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Audit of fabrication of flexible risers for the Skarv field

Audit: During the period 15 - 18 June 2009, the Petroleum Safety Authority Norway (PSA) conducted an audit of BP Norge AS' (BP's) compliance with regulatory requirements and project-specific requirements for qualification, engineering and fabrication of flexible risers for the Skarv field. We identified no non-conformities in relation to the regulatory requirements.


The audit also included Technip Norge AS (TNOR) and Flexi France which fabricate flexible pipes.

A prejob meeting was held with BP and TNOR in Oslo on 15 June. The meetings, interviews and verification were conducted at the production premises of Flexi France in Le Trait on 17 and 18 June.

 Location of Skarv

Skarv is located 200 kilometer west of Sandnessjøen

Background for the audit
The Petroleum Safety Authority Norway provides the terms for, and follows up that the players in the petroleum industry maintain a high standard in relation to health, safety and the environment in order to reduce the risk of major accidents, undesirable incidents and work-related injuries and illness.
 
A key priority in our follow-up of health, safety and the environment (HSE) is to ensure that the players manage the technical conditions of the facilities. During the fabrication stage this entails following up to identify possible weaknesses which may have consequences for the operating phase.
 
Incidents relating to risers may have a major accident potential due to their location on the facilities. We have on several occasions detected new failure modes which were not identified during the design stage. Based on this, we have focused on following up the qualification, engineering and fabrication of risers.

Purpose of the audit
The purpose of the audit was to evaluate BP's and TNOR's compliance with the HSE regulations, as well as the project's internal requirements for qualification, engineering and fabrication of flexible risers for the Skarv development.

It was also an objective to see how BP fulfils its supervisory duty in relation to TNOR and Flexi France, and how the supplier's and any sub-contractor’s'competence and quality were followed up.

The use of positive and negative experiences in connection with learning and improvement is an element which was emphasised during the audit.

Result of the audit
Our general impression is that BP complies with the regulatory requirements and the project's own requirements related to management and implementation of activities for qualification, engineering and fabrication of flexible risers in a satisfactory manner.
 
No non-conformities were identified during the audit, but we found one area with a potential for improvement regarding completion of governing documents.