Greater Alwyn Oil and Gas Fields
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Summary Information
- Operator: Total
- Country: UK
- Location: North Sea, 160 kilometres east of the Shetland Islands
- Production start: 1987
- Partners:
- Type: Oil, Gas and Condensate
- Estimated Reserves:
- Production Volume:
+++ Description
- Alwyn North, Dunbar, Ellon, Forvie, Grant, Islay, Jura, Nuggets, and Otter are the fields that form the portfolio in the Alwyn Area of the Northern North Sea.
- 160km east of the Shetland Islands and 440km north-east of Aberdeen,they’re producing approximately 150,000 barrels of oil equivalent per day
- Oil from Alwyn is transported via Cormorant Alpha and the Brent System Oil Pipeline to the Sullom Voe Oil Terminal in Shetland.
- Gas is transported via the Frigg UK Gas Pipeline System to the Fuka St Fergus Gas Processing Terminal near Peterhead
- **Alwyn North** is the hub of the Alwyn Area and the support centre for neighbouring fields. Alwyn North consists of two platforms - NAA and NAB. NAA is the drilling and accommodation platform. NAB is the processing and treatment platform.
- **Dunbar** consists of a single Small Steel Manned Platform -
- **Nuggets:** Consists of four isolated subsea wells within four gas-bearing accumulations. The Nuggets wells are controlled from the Dunbar platform and are linked by subsea pipelines to Alwyn North
- **Forvie North:** A single well in the Brent Formation, via a sub-sea manifold. A new, 15 inch high-pressure gas-condensate link has been constructed from Forvie to Alwyn North
+++ Contractors
- **RGC Offshore:** Construction of Alwyn North NAA & NAB Platforms
- **THOF:** Construction of Dunbar platform
- **Bibby Offshore:** Ellon & Grant Nuggets Well Restart
- **BiFab:**
- Dunbar Separator Module
- Dunbar-Ellon/Subsea Choke Manifold and Protection Cover
- **Heerema Marine Contractors:** Installation of North Alwyn A
- **Saipem:** Dunbar Integrated Deck EPC
- **McDermott-ETPM:** Dunbar to N. Alwyn Pipeline
+++ History
- 1982 - North Alwyn development approved by UK government
- 1987 - First production from North Alwyn
- 1992 - Dunbar Oil Field development approved by UK government
- 1994 - Dunbar production starts
- 1998 - Grant Condensate Field development approved by UK government
- 2003 - First gas from Nugget N4
- 2005 - Forvie North development approved by UK government
- 2002 - Forvie North discovered
- 2006 - First production from Forvie North
- 2007 - Launch Of The Development Of The Jura Field
+++ Geology
+++ Links
- Alwyn Brochure
- List Of Oil Production Platforms In The UK
- List Of Oil and Gas Production Platforms In The UK
- Bibby Offshore Subsea References
- FoundOcean Europe Subsea References
- Saipem Europe Fixed Offshore Production Facilities Project R
- BiFab Platform References
- Serimax Pipeline References
- Start-Up Of Nuggets N4 Sets New North Sea Record
- Total Announces Start-Up Of The Forvie North Field
- UK North Sea: Total announces two promising discoveries in the Alwyn area
- Total Announces The Launch Of The Development Of The Jura Field