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Blake Flank

Operator

BG

Location

UK North Sea, Outer Moray Firth, 64 miles from Aberdeen

Main field

Blake channel

Geology

Thick channel sand

Recoverable reserves

50 to 75 million barrels of light oil

Discovery well

13 / 24b-3

Drilled

March 1997

Type

Sweet (little H<span class="sub">2</span>S)

Gravity

32º API

Flow rate

2,600 barrels per day on a 40/64in choke

Total appraisal wells

4

Maximum flow rate

4,000 barrels per day

Development drilling

8 wells

Production facilities

Bleo Holm 9.5km away

Pipelines

10in and 12in production lines; 24in Frigg UK pipeline to St Fergus

Blake Flank approval

November 2002

Cost

£60 million

Operator

BG International

Partners

Talisman Energy; Paladin Resources

Wells

2 production; 1 water

Appraisal well

17 September 2001

Testing

1 Coracle Formation, flowed 2,450bpd on a 56/64in choke<br />2. Captain sands, flowed 3,000bpd on a 1in choke

Subsea controls

Kvaerner

Subsea Christmas tree

Cameron Cooper

EPIC subsea installation

Technip Offshore UK

Tie-back

2 subsea production wells; 1 water injection well

Scope

3 flexible flowlines, one for water injection (6.5in, 4km), one for production (8in, 2.7km) and one for gas lift (4in, 2.7km); 2 electro-hydraulic control umbilicals (2.7km and 1.4km)

Reserves

20 million barrels over ten years
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