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.

Maintenance Services
  • Well Head and Christmas tree maintenance (pertaining to API 6A)
  • Pipeline valve maintenance and testing (pertaining to API 6D)
  • 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

Click here to contact us with any inquiries or questions