Supplementary Guidance On The RIDDOR Reporting Of Hydrocarbon Releases Guidance Assessment Tool Presentation Notes Deliverables Produce supplementary guidance that is Fully aligned with RIDDOR ID: 385596
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Slide1
Oil & Gas UK
Supplementary Guidance On The RIDDOR Reporting Of Hydrocarbon ReleasesSlide2
Guidance
Assessment ToolPresentation + Notes
DeliverablesSlide3
Produce
supplementary guidance that is
Fully aligned with RIDDOR 2013 requirements
Well-understood by the industryConsistently applied by the industryPrimarily focussed on petroleum hydrocarbon releasesAlso includes assessment on non-petroleum hydrocarbon releasesObjectives of WorkgroupSlide4
Petroleum Hydrocarbon Releases
Number of releases
Reportable Limit
Major
Significant
Minor
Not Reportable
2014 Guidance
Previous Guidance
Reportable LimitSlide5
Regulatory Requirements
Review of DO relating to Hydrocarbon Releases (HCR)
Methodology for Assessing RIDDOR Reporting of Petroleum Hydrocarbon ReleasesDefine key words and phrases
Reporting flow chartTechnical AssessmentDefines Reportable LimitsCase StudiesWorked ExamplesAppendicesConsequence AnalysisApplication of Methodology to Non-Petroleum Hydrocarbon FluidsHigh Water Content LiquidsStructure of GuidanceSlide6
Release of petroleum hydrocarbon
75 The unintentional release of petroleum hydrocarbon on or from an offshore
installation which – (a) results in –
(i) a fire or explosion; or (ii) the taking of action to prevent or limit the consequences of a potential fire or explosion; or (b) could cause a specified injury to, or the death of, any person.Regulatory Requirements – RIDDOR 2013Slide7
Petroleum Hydrocarbons
Well
Fluids, Natural Gas, Natural
Gas Liquids, Condensate, Crude OilContinuous & Discrete ReleasesGas, Vapour, Mist, LiquidConsequence Analysis
Continuous Release - Jet FireContinuous Release - Pool FireDiscrete Release - FireballDiscrete Release - Pool FireFlash fire, Explosion, Toxic Cloud, Asphyxia, Narcosis - See Guidance
Technical
Assessment – Potential for Death or a Specified InjurySlide8
RIDDOR DO 75 Assessment Flowchart Slide9
Reportable Limits
Type of Release
Phase
Hazard
Fluid
Reportable Limit
Continuous
Gas /
Vapour / Mist
Jet Fire
Natural
Gas
Natural
Gas Liquids
Condensate
Crude Oil
3 kg/hour
(0.0008 kg/s)
OR
20% LFL at 0.5 m
Liquid
Pool Fire
Natural Gas Liquids
Condensate
Crude Oil
100 kg/hour
(0.028 kg/s)
Discrete
Gas /
Vapour / Mist
Fireball
Natural Gas
Natural Gas Liquids
Condensate
Crude Oil
0.15 kg
Liquid
Pool Fire
Natural Gas Liquids
3 kg
Pool Fire
Condensate
10 kg
Pool Fire
Crude Oil
30 kgSlide10
Regulatory Requirements
Unignited Release
RIDDOR
2013
Dangerous Occurrence
RIDDOR
Reportable
Limit
OIR/12
Wells
DO 20
No
All
releases
Pipelines
DO 21
Yes
(See HSE Website)
Only if release is within 500m zone
Release of petroleum hydrocarbons
DO 75
Yes
(See Sections 3 & 4)
All RIDDOR DO 75 reportable releases
Release of non-petroleum hydrocarbons
DO 77
Yes
(See Section 5)
Not required
Ignited Release
RIDDOR 2013
Dangerous Occurrence
RIDDOR
Reportable
Limit
OIR/12
Wells
DO 20
No
All
releases
Pipelines
DO 21
No
Only if release is within 500m zone
Release of petroleum hydrocarbons
DO 75
No
All
fires
&
explosions
Release of non-petroleum hydrocarbon fluids
DO 76
No
Not requiredSlide11
Go Live 1 April 2014
GuidanceAssessment Tool
Presentation + NotesFeedback Workshop October 2014Usability of Guidance
Requirement for further guidanceAdditional ExamplesAssess impact of EU Offshore Safety DirectiveApril 2015 (subject to HSE guidance availability)Forward PlanSlide12
Guidance on Hydrocarbon Release Reporting