Emerging Best Practices - EAS Congress...
Transcript of Emerging Best Practices - EAS Congress...
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© Copyright 2015. Oil Spill Response Limited.
Ignatius Harta, Industry Outreach Manager - APAC
Emerging Best Practices
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© Copyright 2017. Oil Spill Response Limited. 2
Response Strategy &
Options
NEBA/SIMA Concept and Applications
Tiered Preparedness and Response
Content overview
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COMBATING THE SPREAD OF SPILLED OIL
OUR COMMON ENEMY IS THE SPREAD OF SPILLED OIL AND ITS IMPACT ON OUR SHARED
VALUES
PROTECTING THEM IS A RACE AGAINST TIME.
SENSITIVE ECOSYSTEMS LOCAL BUSINESSES TOURISM/RECREATIONHEALTH AND SAFETY COMMUNITY INDUSTRIES
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Response Options
Being prepared for the unlikely event of a spill, with strategies and tools to respond to different scenarios
OnshoreOffshore Subsea
Spill Scenarios
Response Tools
Inland Near Shore
Physical RemovalMechanical RecoveryDispersants In-situ Burning Natural Processes
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Trajectory Modelling
20 days x 20,000 bbl/day predictionNo mitigation or intervention
Response effort focus on this area
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© Copyright 2017. Oil Spill Response Limited. 6Exclusion
zone
Malaysia Boundary
Shoreline Resp. Div.. 1
Shoreline Resp. Div. 2
Shoreline Resp. Div. 3
Shoreline Resp. Div. 4
A
B
C
CC
ED
ED
ED
On Water Recovery F
F
Shoreline
Protection
/Cleanup
Surveillance
& Monitoring
A, B, C, D, E
A
Source control
In-situ
burning??Containment
& Recovery
C
Dispersant
Application –
Aerial & Vessel
B
DShoreline
Survey
E
Shoreline Response
Response Strategy
F
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Spill Impact Mitigation Assessment
(SIMA)
7
New IPIECA-IOGPGood Practice Guidance
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SIMA is also a methodology for NEBA that is:
• Transparent
• Holistic
• Qualitative
• Even-handed
• Flexible
Net Environmental Benefit Analysis (NEBA)
transitioning toSpill Impact Mitigation Assessment (SIMA)
Better reflects objectives, decision framework and
shared environmental values
i.e. ecological, socio-economic and cultural
Removes perceptions of spin associated with the
word ‘benefit’
Principles unchanged
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4 Stages of SIMA
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• Know your oil
• Model fate and
trajectory
• Sensitivity data/map
• Identify potential
response options:
• Effectiveness
• Feasibility
• Regulations
Compile and
evaluate dataPredict outcomes Balance trade-offs
Select best
option(s)
10
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Compile and
evaluate dataPredict outcomes Balance trade-offs
Select best
option(s)
11
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Compile and
evaluate dataPredict outcomes
Balance trade-
offs
Select best
option(s)
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Benefits Drawbacks
• Removes surface oil that could harm wildlife and
keeps oil from spreading to shoreline; enhances
natural biodegradation of oil and reduces vapors
on water surface
• Dispersed oil has the potential to initially affect
local water column-dwelling wildlife and
vegetation
• Removes oil with minimal environmental impact • Mechanical recovery can be inefficient, resource-
intensive, and restricted by water conditions, with
typically no more than 10-20 percent oil recovery
• Removes large amounts of oil rapidly via
controlled burning
• Burning presents a potential safety risk and
localized reduction of air quality; burn residue can
be difficult to recover
• Selectively restores environmental and social
value to specific locations using a variety of tools
• Aggressive or inappropriate removal methods
may impact ecosystems and individual organisms
• Takes advantage of natural processes for oil
removal, including biodegradation, and avoids
intrusive cleanup techniques that may further
damage the environment
• Natural removal can take more time to achieve
pre-spill use than other response techniques
Dispersants
Mechanical
Recovery
In-Situ
Burning
Physical
Removal
Natural
Processes
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Compile and
evaluate dataPredict outcomes Balance trade-offs
Select best
option(s)
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Primary Goal of Oil Spill
Response
Maximize Encounter Rates and Effectiveness…
…to Minimize Impact
Which strategy will remove the most oil?? + Regulatory Compliance
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Ag
ree
d o
utc
om
es o
n a
ma
trix
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Optimized Response Options
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Response Resources
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Summary
• Qualitative process - relies heavily on expert /
professional judgement
• Understanding of the potential effects of a spill on
environment and other resources
• Help to evaluate various response options
• Address potential trade-offs for different response
strategies
• Overcome barriers during a response
• Government and industry working together cooperatively
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© Copyright 2015. Oil Spill Response Limited. 18
Thank You
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