Page 97: of Offshore Engineer Magazine (Sep/Oct 2014)

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The agreements have been signed with

Vessels

Subsea 7 (four vessels) and Seabras

Sapura (three vessels), the partnership between SapuraKencana and Seadrill.

The orders secured with Subsea 7 include two vessels already delivered – Seven Waves, during March this year, and Seven Seas. With an overall length of 146m (479ft), a beam of 30m (98.4ft) and a Class-2 dynamic positioning system, these vessels will be equipped for trans- the Ceona Amazon will be a specialized porting and installing fexible fowlines foating factory capable of operation, for and umbilicals in water depths of up to the main, independent of land support. 3048m (10,000ft). Subsea 7 is delivering

Two 400-ton capacity heavy cranes the pipelaying spreads for the three new to port and a 30t knuckle boom crane vessels. The frst in the series, Sapura located amidships on the 4600sq m Diamante, was delivered during late June (49,514sq ft) deck behind the superstruc- this year.

tures help transport pipes into a special Royal IHC then signed contracts with bending and laying system after they SapuraCrest for the design, engineering have been joined by robotic welding and construction of two new 550t pipe-

Work on the quayside at Huisman’s Schiedam facility. Photo from Alan Thorpe.

machines. laying vessels and a third vessel, a 300t

Huisman – supply of lay systems

The pipelaying systems, which Onyx and the 800t MLS for Ezra’s Lewek version, to be delivered to Brazil’s OSX comprise a 275t vertical-lay system, Rotterdam’s Huisman, the worldwide Constellation were both installed when Construção Naval S.A. All three ships will be installed after the vessel arrives specialist in lifting, drilling and subsea the ships arrived in Rotterdam. will install fexible pipelines in Brazilian at Huismen’s Schiedam facility in solutions, has recently delivered fve waters, pursuant to Petrobras’ contracts

Royal IHC busy with pipelayers

Rotterdam, prior entering service for pipelay systems out on the quayside of for the charter and operation of pipelay-

Ceona. their production facility in Schiedam. During the past 12 months, Holland’s ing support vessels, which were awarded

Earlier this year Ceona took delivery This 66m high production hall offers the Royal IHC’s offshore division – formerly to SapuraCrest. of the 9000grt X-Bow diesel-electric largest indoor lifting capacity in Europe IHC Merwede – has been successful in These frst two vessels are the frst fully propelled pipe-layer Polar Onyx. Take (1200tonnes), allowing for the simultane- securing orders worth over €1 billion integrated offshore vessels completely an in-depth look at the Polar Onyx on ous indoor assembly, including testing for the design, engineering and con- designed, engineered and built by Royal page 102. and commissioning, of several products struction of seven pipelaying vessels. IHC with a pipelay spread supplied by and systems. This allows for

Principal particulars fast installation, commission- ing and testing onboard.

550t pipe-laying vessels300t pipe-laying vessel

Pipelay systems recently

Length overall 146.00 m 133.81 m delivered by Huisman,

Breadth 29.94 m 24.00 m

Schiedam include an 800t

Multi-lay System (MLS) for

DP Class 2 2

Ezra’s Lewek Constellation,

Main crane capacity 250 t 100 t a 275t vertical-lay system

Pipe tension capacity, dynamic load 550 t 300 t for Ceona’s Polar Onyx, a 150t vertical-lay System for (VARD) Ocean Installer’s

Normand Vision and a por- table 150t vertical-lay system for Technip. An additional 550t tiltable-lay system (TLS) for Subsea 7 has already been installed onboard the Seven

Waves, which underwent the installation at Huisman’s quayside and departed for sea trials in February 2014.

The 150t Ocean Installer

VLS and the 150t Technip

VLS were transported to other yards for installation– respectively Sovik in Norway and Le Trait in France. The 275t VLS for Ceona’s Polar

The from Royal IHC.

Seven Waves Photo from Lloyd Werft.

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September 2014 | OE 098_OE0914_Vessels1_pipelay overview.indd 99 8/21/14 8:17 PM