The way I see it, a good nitrogen setup comes down to three things working together. Plenty of product onboard. A small footprint. And the ability to actually move it around the job. Get all three and the work gets easier. Miss one and you feel it all day.

I have spent a lot of years getting nitrogen onto jobsites, and the thing that surprised me most when we built our trailer was simple. The hard part is usually not the nitrogen. It is finding room for the truck that carries it.

For a long time the answer was always a bobtail, the 40 to 55 foot tractor and tank rig. It works, and on the right job it is still the right call. But I kept hitting the same wall. We would win work on a refinery turnaround, a tank farm, a congested tie in, a data center build, and then spend half the planning meeting figuring out where we were even going to park. The gas was never the question. The footprint was.

So we built something to fix that, and I am proud of how it came out.

Same Product, About a Third of the Truck

Our trailer carries 50,000 plus SCF of usable nitrogen and takes up roughly one third of the footprint of a standard bobtail. It tows behind a pickup, not a big rig. You still need a CDL to move it, but you are not routing a semi-tractor through plant traffic or spending half a day staging.

The reason it fits is pressure. A bobtail stores nitrogen at around 2,200 PSI, so the tank has to be big. We store at up to 6,500 PSI on select systems. Higher pressure packs more gas into less space, so we get the same usable product in a much smaller package. Sixteen high-pressure tubes, plumbed together as one delivery system. That is the whole trick, and it changes which jobs you can physically do.

The Part Nobody Puts in the Spec Sheet

Here is what I have learned watching crews work. Footprint is not just about getting on site. It is about moving once you are there.

A bobtail is a commitment. You set it, and moving it mid job is its own little project. With our trailer I can reposition in minutes. On a tie in where the work walks down the right of way, or a plant where you are chasing four or five test points, that matters more than any number on a brochure. I have watched our trailer slide into a spot a bobtail would never reach, and the crew just got on with the work.

That is the quiet win. Not a bigger tank. The ability to put a large volume of nitrogen exactly where the work actually is.

Where Bobtails Still Win

I am not going to pretend our trailer is the answer to everything, because it is not, and you would catch me on it anyway.

If you are running a sustained multi week mainline job with full semi access and wide open room, a bobtail’s continuous volume is a sound choice. That is what it is built for, and I will say so plainly. What I push back on is reaching for a bobtail on every job out of habit, because that habit leaves a lot of tight access work harder and more expensive than it needs to be.

For tight sites and multi test sequences, a compact high-pressure trailer brings the product you need without the rig you do not.

What That Buys You on a Real Job

When the truck fits, everything downstream gets easier. Less time staging. Fewer access headaches with the plant. The ability to move with the work instead of around it. And you give up nothing on quality, because we deliver at 99.5 percent N2 or better, clean enough for the purging, drying, and commissioning specs that have real teeth.

Lots of product, small footprint, easy to move. That is the combination, and it is why I stopped defaulting to a bobtail.

Frequently Asked Questions