 hours available for when you need N2 ASAP. On Site’s experienced field personnel are always ready.

Recommended Nitrogen Systems for Underbalanced Drilling

Portable Nitrogen Generator Container Systems
We design and build our nitrogen-generating systems to fit a steel ISO container or similar structure for ease and security of shipment.

Nitrogen Membrane Generator
The nitrogen membrane generator is a complete turnkey system. It arrives at your location designed and built to your specifications and you put it online.

Nitrogen Generator Membrane Trailer Systems
On Site Gas is one of the top manufacturers of mobile nitrogen generator systems worldwide – available in flows up to 90,000 SCFH and purity as high as 99.9%.

PSA Nitrogen Generator
On Site’s PSA nitrogen generator technology assures quick returns on your investment and stable year-to-year gas costs.


Required Gas: Nitrogen
Purity Range: 95 – 99%