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Elgin-Franklin Offshore Field, North Sea


Blocks 22/30b, 22/30 and 29/5b

Water Depth

305ft (93m)

Field Discovered

Elgin - 1991, Franklin - 1986

First Production

Elgin - April 2000, Franklin - October 2000

Gas Ultimate Recovery

Elgin - 889 billion standard cubic feet (25.2 billion cubic metres), Franklin - 821 billion standard cubic feet (23.3 billion cubic metres)

Condensate Ultimate Recovery

Elgin - 244 million barrels (38.7 million cubic metres), Franklin - 123 million barrels (19.5 million cubic metres)

Estimated Recovery Factor

Gas - 58%, Condensate - 52%

Production Facilities

Gas condensate separated into liquid hydrocarbons and commercial-quality gas, condensate exported via pipeline to Kinneil via Cruden Bay, commercial gas exported via seal pipeline to Bacton terminal

Platform Type

Pile founded, jack up

Hull Weight




Legs / Piles





338ft (103m) per side


68 beds

Normal Manning

48 (when not set-icing wells)

Freefall Lifeboats

3 x 45-man capacity

Platform Type

Steel jacket, four legs

Jacket Weight

Elgin - 2,715t at lift<br />Franklin - 2,800t at lift


Elgin - 1,743t (provisional)<br />Franklin - 2,093t (provisional)

Deck Dimensions

Elgin - 63.66ft x 111.5ft (25.5m x 34m)<br />Franklin - 63.66ft x 150.92ft (25.5m x 46m)


Elgin - 2 platform slots<br />Franklin - 9 platform slots

Freefall Lifeboats

1 x 20-man capacity<br />1 x 15-man capacity<br />1 x 10-man capacity

Condensate Export

24in x 24 miles (61cm x 38km) spur lines Marnock to unity pipeline close to Marnock<br />Joint liquids export with Shearwater

Gas Export

4in x 292 miles (86cm x 468km) SEAL line to Bacton<br />Joint gas export

Interfield Line

Two 12in x 4 miles (30cm x 5.5km) lines exponing well fluid from Franklin to Elgin PUQ<br />Two service umbilicals from Elgin PUQ to Franklin<br />One power cable / fibre-optic cable

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