Leadon, North Sea Northern, United Kingdom
Key Data:
Block
9/14
Distance from Aberdeen
220 miles
Distance from Gryphon
15 miles
Discovered in
1979
Appraisal
1998
Satellite fields
Birse
blocks 9/14b, 9/14a
Glassel
block 9/14a
Distance from Leadon
5 miles
Field equity
100 per cent Kerr McGee
Development cost
$600 - $700 million
Combined reserves
120 million to 170 million barrels of oil equivalent
Life of the field
16 years
Initial production
Early 2002
Peak production
Year-end 2002
Volume
50,000 barrels of oil per day
Water depth
370 feet
Wells
Subsea horizontal
Production mechanism
FPSO
Name
Kerr-McGee Global Producer III.
Vessel length
712 feet
Storage
500,000 barrels of crude oil.
Topsides process
up to 300,000 barrels /d of gross fluids
70,000 barrels of oil/d
75 million cubic feet of natural gas per day.
70,000 barrels of oil/d
75 million cubic feet of natural gas per day.
Hull
Mitsui F-601
Topsides construction
Swan Hunter on Tyneside
Detailed engineering
Halliburton - Brown & Root
Pipeline bundles fabrication
Rockwater
Produced water package
Baker Hughes
Subsea facilities
two clusters
Cluster A
7 production wells
2 water injectors
1 space for a future well.
2 water injectors
1 space for a future well.
Cluster B
3 producers
2 water injectors
2 aquifer wells
3 spaces for future wells.
2 water injectors
2 aquifer wells
3 spaces for future wells.
Connection lines
The Cluster A (North towhead)
16in production line
8 in test line
10 in water injection
6 in gas line
in a 42.5in carrier pipe
8 in test line
10 in water injection
6 in gas line
in a 42.5in carrier pipe
Cluster B (South tow-head)
12 in oil production line
12in test line
12 in water injection line
4 in gas line and 16in aquifer line in a 47.5in carrier pipe.
12in test line
12 in water injection line
4 in gas line and 16in aquifer line in a 47.5in carrier pipe.
Export
Oil will be stored on board the FPSO
Produced gas will be used for fuel
Excess gas re-injected
Produced gas will be used for fuel
Excess gas re-injected
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