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Security by Sigve Hamilton Aspelund Risk definition What went wrong? What can we do to improve attitudes? How can we reduce the impact of incidents? Is it possible to reduce numbers of incidents?
Discuss possible solutions Economy Team work HSE
Risk evaluation Mapping of HSE and risks Risk & unwanted incidents ranking Form risk reducing measures
Risk-definition Risk = possibillity * consequence
Barrier Barrier: Reduce potensial risks Technical Operational Origanisation Personal
Modeling
Risk reduction ALARP-As Low As Reasonable Practicable  BAT- (Best Available Technology) Precaution principles   Substitution principles
Procedure for a risk assessment  Mapping of the HSE aspects and associated risk areas  Ranking of adverse events in terms of risk  Design of risk reduction measures
HSE analysis: Examples Safety checks Contingency plans  Impact assessments  Chemical evaluations Safe job analysis
Economy Global financial crisis
Consequenses of redused safety Reduced security-economy  -> Disaster Examples: Seadrills West Atlas 1/11-2009
Ocean Vanguard 14/12-2004 (Old name: West Vanguard) Geoservices reading: Increase in act. pit Action: We called drill floor: 15 sec. later Anchors lost Riser lost BHP lost Possible disaster
Sleipner Alpha 23.08.1991 Design error  -> Sleipner Alpha sinks
Piper Alpha 6/7-1988 Gas leak: Gas explosion 167 deaths Risk analysis and laws
West Vanguard 4/10-1985 Drilling shallow gas  Blow out
Alexander L. Kielland 23/3-1980 @ Ekofisk 123 of 212 died Worst accident in north sea since world war 2.
Ekofisk Bravo 22/4-1977 Red Adair & ”Boots” Hansen Killed in 8 days
Number of deaths @ norwegian sector
Total dead @ norwegian sector
Mapping incidents 22.04.1977 Ekofisk Bravo 23.03.1980 Aleksander Kielland 04.10.1985 West Vanguard 06.07.1988 Piper Alpha 23.08.1991 Sleipner A 14.12.2004 Ocean Vanguard 01.11.2009 West Atlas
Security starts with YOUR attitude Everyone is responsible for OUR security!
Solutions Micro economy V new =F v *V 0  (New Value=Growth factor*Original value) If F v  = 1: V new =V 0 If F v  < 1: V new <V 0 If F v  > 1: V new >V 0 Economic growth if Fv>1
Solutions: Macro economy  START: Create world peace
Economic growth: Fv>1 Skagen Kon Tiki: Macro economy Buy when cheap! (Fv  -> > 1 @ t=?) Fv>1 Fv<1 Fv=1 Fv>1 Fv=1 Buy!
International team work  -> Fv>1 -> Improved HSE Economy Cooperation HSE

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