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Audit of Statoil's management of manned underwater operations

On 10 March and 22 September 2005, the Petroleum Safety Authority Norway (PSA) and the Norwegian Board of Health (Htil) conducted an audit of the management of manned underwater operations (MUO) concerning Statoil ASA (Statoil's) diving operation related to the Langeled riser installation with DSV Seaway Osprey (photo) on the Sleipner field 2005. The diving operation was carried out under contract with Stolt-Subsea 7 Joint venture.


The audit was carried out in the form of meetings before and after the diving operation.

Background for the audit

MOU involves special challenges related to the safety, health and work environment of the employees. Follow-up of MOU is an important part of the preventive HSE work and therefore a key point in the PSA's priorities.

Purpose of the audit

The purpose of the audit has been to gain an overall understanding of Statoil's management system for implementation of MUO. In addition, the audit looked at measures onboard DSV Seaway Osprey related to observations described in the PSA report following the audit of manned underwater operations conducted by ConocoPhillips Skandinavia AS on 29 June 2004.

Result of the audit

In both meetings Statoil presented an organized and extensive review of the areas defined for the audit. The PSA got the impression that Statoil has a solid professional approach to planning and implementation of MOU in order to make sure that MOU is implemented in accordance with regulatory requirements.

Contact in the PSA:
Mike Theiss