Subsea and Blowout Preventer (BOP) Engineering Services

Offshore Inspection Group (OIG) has a very comprehensive understanding of the Fifth (5th) and Sixth (6th) generation DP drillships, MUX semisubmersibles and subsea related equipment, operations and projects.  We provide an experienced onsite presence at vendor factories and in shipyards to represent either, operators or clients, to ensure the subsea equipment is fit for purpose. Our subsea engineers provide a depth of subsea engineering experience and knowledge on modern and state of the art equipment that include:


Support Services

  • Blowout Preventers (BOP)
  • Multiplex BOP Control Systems
  • Factory Acceptance Testing (FAT)
  • Diverter Systems
  • Gas Handlers
  • Marine Riser & Components
  • Remote Handling Systems for Goosenecks (ROPS)
  • Motion Compensation Systems – (with focus on NOV Nline/Aker DAT Cylinders)
  • Compensators (Crown Mounted & Active Heave)
  • Choke & Kill Manifolds
  • BOP Handling Systems
  • X-Tree Handling Systems
  • Riser Handling Systems


Our subsea and BOP engineering technical and operational exposure has come from 30 years of offshore experience in deepwater DP drilling operations worldwide along with numerous projects. This scope includes small scale commissioning tasks through to new build drillships and semi-submersibles, engineering, design, equipment specification, build, commission and set to work.