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Leadon

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<BR> 70,000 barrels of oil/d <BR> 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<BR>2 water injectors <BR> 1 space for a future well.

Cluster B

3 producers<BR>2 water injectors<BR>2 aquifer wells <BR> 3 spaces for future wells.

Connection lines

The Cluster A (North towhead)

16in production line<BR> 8 in test line<BR> 10 in water injection <BR> 6 in gas line <BR> in a 42.5in carrier pipe

Cluster B (South tow-head)

12 in oil production line <BR> 12in test line <BR> 12 in water injection line <BR> 4 in gas line and 16in aquifer line in a 47.5in carrier pipe.

Export

Oil will be stored on board the FPSO <BR> Produced gas will be used for fuel <BR> Excess gas re-injected
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