Eider Oil Field

Summary Information

• Operator: TAQA
• Country: UK
• Location: Block 211/16a in the East Shetland Basin, North Sea
• Production start: 1988
• Partners:
• Type: Oil
• Estimated Reserves:
• Production Volume:

+++ Description

• Eider consists of a fixed 8 legged steel jacket, serving as a manned production facility
• Water injection facilities are provided by the platform on Tern Oil Field
• The **Otter Oil and Gas Field** is a satellite field
• Oil and gas is exported to North Cormorant via a subsea pipeline before being exported via the Brent System Oil Pipeline to Sullom Voe Oil Terminal in the Shetlands.
• Installation structure: a four leg, eight column steel jacket sub-structure, supporting an Integrated Deck Structure (IDS), containing a wellbay, process bay and utilities bay.

+++ Contractors

• **Heerema Marine Contractors:** Platform Construction
• Saipem: Pipeline between Tern & Eider - T&I
• **FoundOcean:** Grouting for Platform
• **KWsubsea:** UHB assessment for one 20km production flowline and one 20km water injection flowline for Otter development

+++ History

• 1976 - Eider Oil Field discovered
• 1985 - Government approval granted
• 1988 - First oil produced
• 2002 - Dana acquired a 19.0% interest in the Otter field from ENI
• 2007 - Shell and Esso decide to dispose of the field along with a number of others
• 2008 - TAQA acquired 100% stake in the field from Shell and Esso

+++ Geology

• Middle Jurassic (Brent) sands
• Reservoir depth: 2620 - 2750m (8600 - 9030ft)

+++ Links

1. Eider, Fast Facts
2. TAQA Environmental Statement 2012
3. Saipem Europe Pipeline References
4. FoundOcean Europe Subsea References
5. UK Oil and Gas Fields by Approval Date
6. KWsubsea Upheaval Buckling And Out Of Straightness Analysis
7. Eni Divests a Portfolio of Non-Core Assets in the Uk North Sea
8. Shell and Esso to market selected North Sea assets
9. TAQA Completes Acquisition Of North Sea Assets From Shell And Esso