The objective of the audit was to follow up their own follow-up of operations, as well as follow-up of maintenance activities for monitoring of the performance and technical condition of electrical facilities, technical safety and drilling-related systems.


Non-conformities were identified in connection with:

  • Electrical installations
  • Work in and operation of electrical facilities
  • Emergency power systems
  • Overview of status of safety systems
  • Ventilation and over-pressure in the living quarters
  • Fire detection and fire pump start
  • Non-conformity handling
  • Maintenance management
  • Performance standards

In addition, improvement points were identified in connection with:

  • Follow-up
  • Capacity in the onshore organisation
  • Labelling and signage of equipment and systems
  • Emergency decoupling
  • Assessment of maintenance effectiveness
  • Temporary equipment
  • Grating

COSL Drilling Europe has been given a deadline of 20 June 2018 to report on how the non-conformities and improvement points will be addressed.