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- Barrier schematics (mainly for illustrative purposes, see NORSOK D-010)
- Barrier diagrams (can be transferred into fault trees for quantitative analysis)
- Bayesian networks (mainly for causal analysis)
- Event tree analysis (suitable for analysis of stepwise barrier activation, e.g., BOPs)
- Procedure HAZOPs (especially for work tasks in drilling and well interventions)
Information sources
- NOG (2012): "An introduction to well integrity"
- Wellmaster Well Performance Analytics (ExproSoft)
- Corneliussen, K. (2006): "Well safety. Risk control in the operational phase of offshore wells" (PhD thesis, NTNU)
- Vignes, B. (2011): "Contribution to well integrity and increased focus on well barriers from a life cycle aspect" (PhD thesis, University of Stavanger)
- Holand, P. and H. Awan (2012): "Reliability of deepwater subsea BOP systems and well kicks". ExproSoft report ES 201252
- Holand, P. (1999): "Reliability of subsea BOP systems for deepwater applications - Phase II DW". SINTEF report A99426
- Holand, P. (2011): "Evaluation of the need for an acoustic backup control system for the Snorre II BOP". SINTEF report A21194
- SINTEF (2012): "Barriers to prevent and limit acute releases to sea". SINTEF report A22763.