Page 58: of Offshore Engineer Magazine (Mar/Apr 2014)

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Pipelines

Taking the strain design is based on existing s-lay and j-lay

Ceona Amazon (3D model) in full ? eld

A newbuild vessel, the development con? guration with rigid and technologies, but with a new approach to

Ceona Amazon, is due to enter ? exible pipe. Images: Ceona.

how they are arranged on board the drill- ship style vessel. the pipeline installation and

The 200m-long, 32m-beam, Ceona Werft Bremerhaven, in Bremerhaven, construction market late in 2014.

Amazon is a multi-construction vessel, where the vessel is undergoing ? nish- able to install 16in. pipelines in up to ing. It will then move to Huisman’s yard

Ceona’s explains Vibor Paravic 2500m water depth as well as accommo- in Schiedam, the Netherlands, where stress and strain considerations date pipe-in-pipe systems. its two, 400-tonne capacity, heavy load for pipelay vessels.

The vessel will enter service in 1Q cranes, and the 570-tonne pipelay tower 2015, nine months after its ? ex-lay sister will be ? tted.

The Amazon has been designed to vessel, the Polar Onyx, entered Ceona’s combine proven s-lay and rigid-lay ? eet.

he Ceona Amazon is London- The Amazon’s hull was built at the construction equipment, in a con? gu- based Ceona’s new concept in Gdansk Crist Shipyard in Gdynia, ration that optimizes deck space and

T laying rigid pipe. The vessel’s Poland, before being shipped to Lloyd ef? ciency.

Forming around the

Forming around Straightening in the free-span tower aligner wheel deck aligner wheel between aligner wheels 500 500 500 400 400 400 300 300 300 200 200 200 100 100 100

Stress

Stress

Stress 0 0 0 -0.004 -0.002 0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 -0.004 -0.002 0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 -0.004 -0.002 0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 -100 -100 -100 -200 -200 -200 -300 -300 -300 -400 -400 -400 -500 -500 -500

Strain

Strain Strain

March 2014 | OE oedigital.com 60 000_OE0314Pipelines2.indd 60 2/21/14 1:03 PM