Upload
phungtuong
View
215
Download
0
Embed Size (px)
Citation preview
• Offshore Installations and Wells (Design and Construction,
etc) Regulations 1996
• Over-riding principle to ensure design, construction &
maintenance minimises risk of unplanned release of fluids
throughout life of the well.
• Minimise risk from all sub-surface hazards & release of
unplanned fluids
• Must be adequate safety margin to counter formation
fracture pressure & well tests
DECC: award of exclusive Petroleum Exploration &
Development Licence after open competition
Local Authority
Planning Permission
EA/SEPA
Statutory
Consultee
DECC: online
well application
for <96 hr testing
DECC checks
with
HSE/EA/SEPA
before issuing
well consent
HSE
Notification
EA/SEPA • Notices
• Abstraction licences
• Discharge and radioactive substances
regulations permits
Exploration
Well
DECC: 90-day extended
well test (EWT), if required,
setting limit on hydrocarbons
produced, vented or flared.
Exploration Well success
Local Authority
Planning Permission
EA/SEPA
Statutory
Consultee
EA/SEPA • Notices
• Abstraction licences
• Discharge and radioactive
substances regulations permits
HSE
Notification
DECC: Field
Development Plan
DECC checks with
HSE/EA/SEPA ,
before issuing
Field
Development
Consent, setting
production, vent
and flare limits
Commercial development
•
•
•
•
•
•
•
•
•
•
•
•
••
•
•
•
•
• British Geological Survey holds the national well archive and
other borehole databases. (From original logs)
• Decommissioning – stress on integrity of casing &
preservation of ground water quality
• Can backfill with good quality material that doesn’t
compromise aquifers but cement plugs permitted.