Ships of Interest
The Seven Borealis is Subsea 7’s world-class enabler.
Keel laid by: Nantong Yahua Shipbuilding Commpany Limited at Nantong (CHR).
Launched : 19 Oct 2009. Construction completed: 21 Feb 2012 at Singapore.
technical management by: Acergy France S.A.
This pipelay/heavy lift vessel has been designed to meet the requirements of ultra-deep and deepwater operations.
Important is the design, construction and installation of a state-of the-art 600t S-lay system and installation of a 1000t J-lay tower. The J-lay tower has been installed in Vlissingen at VDS after a few months of maintenance.
Main Crane Capacity (mt): 5,000t
Location: Main deck centreline aft
Manufacturer: Huisman Equipment BV
Dual Main Hoist, Revolving: 4,000t at 40m radius. 1,500t at 78m radius
Auxiliary Hoist (Subsea Hook): 1,200t at 70m radius, 4 falls. 600t at 103m radius, 2 falls
Operating Water Depth (m): 6,000m - single fall
Active Heave Compensation: Auxiliary hoist only
Whip Line: Single fall: 55t at all radii. Double fall: 110t at all radii
Main Crane Tugger Winches: 4 x 45t pull. Constant tension up to 22t each
Main block is splitable into two blocks/hooks to allow jacket upending
Three point lifts can be achieved using the two main blocks and the auxiliary block
Auxiliary Cranes Number: 3
Capacity and Location: 40t Dreggen knuckle boom on starboard side
40t Dreggen knuckle boom on port side
36t Huisman PMOC on port side
Berths (No.): 231 in single or double cabins or 405 in single / double / 4 x man cabins
Cabins (No.): 127
|Shipowner:||Subsea 7 Vessel co. Ltd|