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February 2011, when it immediately (USC), worth about $360 million. commenced a bareboat charter with Under these contracts, Subsea 7

Subsea 7. will continue to provide SCIRM The naming ceremony for the services across Shell’s European next-generation IMR and light offshore felds and facilities. The construction vessel Seven Viking, company has worked in partnership built by Ulstein, took place in with Shell in the North Sea since

EPIC – Vessels

Stavanger at the end of January. 1990. The contract extension will

The ship now begins a long-term commence in 2014 and continue charter with Subsea 7, working until at least 2016 with the under contract with Statoil. Classed possibility of up to a further two- as ‘Ice-C’ by DNV, the new vessel year extension.

has a crew capacity of 90, length of The advanced diving support 106.5m, molded breadth of 24.5m vessel Seven Atlantic and the IMR, and 16-knot service speed. It is survey, and light construction co-owned by Eidesvik and Subsea 7 vessel Normand Subsea will be under the joint venture Eidesvik dedicated to operate for Shell and

Seven. managed by an onshore engineering Recent contract awards for the and support team of more than 50 “will reinforce our leading diving company include a US$30 million people. Both vessels are designed capabilities with one of the world’s project with BP to support the for year-round subsea operations largest DSV feets, and enable us redevelopment of the Schiehallion in exposed conditions. They will to continue to serve our clients in feld, West of Shetland. This is part provide 24-hour diving and ROV an effcient, cost-effective and safe of a subsea construction, inspection, support services in the North Sea.

manner on many future projects”. repair, and maintenance (SCIRM) The new DSV will be equipped frame agreement contract.

with the latest integrated diving The scope of the Schiehallion equipment; a three-split engine project includes providing a and propulsion confguration subsea construction vessel for fve ensures the highest level of months to disconnect the subsea redundancy. With accommodation risers, prior to the removal and for 110 people, the new DSV will replacement of the existing FPSO. incorporate an 18-man saturation The work will be engineered and system supplied by Drass and managed from the company’s rated for 300m, with two moon- offce in Aberdeen, with offshore pool deployed, three-man diving work due to begin early this year. bells and two 18-man hyperbaric Subsea 7 has been providing SCIRM lifeboats. The vessel will be services in the harsh, West of powered by six main engines Shetland deepwater environment in three separate engine rooms for more than 18 years.

designed to maximize performance BP has extended its SCIRM in DP3. The design length is 123m contract in the North Sea by fve (403ft), breadth 24m, depth 10.5m, years. The extension is valued at and service speed 12 knots. It will about $300 million and will run have a 120 tonne (132 ton) AHC through 2017. Under the terms of knuckle-boom main crane, a deck this contract, Subsea 7 will deploy area of around 980 sq m (10,548 sq ft) the multi-purpose support vessel and a 1000 tonne deck load Subsea Viking to provide extensive capacity. support services, primarily for The company now owns the BP’s operations in the Foinaven

DSV Seven Havila (pictured above) and Schiehallion felds, as well as outright, having acquired Havila support for BP assets in the North

Shipping’s 50% share in the Sea.

joint venture Acergy Havila last Shell Upstream International

December. The JV owns the diving Europe has awarded Subsea 7 a support vessel Seven Havila, built two-year extension on both of in 2010 and delivered to the JV in its underwater services contracts

OE | February 2013 oedigital.com 68 oe_vessels.indd 68 31/01/2013 17:00