Subsea and Blowout Preventer (BOP) Engineering Services

Offshore Inspection Group (OIG) has a very comprehensive understanding of the Fifth (5th), Sixth (6th) and Seventh (7th) Generation Drill ships, Semisubmersibles, Jackups and Tender Rigs.  OIG is a third party inspection representative with purpose of eliminating non productive time caused by preventable factors typically encountered in the equipment and service readiness process. We provide an experienced onsite presence at vendor factories and in shipyards to represent either, operators or clients, to ensure the well control 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)
  • System Integration Testing
  • Diverter Systems
  • Marine Riser & Support Components
  • 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


Our Subsea and BOP engineering, technical and operational, exposure has come from 30 years of offshore experience in deep-water 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.