Combo Unit Vac Trucks & Specialized Fluids: The Backbone of Oilfield Efficiency
Specialized Fluids: Insight & Optimization
In the oil and gas sector, operational fluid handling isn’t just about moving product—it’s about preventing downtime, protecting assets, and executing jobs in some of the most unpredictable environments on earth. From frozen lines in the middle of winter to sour crude cleanups during a tight shutdown window, the equipment and methods used on the front lines can mean the difference between a clean restart and a multi-day delay. Combo Unit Vac Trucks, chemical cleaning systems, high-pressure washing, and fluid heating have all become cornerstone solutions across the industry, evolving from niche tools into daily-use assets.
At Solution Services, we’ve built our Specialized Fluids division around these realities. We’ve worked in the same mud, snow, and steam as the crews we support. We understand that every successful operation hinges on more than just equipment—it’s about timing, experience, and being ready for the curveballs that every site throws your way.

Combo Unit Vac Trucks: The Unsung Heroes of Shutdown Season
Combo Unit Vac Trucks are essential tools that keep operations moving during shutdowns, start-ups, and ongoing facility maintenance. These trucks are outfitted with both high-pressure washing capabilities and powerful vacuum systems, allowing a single unit to blast sludge loose and remove it in the same pass. This dual-function capability is especially useful in tight windows or remote areas where additional equipment mobilizations can cause costly delays.
During a recent tank cleaning project for a midstream client, Solution Services was tasked with removing thick sludge and residual hydrocarbons from crude oil storage tanks. Using our Combo Unit Vac Trucks, we were able to perform high-pressure washing and sludge removal in a single coordinated process. The integration of services reduced total cleaning time, minimized confined space entry hours, and set the client up for a successful NDT inspection ahead of schedule.
These trucks don’t just clean—they unlock access for the rest of the operation. Whether it’s preparing vessels for confined space entry, clearing lines for hydrotesting, or supporting environmental response teams during unplanned events, Combo Units are often the first on-site and the last to leave. In day-to-day operations, they’re used across conventional sites for tasks like treating tank bottoms during pump-outs, assisting in swabbing operations, clearing out separator knockouts, pulling from day tanks, or cleaning heater treaters between cycles. Their versatility allows operators to maintain flow integrity while managing product recovery and safe waste disposal.

Chemical Cleaning: The Prep Work That Sets the Tone
Chemical cleaning is one of the most important steps in any critical path schedule, particularly when fouling or scaling has compromised system efficiency. Unlike mechanical or pressure-based methods, chemical cleaning penetrates hard-to-reach surfaces, eliminates hidden deposits, and restores optimal flow without disassembly in many cases.
A standout project in our portfolio involved the chemical cleaning of process exchangers at a gas fractionation facility that had experienced severe throughput reductions due to internal scaling. Our Specialized Fluids team selected a custom blend of acid-based and surfactant chemistry tailored to the metallurgy and fouling profile. By circulating the solution using our chemical trucks and monitoring flow rates, temperature, and pH in real-time, we achieved complete cleaning without the need for bundle removal—saving the client both time and cost. The result was a 20% reduction in pressure drop and a measurable boost in heat transfer efficiency.
This kind of performance doesn’t happen by accident. Our chemical units are equipped with precise blending and circulation systems, and our crews are trained to adapt on-site based on how systems respond. We don’t just run a standard program—we customize it per project, per asset.

High-Pressure Washing: More Than Just Water
High-pressure washing in oil and gas is both an art and a science. Too little force and you leave residue behind; too much and you risk damaging valuable infrastructure. That’s why our high-pressure equipment includes a range of tooling options—from 10K wands and flex lances to 20K rigid lances and rotary nozzles, all the way to 40K automated high-pressure cleaning technology—each suited for a different scenario.
On a recent vessel cleaning job, Solution Services deployed high-pressure units to clear out decades of buildup from vertical wash towers at a petrochemical facility. The challenge? Limited access, delicate internal baffling, and a tight schedule. By using flexible lance systems and robotic nozzles, our team was able to safely reach and clean all internal surfaces without having to cut additional access points. Our detailed pre-job planning and real-time monitoring allowed for precision cleaning that exceeded inspection requirements and kept the shutdown schedule intact.
Our pressure wash systems are used every day for exchanger bundle cleaning, tank walls, piping internals, separator internals, flare knockouts, and other fouling-prone systems. Each job is scoped carefully, and our field leads are trained to adjust approach based on field feedback—because no two cleanings are ever the same.

Fluid Heating & Hot Oilers: A Year-Round Necessity
Fluid heating isn’t a seasonal luxury—it’s a baseline necessity, especially across Canada where overnight drops in temperature can stall or ruin a cleaning program. Our hot oilers and fluid heating trucks are used 12 months a year to keep operations moving, whether it’s mobilizing waxy crude, maintaining chemical reactivity, or preheating lines ahead of flushing.
One of our clients in the foothills region regularly calls on our heating units to maintain process temps during winter transitions and product transfers. In a recent scenario, a series of production tanks were stalled due to heavy product buildup and cold temperatures. By using our hot oilers to maintain steady circulation heat, we were able to free up the system and support a full cleanout without interrupting upstream production.
These trucks are critical during chemical cleaning, hydrotesting, and pigging campaigns. They provide heat support to multiple work fronts on shutdowns, from bundle bays to external line runs, ensuring consistent results across every cleaning phase.

What It Means to Be a One-Stop Fluids Division
The biggest advantage of our Specialized Fluids division isn’t just the equipment—it’s how seamlessly we deploy it together. We’re structured to execute full-scope industrial cleaning and fluids support with a single, integrated team. No miscommunication between services. No delays waiting on third-party support.
Need a combo unit to prep confined space entry, a chemical truck for circulating surfactants, a high-pressure crew on exchanger bays, and a hot oiler to support the pig run? We’ll stage it all as one team, with shared logistics, shared planning, and unified execution. That’s how we keep shutdowns on schedule, daily ops flowing, and clients confident that the job is getting done right.
We understand how fragile timelines can be in oil and gas, and how many things have to go right to make a job smooth. That’s why we bring redundancy, adaptability, and experience to every site we roll into. Because this industry doesn’t wait—and neither do we.
Wrapping It All Together
Combo Unit Vac Trucks and the broader Specialized Fluids lineup aren’t just tools—they’re the foundation of safe, fast, and successful maintenance in today’s energy sector. Whether it’s a small plant cleanout, a full-scale turnaround, or an emergency job in the middle of the night, having the right equipment and team behind it makes all the difference.
At Solution Services, we’ve built our reputation on showing up ready to work, ready to adapt, and ready to deliver results. We know the industry because we’ve worked in it. And we know what it takes to keep your project moving.
👉 Request a Quote or talk to our team to find out how we can support your next project.