The objective of the audit was to monitor that winter operations along with associated technical, operational and organisational barriers are being conducted in compliance with the requirements and that the technical condition of electrical facilities, technical safety and drilling-related systems were being safeguarded in compliance with the requirements.

The audit detected non-conformities in connection with:

  • Firefighting system in machine room
  • Overpressure in living quarters
  • Electrical installations
  • Work in and operation of electrical facilities
  • Emergency power
  • Control of temporary equipment
  • Maintenance of equipment and systems

In addition, improvement points were identified relating to:

  • Internal audits and follow-up
  • Automatic emergency shutdown of the ventilation system
  • Emergency lighting in shafts
  • Facility-specific procedures and training – drilling and well technology
  • Blow out preventer, performance and reporting
  • Critical Alarm Panel (CAP) in the control room

Ocean Rig has been given a deadline of February 2018 to report on how the non-conformities and improvement points will be addressed.