Update on UKCS Field Development Projects - Intsok

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Field Blackbird Area Central North Sea Operator Nexen Development concept Subsea Transport concept 6km flexible pipeline to Ettrick Start-up 2012/13 Comments: Nexen says it intends to develop the Blackbird oil discovery as a subsea tieback to Ettrick. Blackbird was discovered in 2008 by exploration well 20/2a-8. It tested 3,800 b/d and was suspended for possible recompletion as a producer. An appraisal well is planned for 2010. Another possible Ettrick tieback is the Polecat discovery in 20/4a to the east, on which semisub GSF Arctic IV is expected to spud an appraisal well in the next couple of months. Field Breagh Area Southern North Sea Operator RWE Dea Development concept Platform Transport concept 110km, 20in pipeline to Teesside Start-up Q2 2012 Comments: Project sanction for the Breagh gas field is now looked for in June and start-up in Q2 2012, RWE Dea reports. The first phase of development, which will cost £350-400m, will call for a production platform with 800-900t topsides and 2,000t jacket, from which up to nine wells will be drilled. Platform FEED will be performed by Genesis. Fabrication is an option on the Clipper South platform contract for which bids have been submitted. Wet gas will be exported through a 110km, 20in pipeline (10 km will be overland) to a processing plant on Teesside. FEED for the pipeline has been performed by Genesis. Bids for pipelay have been submitted by Allseas and Saipem. There are likely to be further stages of development involving more platforms and possibly offshore compression facilities. Three successful appraisal wells have been suspended to serve as future producers. There is nearby potential which will be investigated – exploration wells are planned on the Airidh and Macanta prospects. www.intsok.com | 8
Field Bressay Area Northern North Sea Operator Statoil Development concept Platform Transport concept Offshore loading Start-up H2 2015 Comments: Despite tax advantages offered in the budget, Statoil is sticking to its decision to postpone development of Bressay by a year – it aims to seek sanction in mid 2011. Earliest start-up is 2015. In the interim the project has not been shelved but slowed. Concept selection is due to be made in Q3 with FEED getting under way late this year. Development will require capital spending of $1.8 bn on facilities and $1.4 bn on drilling. In 2008 StatoilHydro performed a two-week production test programme on the heavy-oil field – according to Xcite, which exchanged data with StatoilHydro on the Bentley and Bressay fields, the operator subsequently concluded that the field was commercial. The well-test was part of a work programme which also includes seismic and sub-surface surveys. Development is expected to call for a fixed platform and offshore loading. Bressay could serve as a hub gathering production from neighbouring heavy-oil fields. Field *Bugle/Black Horse Area Central North Sea Operator Nexen Development concept Subsea Transport concept 25km pipeline to Scott Start-up 2012 Comments: In late Feb Nexen spudded appraisal well 15/23d-15 to test the northern extension of the Bugle discovery. The well, which is being drilled by semisub GSF Arctic IV, is located on the border with 15/23c, and the two licence groups are sharing the cost. According to partner Premier, if the well is successful, development approval for a subsea tieback to Scott will be targeted for end-year. Bugle lies about 25 km from Scott and Black Horse, another discovery which could be developed jointly with it, about 12 km in the same direction. Nexen is operator of the Bugle and Black Horse licences and of Scott, while Premier is a partner in all three licences. The 15/23c licence group is led by Nippon. www.intsok.com | 9
Page 1 and 2: Update on UKCS Fie
Page 3 and 4: Field *Maule Area Central North Sea
Page 5 and 6: Field Auk Redevelopment Area Centra
Page 7: Field Barbara/Phyllis Area Central
Page 11 and 12: Field Cheviot Area Northern North S
Page 13 and 14: Field Columbus Area Central North S
Page 15 and 16: Field Devenick Area Northern North
Page 17 and 18: Field Franklin West Area Central No
Page 19 and 20: Field Harrison Area Southern North
Page 21 and 22: Field *Jackdaw Area Central North S
Page 23 and 24: Field Kew Area Southern North Sea O
Page 25 and 26: Field Moth Area Central North Sea O
Page 27 and 28: Field Rosebank/Lochnagar Area West
Page 29 and 30: Field Vulcan East Area Southern Nor
Page 31 and 32: 3 Possible future projects One new
Page 33 and 34: Field Maureen Redevelopment Area Ce
Page 35 and 36: Field Sheryl Area Central North Sea
Page 37 and 38: 4 Decommissioning projects No new e
Page 39 and 40: Field Kittiwake SAL System and Pipe
Page 41 and 42: Field Welland Area Southern North S

Update on UKCS Field Development Projects - Intsok

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