Fluid Hauling
STOS owns and operates a fleet of more than 145 best-in-class vacuum trucks, trailers, winch trucks, and hydro-excavation units. Each unit is equipped with real time data integration, state-of-the-art AI cameras, and GPS technology to support timely, efficient load delivery and pickup while ensuring safety, regulatory compliance, and operational performance. From produced water and flowback to solids logistics, STOS provides comprehensive fluid management solutions. We also supply the completion fluids needed to help bring your wells online quickly and efficiently.
Disposal Services
STOS provides disposal solutions for all types of wastewater, sand, mud, and other oilfield waste through an extensive network of private and public disposal systems. We currently operate two fluid disposal facilities in Atascosa County with a combined capacity of exceeding 40,000 barrels per day. In addition, our longstanding relationships with public disposal facilities throughout South Texas enable us to deliver efficient, cost-effective solutions for projects across the Eagle Ford Shale.
Equipment Tank Rentals
STOS operates one of the largest fluid storage tank fleets in the Eagle Ford Shale, with more than 230 tanks supporting drilling, completions, production, workovers, and plug-and-abandonment projects. Our fleet includes Gas Buster tanks, sealed oil storage tanks, and frac tanks ranging from 200 to 500 barrels. These tanks are designed to safely handle freshwater, brine, drilling mud, crude oil, flowback water, and other oilfield fluids. Strategically positioned throughout South Texas, we provide fast, flexible storage solutions backed by experienced personnel who coordinate tank placement and fluid logistics to keep operations running efficiently and minimize downtime.
Support our fleet is a dedicated team with 6 winch trucks and floats, ensuring dependable delivery, relocation, and retrieval of equipment. Whether for short-term rentals or long-term field support, STOS delivers safe, reliable, and cost-effective storage solutions.
