Maintenance
STS forte is Plant Maintenance, Turnaround and Shutdown across petrochemical plants and refineries. Since inception, STS has been providing maintenance services to the oilfield operators in Oman and carried out successful preventive and breakdown maintenance campaigns on static and rotating equipment. Our maintenance capabilities extend to mechanical, instrumentation and electrical disciplines.
Our mission is to provide a quality service that reduces equipment down time, product deferment and the operating lifetime costs of equipment.
Turnaround & Shutdowns
STS started its Turnaround and Shutdown operations in 2007 with the Mina Al Fahal Refinery Turnaround for ORPIC and has since then continued to strive for excellence in this arena and has established a core management team to execute such projects. STS has invested in modern equipment like IBC/OBC (automatic bundle cleaners), hydro jetting machines, torquing and tensioning tools, retubing tools, bundle pullers to name a few in order to offer the most efficient services to our clients.
Plant Maintenance
STS is a pioneer in oilfield maintenance and was the first Omani Company to be awarded ISO 9002 certification for maintenance of surface and subsurface oilfield equipment.
We provide a range of customized services such as maintenance of critical equipment in remote locations, developing maintenance strategies incorporating RCM, IPF and condition monitoring.
Specialized services like plant commissioning, facility optimization and production operation activities are carried out by our experienced commissioning engineers and operators.
Major Activities
- Wellhead Equipment
- Rotating Equipment
- Electrical Systems
- Instrumentation Systems
- Static Equipment
- Valves
Workshop Based Maintenance
STS workshop in Nizwa and Sohar are fully accredited by AIB-Vincotte International with EN ISO 9001-2008 Quality Systems. Our Nizwa workshop is API 6A accredited for well head equipment and Christmas Tree and API 6D accredited for pipeline valves. We have a dedicated covered area of 3000 sqm. for maintenance activities in Nizwa and offer mobile services for adhoc maintenance activities in the Sohar Industrial zone.
Our Nizwa maintenance workshop is equipped with advanced machinery viz., Modern Heavy Duty Lathes, Universal Milling Machine, Heavy Duty Radial Drilling Machines and Advance Dynamic Balancing Machine. In addition, the workshop has a calibration and testing shop including Test Bench for Isolation Valves & Test Bench for Relief Valves of any size and large storage, assembly and lay down area.
We have also provided repair and maintenance services for ball, gate, globe, butterfly, check valves, relief valves, control valves and pumps.
Maintenance Services
- Well Head and Christmas tree maintenance
- Pipe line valve maintenance and testing
- Pressure and Safety Relief Valve testing/calibration
- Centrifugal Pump and Screw Pump
- Beam Pumps: maintenance, repair, refurbishment and re-installation
- Manufacturing and re-tubing of heat exchangers
- Hydro-testing capacity up to 40,000 psi
- Maintenance, repair and overhaul of all Industrial machinery
- Erection, commissioning and maintenance of overhead EOT cranes
- Remanufacturing of impellers & casing for pumps
- Shaft rebuild & reconditioning
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