During the period November 2007 to June 2008, the Petroleum Safety Authority Norway (PSA) audited operating companies on the Norwegian Shelf which have temporarily abandoned wells. The topic of the audit was well safety. Similar audits were conducted out in 1994, 1998 and 2006. It is our impression that the companies now follow up their temporarily abandoned wells better than in previous years.
The regulations contain requirements for clarifying the number, location and risk of the wells, both when they are temporarily abandoned and during further activity in the wells.
Phase 1 consisted of data acquisition from all operating companies with temporarily abandoned wells. This included the companies' work on risk assessment and barrier overview for the relevant wells.
The PSA plans a similar follow-up activity in 2010, focusing on the risk aspect and ageing in temporarily abandoned wells.
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