Marine engineering and subsea construction. Operating in the South Pacific since 1960.
With over 66 years of experience, STS combines cutting-edge engineering, its own operational infrastructure, and a highly specialized team to tackle projects of varying scales in demanding environments. From conceptual design to preventive maintenance, we operate under the most rigorous standards of safety, quality, and environmental responsibility.
Specialized Services
Comprehensive submarine engineering and construction solutions for the mining, energy, and industrial sectors.
Marine Engineering
- Conceptual, basic and detailed engineering
- Submarine intake and discharge tunnels
- Brine intake and disposal systems
- Geotechnical and marine bathymetric studies
- Modeling of marine structures
Subsea construction
- Submarine outfalls, siphons and ducts
- Water intake and discharge systems for desalination plants
- Installation of monobuoys and dolphins
- Pile driving and underwater structures
- Massive underwater concreting
- Saturation diving to 300 m
Offshore Services
- DVS support vessels STS Poseidon and STS Triton
- Saturation diving to 300 m
- State-of-the-art ROVs and USBL positioning systems
- Nitrox / Trimix / Heliox gas plants
- Continuous operation 24/7 for over 60 days
Inspection and Maintenance
- Inspection with ROV, USBL and high-resolution sonar
- Underwater photogrammetry and ultrasonic thickness measurement
- Non-destructive testing (NDT)
- Installation of anodes and cathodic protection
- Maintenance of monobuoys and oil pipelines
Robotic Infrastructure and Life Support
Our operations rely on our own technological fleet, which minimizes dependence on third parties and guarantees immediate response times for every job.
Engineering milestones on the Pacific coast: PV4-d intake (Nueva Centinela) · Quintero Terminal Monobuoy (ENAP) · ROV service (ENAP Magallanes).
ROVs Working Class
Hyperbaric Chambers
Multibeam Sonar
LARS Systems
Nitrox/Heliox Mixtures
Hydraulic Tools
Get in touch with us and let's talk.
More than six decades of experience developing subsea infrastructure, offshore operations, and marine engineering solutions for mining, energy, and desalination in Chile and Latin America.