Each year, more than 500 well interventions are carried out on the Norwegian shelf, and this number is expected to grow.
There is a high level of risk associated with work on live wells (major accident potential) and many interfaces (multiple alliance partners).
A survey of well intervention activities carried out during the period 2003 - 2008 concluded that there was a significant need for well interventions on subsea installations. Verification on one of the facilities that carries out light well intervention was implemented to investigate HSE challenges linked with this type of operation.
Island Offshore Management and Island Offshore Subsea have an alliance with FMC and Aker Well Service for operation of the Island Constructor which carries out light well intervention on subsea wells for Statoil.
The audit activity uncovered three nonconformities and four improvement items as regards Island Offshore.
The nonconformities related to deficient analysis of defined hazard and accident situations, layout of kill and stimulation lines, and deficient basis for and documentation of maintenance.
Øyvind Midttun, press contact
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