Update on UKCS Field Development Projects - Intsok

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Field **Platypus Area Southern North Sea Operator Dana Development concept Platform or subsea Transport concept 25 km pipeline to Cleeton? Start-up 2012 Comments: Dana has discovered some 130 bcf of gas with the Platypus exploration well in 48/1a. In late Apr it planned to suspend the well and consider development options. The most likely host appears to be BP’s Cleeton field centre which lies about 25 km to the north-west. A simple development could probably be brought on stream by 2012. Field Polly Area Moray Firth, central North Sea Operator Ithaca Development concept Subsea or ERD Transport concept If subsea, 3km pipeline to Beatrice B Start-up H1 2011 Comments: Ithaca is preparing to develop the Polly discovery in the Inner Moray Firth using the Beatrice infrastructure. Whether development goes ahead depends on the results of an appraisal well to be drilled probably in Q3 – this may either be a subsea well or an extendedreach well from Beatrice B platform. The well will double as the single producer – if subsea it will be tied back to Beatrice B by a 6in pipeline. The northern part of Polly may be developed by a subsea well tied back to the Jacky platform. www.intsok.com | 34
Field Sheryl Area Central North Sea Operator Sterling Development concept Subsea Transport concept 8km pipeline to Pict Start-up 2011/12 Comments: According to Sterling, which last year took back the operatorship of Sheryl from Oilexco North Sea, development has been awaiting capacity in Petro-Canada’s Pict pipeline system. Pict, which lies about 8 km from Sheryl, is tied into Hess’s Triton FPSO. A debottlenecking project on Triton, including an increase in the capacity of pipelines linking Petro-Canada’s fields to the FPSO, is due to be implemented this year, which will perhaps open the way for Sheryl. Other offtake options will be investigated, according to Sterling, though apart from other points of entry into the Triton infrastructure, there is nothing else nearby. Reserves are understood to be around 3m bbl, so the field could benefit from the tax break for marginal fields announced in the 2009 budget. Oilexco’s 65% stake is now held by Premier, which has agreed to sell it to Canadian independent Velo Energy. DECC has now given Velo, which is headed by the former head of Oilexco, permission to become a non operating partner in UK licences. Field Thoresby Area Southern North Sea Operator Hansa Development concept Subsea Transport concept 12-35km pipeline to Waveney, Lancelot or Amethyst Start-up 2011/12 Comments: Hansa has acquired Serica’s interest in the Thoresby gas field, formerly known as Chablis, along with the operatorship. Subsurface studies are under way – Gardline has acquired high-resolution 2D seismic data and this, along with exiting 3D data, is being reprocessed to provide better understanding of the extent of the gas accumulations. CSL is assisting with concept selection. Development will involve a subsea tieback, either to an entry point into Perenco’s Lancelot pipeline system or to BP’s Amethyst – the Waveney platform lies some 12 km to the east and Lancelot 18 km to the north-east, while Amethyst is about 35 km to the north-west. A development decision is expected this summer. There is a small chance start-up could be achieved in late 2011, but 2012 is more likely. www.intsok.com | 35
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 and 8: Field Barbara/Phyllis Area Central
Page 9 and 10: Field Bressay Area Northern North S
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: Field Maureen Redevelopment Area Ce
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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