NO RISK
Phil Hardy
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Report No.
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WE/MoC-14-2024 |
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Approved
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Approved
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Location/Facility
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May Need to be notified |
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Date Originated
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2024/07/12 |
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Deadline Passed
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2024/08/13 |
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Closed Date
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2024/08/13 |
Minor
in
CHC have now confirmed that we will have a dedicated Sikorsky S-92 helicopter available for the duration of the DNO Falstaff project and the agreement for use of the Airbus L1 helicopter no longer is required.
Introducing the Sikorsky S-92 helicopter will reduce number of required flights based on no restrictions to weight and the PAX capacity can be set to 16-19 PAX. Expected S-92 flights per week will be 4.
The change from Airbus L1 to Sikorsky S-92 is marginally more costly, but the risk level will be reduced based on less total flight time for the duration of the Falstaff project. This will also have a positive impact of the reputation as the S-92 helicopter is the standardised helicopter transport for offshore personnel on the NCS.
Actions
Reduced flights per day will reduce exposure to total flight hours in project.
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Risk Assessment
Risk Not AcceptableRisk Mitigation
Must be EvaluatedAcceptable RiskProbability and Impact of Event
PROBABILITY / LIKELIHOOD OF EVENT C Term In Industry Terms Percentage Chance of Occurence Frequency of Occurence A Very Unlikely to occur Never heard of in industry 5% Once in 10 years B Unlikely to occur Has occured in industry 5% - 20% Once in 5 years C Likely to occur Incident could occur in North Sea Area 20% - 50% Once in 2 years D Very likely to occur Incident could occur during our operations 50% - 80% 2 times per year E Almost certain to occur Incident could happen more than once during this operation 80% Once a month IMPACT / CONSEQUENCE OF EVENT C Term Well Control People Environmental Damage Asset Damage Reputation Damage 1 Very low impact Negligible First Aid Required Oil 100 litre
Black 10 litre
Red 1m3
Yellow 10m3
Green 100m31 day lost time
Less than 1MNOKInformation only to authorities. No further discussion. 2 Low Impact Non Classified Restricted Work Case / Medical Treatment Case Oil 100 litre
Black 10 litre
Red 1m3
Yellow 10m3
Green 100m31 day lost time
1 MNOK to 5 MNOKOperator in dialog with authorities. No mention of Wellesley. 3 Medium Impact Regular Well Control Incidents Lost Time Incident / Reportable Incident Oil 1m3
Black 100 litre
Red 10m3
Yellow 100m3
Green 1000m33 days lost time
5 MNOK to 10 MNOKOperator investigated by authorities. No mention of Wellesley. 4 High Impact Serious Well Control Incidents Likely Permanent Disability Oil 100m3
Black 1m3
Red 100m3
Yellow 1000m3
Green 10000m314 days lost time
10 MNOK to 30 MNOKLocal media coverage. Wellesley included in coverage or approached by authorities. 5 Very High Impact Critical Well Control Incidents Single or Multiple Fatalities Oil 1000m3
Black 10m3
Red 1000m3
Yellow 10000m3
Green 100000m330 days lost time
More than 30 MNOKNational coverage. Wellesley included in coverage.
New MoC Report
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