Gå til hovedinnhold

Audit of manned underwater operations

The Petroleum Safety Authority Norway (PSA) has conducted an audit of the management of manned underwater operations aimed at ConocoPhillips. The report contains observations of factors where there is potential for improvement, however, our overall assessment is that the company has improved and further developed management systems that help ensure that manned underwater operations are carried out in accordance with the regulatory requirements.


On 4 May 2005 and 16 June 2005, the Petroleum Safety Authority Norway (PSA) and the Norwegian Board of Health conducted an audit of the management of manned underwater operations (BUO) aimed at ConocoPhillips' (CoPSAS') diving operation on the Ekofisk field in 2005. The audit was implemented in the form of a meeting at the PSA's offices prior to the diving operation (4 May 2005) and a meeting at CoPSAS in Tananger (16 June 2005) after the diving operation was completed.

Background for the audit
Manned underwater operations entail special challenges linked to the safety, health and working environment of the employees. Following up manned underwater operations is an important part of the preventive HSE work, and is therefore a central element in the PSA's priorities.

Objective of the audit
The objective of the audit was to obtain an overview of CoPSAS' management system for implementation of manned underwater operations. The point of departure for the audit was measures linked to observations described in the PSA's report after an audit of CoPSAS' manned underwater operations dated 29 June 2004, and CoPSAS' follow-up of the diving operation in 2005.

Result of the audit
In both meetings, CoPSAS gave a structured and thorough review of the areas indicated in the framework for the audit. The PSA's impression was that CoPSAS has improved and further developed management systems that contribute to ensuring that manned underwater operations are implemented in accordance with the regulatory requirements.

Improvement points have been identified in relation to familiarization, training and drills, as well as long-term follow-up of health issues.

This audit revealed no nonconformities in relation to the regulations.

Contact in the Petroleum Safety Authority Norway:
Ole-Johan Faret
E-mail: ole-johan.faret@ptil.no