| Location |
Northern North Sea, 160km NE of the Shetland Islands |
| Block number |
211/12 |
| Water depth |
186 metres |
| Size of field |
Large - 869 million barrels and 321 bcf recoverable |
| Number of platforms |
1 |
| Discovered |
March 1978 |
| Jacket weight |
40,400 tonnes |
| Where built |
Nigg Bay |
| Topsides weight |
31,000 tonnes |
| Where built |
1 continental and 4 British yards |
| Accommodation |
194 |
| Oil export pipeline |
24-inch to Ninian Central |
| Gas export pipeline |
20-inch to Brent Alpha (Northern Leg Gas Pipeline then FLAGS) |
| Start-up |
August 1983 |
| Peak |
156,000 bpd oil, 12,000 bpd gas condensate, 60 mmscf/d gas |
| Current production (2009) |
25 mbd |
| Participants |
BP, Marubeni, Nippon, Eni |
| Development cost |
1.1 billion pounds |
| Total height of platform from seabed to top of flarestack |
312m |
| Drilled depth of wells |
Up to 5,200m in deviated holes Directional drilling maximum deviation (platform wells); 85 deg Radius covered from platform; 3.8km |
| Maximum design wave height |
100 yr storm; 31m with 15-20 second period |
