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8/18/2019 2003Forum Heliportable TERA
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Issues• Regulatory/Policy
• Environmental• Technical
• Economic
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History of Heliportable
Drilling
• > 20 years heliportable drilling
• Approximately 200 heliportable ells
• !outh America" #ndonesia" $e %uinea"
$e &ealand" 'yoming" (ac)en*ie +elta
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Previous Heliportable
Evaluations in BC• Pro,ec t s• #ndustry re,ection - cost and sa.ety
• %overnment re,ection- uncertainty aroundenvironmental ris) associated ithbloouts andsa.ety
Amoco anada
Petroleum ompany 1td
34eattie Pea)s" 56657 Talisman Energy 3PP
8alls" 56697 #mperial :il 1imited
34elcourt ree)" 566;7 (urphy :il ompany 1td
3!i)anni" 566
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ENVIRONMENTAL EVALUATION
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• long duration 32?years7• erosion" sedimentation• habitat removal"
.ragmentation• access .or hunting and
.ishing" ildli.e
• ildli.e displacement• animalvehicle
collisions• landscape aesthetics• eed dispersal
Impact of Roads
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Impact of Helicopters
•short duration (e.g., months)
•wildlife displacement•noise pollution
•reduced large spill response
•reduced potential for vehicle spills
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TECHNICAL EVALUATION
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Helicopter Availability and
Capability•Drilling Rig Mobilization
– heavy lift helicopters (e.g., Chinook 234, Sikorsky S-64)(10,000 kg capacity)
– readily available
•Routine Service
– medium lift helicopters (e.g., Bell 212, A-star)
– readily available
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Blow-out
Avoidance and Control•Low probability (e.g.,0.3:1,000 wells or1:3,333 wells)
•Proper planning
•Experienced and supervised crews
•Stockpiling supplies and BOP equipment
•Rig ignition in minutes
•Relief well typically not required
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Safety
•Many remote industrial operationswithout 24 hour access
•Require standard OHS risk assessment,OHS Schedule 1 compliance
•Road access not the first means of
emergency response•Require well trained, experienced andsupervised crew
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ECONOMIC EVALUATION
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Key Cost Considerations
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Major Direct Heliportable
Cost Factors•Size of rig
•Duration of drill•Contingency stockpiling andbackhauling
•Stand-by charges (relief rig, heavyequipment)
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CONCLUSIONS AND
RECOMMENDATIONS
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Key in!ings
• !igni.icant environmental bene.its in many
cases
• =eliportable rigs and support service
e@uipment are available
• 'or)er sa.ety and sour gas ell control
concerns can be managed
• =eliportable drilling ill tend to be moreexpensive here short and/or simple access is
re@uired
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Critical Site Factors
•Environmental Sensitivity
•Availability of Low ImpactAlternatives
•Helicopter Site Risk
•Blow-out Risk and Sour Gas
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De"ision Ma#ing Options
•Assess tradeoffs and alternatives
•Assess and numerically score critical
factors
•Require heliportable by location
•Require heliportable by circumstance
•Company vs. government decision
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Re"o$$en!ations
• #nclude heliportable drilling as an (management tool
• +evelop a Policy and 4est Practices• !uitability mapping
• #mplement a Pilot !tudy
• onsider .inancial incentives
• #nvestigate .easibility o. heliportableproduction and operations