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EPIC

Unmanned distribution. Image from Ramboll.

Norwegian Continental Shelf (NCS) depth. operate in oil ? elds with soft seabed, under consideration for development. The platform essentially comprises a seen as challenging for conventional

The lion’s share is marginal in volume, deck box, four-chord square truss struc- jackups.

and many of them are candidates as ture (mono-column) and a mat founda- The MCP design, which comes from tiebacks to nearby host platforms. But, tion. With the mat design, the MCP can Brian Chang, who owns Calm Oceans many are located less than 50km from existing infrastructure, and many even less than 20km, Vestflanken 2 a range which an unmanned

Statoil and partners Petoro, Total wellhead platform could be- come a very ef? cient solution, and ConocoPhillips have esti-

Juhl says. mated the development cost for

There are various options for

Vest? anken 2 as NOK 8.2 billion minimal facilities, Juhl says, (US$960 million). This invest- with the smallest being a mono- ment will enable the production of pile, or a “wellhead on a stick,” around 110 MMboe. as it’s been called. It has been

The wellhead facility will have 10 used in the Gulf of Mexico, well slots. To increase the recovery

Middle East, Denmark [Tyra of oil, two of the slots will be used

South East A and Cecilie] and

Vest? anken 2, artists’ impression. Image from Statoil.

to inject gas. In addition, two the Netherlands. These often under construction. It is owned by the production wells will be drilled just operate one well.

Oseberg license.

from an existing subsea template on the

Contractors selected for work bringing

Mono column designs

Vest? anken.

Indeed, mono-column plat- on Vest? anken 2 include Technip (pipelay-

Further injection will take place by bring- forms (MCPs) are a viable op- ing), Ocean Installer (marine construc- ing in gas through a new pipeline from the tion for the Norwegian market, tion), Heerema Fabrication Group (EPC gas injection system which already exists according to Bergen Group and of the unmanned wellhead facility), and in this area. The wells on Vest? anken 2

Singapore-based Calm Oceans,

Heerema Marine Contractors (transport will be controlled from the Oseberg ? eld which agreed to an agency deal and installation). In addition, Aibel will center, where the oil and gas will also be to market the concept earlier work on the Oseberg ? eld center to receive processed.

this year. Their concept is a the well stream from Vest? anken 2, and

The wells at Oseberg Vest? anken 2 will self-elevating, multipurpose

FMC Technologies will supply two subsea be drilled by the new category J jackup jackup with up to 5000-tonne trees.

• drilling rig Askepott, which is currently deck load, for up to 130m water oedigital.com August 2016 | OEAugust 2016 | OE 3737 036_OE0816_Epic1_unmanned.indd 37 7/24/16 11:03 AM