Geology
The field is located in the Central Graben.
- Reservoir: Tertiary Palaeocene Forties sands.
- Trap: structural.
- High quality oil.
Development facilities
The field has been developed as a subsea tieback to the BP-operated Ula platform located in the Norwegian continental shelf (34km to the northeast) and comprises two horizontal production wells with gas lift and one water injection well.
History
- The Blane Oil Field was discovered in 1989.
- In 1999 ROC purchased a suite of oil and gas assets in the UK North Sea, including a 15.24% interest in the licence containing the UK portion of the Blane Oil Field.
- The field, which is currently being developed, extends into the Norwegian sector. ROC holds a 12.5% interest in the unitised field.
- A Field Development Plan was submitted in May 2005 and Government sanction was received in July 2005. The Unitisation and Unit
Operating Agreement was finalised in July 2005.
- Two horizontal production wells were drilled and completed by October 2006.
- Ula topside modifications, module installation on the Ula platform, and the tie in of all pipelines and flowlines to the Blane field subsea wells were completed in 2Q 2007.
- Production commenced on 12 September 2007.
- A third well, a water injector, was drilled, completed and tied into the Ula Platform in May 2008.
- Dedicated gas lift supply for the two producing wells was commissioned in February 2009.
JV participants and interests
| Roc Oil (GB) Limited |
12.501% |
| Talisman Energy (U.K.) Limited (Operator) |
25.002% |
| MOC Exploration (U.K.) Ltd (a subsidiary of Nippon Oil Corporation) |
13.994% |
| Eni UK Limited |
13.897% |
| Eni ULX Limited |
4.105% |
| Dana Petroleum (BVUK) Limited |
12.501% |
| Talisman Energy Norge AS |
18.000% |