Engineering & Technical Services

OOISS’s Engineering & Technical Services was inaugurated in 2017 to provide the highest quality of service and support for high-integrity mechanical equipment. With our advanced diagnostic and testing equipment, access to OEM spares and support which is provided through OOISS’s extensive network of manufacturing partners, our operations meet the highest industry standards for quality, safety and environment management. OOISS has invested in advanced casing and tubular make-up equipment with connection analysis for completion or downhole tool assemblies.

Geographically located in Muscat, Oman within 10km from the new international airport, we are ready to provide support throughout the GCC region.


Capabilities & Equipment

  • Field Engineers trained to the highest standard
  • Field based Valve Diagnostics (DPT) and Integrity testing
  • Ventil Valve testing unit
  • AMC continual torque unit for Premium connections with connection monitoring system
  • Hydro static testing in accordance with industry standards
  • Mobile workshop with hydrostatic test cell

Service Portfolio

Inspection, diagnostics, servicing, calibration and repair of:

  • Valves
  • Actuators
  • Flow meters
  • Level sensors
  • Hydraulic cutting tools
  • Spectrophotometers and Laboratory Analytical Equipment


We also provide:

  • Gas detector calibration services
  • Breathing apparatus servicing
  • Shoe track & Completion Sub-assembly Make-up services
  • Make up of Premium and API connections
  • Fire extinguisher service and re-certification
  • Technical service support and troubleshooting for multiple product lines