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'Stena Don'

Major refit for drilling rig 'Stena Don' at Damen Verolme Rotterdam

Date
February 2019
Ship name
'Stena Don'
Ship type
Offshore Construction Vessel
Yard
Damen Verolme Rotterdam
Tasks performed for this project
  • Repair
  • Maintenance

Damen Verolme Rotterdam (DVR) has completed a five-month repair and refit project on the drilling rig Stena Don. During her time there she underwent a comprehensive range of works to prepare her for her next project, with DVR delivering a complete turnkey package. The Stena Don is harsh environment, dynamically positioned, 5th generation semi-submersible drilling rig capable of drilling in waters up to 650 metres deep. Owned and operated by Stena Drilling, she is 95.5 metres in length and with a beam of 67 metres.

This was a highly complex project, with preparations starting three months before she arrived at the yard. The largest single element was the installation of a new, eight-point mooring system and engineering for this began as soon as the contract was signed.

The anchor chain lockers plus two sponsons, weighing 1,200 tonnes in total, were all fabricated at Damen Shipyards Mangalia and shipped to Rotterdam ready for installation.

A series of major activities

As well as the anchor chain lockers, the installation of the mooring system included fitting eight anchor winches and their fairleads plus the winch control cabins, new VFD switchboards and brake resistor units. The eight ultra-high-holding power anchors were delivered by Damen’s Anchor and Chain Factory. In addition to that, the yard also strengthened the hull to comply with the new regulations regarding the mitigation of wave impact forces. All this extra weight then required the fitting of the two additional sponsons fabricated at Damen Shipyards Mangalia in Romania to maintain the rig’s stability. Meanwhile, the POB capacity was upgraded from 120 to 140 persons on board, which involved accommodation upgrades as well as the fabrication and installation of two triple lifeboat systems. This was another major activity in its own right.

On time and fit-for-purpose

“This was a major project with limited time available, and it had its challenges.” said Jan Kees Pilaar, managing director of DVR, “It was effectively a turn-key project with DVR handling every aspect including the engineering. However, we know Stena Don from previous projects and have an excellent working relationship with Stena Drilling. The support of different specialist units within the Damen Group was also a significant factor in ensuring a successful conclusion.”

“We are deeply impressed with how DVR, in close cooperation with our own first-class project team on site and all involved subcontractors, managed to successfully complete this very challenging project on time, on budget and without incidents,” added Fredrik Samuelsson, Commercial Project Manager at Stena Drilling. “A lot of work had to be completed in a very short time frame and this could only be achieved thanks to the professionalism and dedication shown by DVR throughout the project. The result is a very capable and highly versatile rig which will make us and our clients proud for many years to come.”

DAMEN VEROLME ROTTERDAM

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Damen Verolme Rotterdam can accommodate any seagoing vessel or floating offshore unit. The yard is well known for its drydocking, repair and maintenance capabilities and has a long track record of modification and conversion of ‘upstream’ offshore units.

  • Drilling rig 'Stena Don' - repair project DVR
  • Drilling rig 'Stena Don' - refit project DVR
  • Drilling rig 'Stena Don' - repair project DVR
  • Drilling rig 'Stena Don' - refit project DVR

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Jorrit Pilaar

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Alexandre Richerd

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Hans van Doorn

Hans van Doorn

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Carlos de Vliegere

Carlos de Vliegere

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Hans Bisschop

Hans Bisschop

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Eirik Eide

Eirik Eide

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Hans Bisschop

Hans Bisschop

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hans.bisschop@damen.com
Jorrit Pilaar

Jorrit Pilaar

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+31 (0)6 15489406
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jorrit.pilaar@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
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hans.bisschop@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
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hans.bisschop@damen.com
Carlos de Vliegere

Carlos de Vliegere

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+33 (0)3 28664800
E-mail
carlos.de.vliegere@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
E-mail
hans.bisschop@damen.com
Jorrit Pilaar

Jorrit Pilaar

Sales Manager

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+31 (0)6 15489406
E-mail
jorrit.pilaar@damen.com
Klaas Kuper

Klaas Kuper

Sales Manager

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+31 (0)6 22383193
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klaas.kuper@damen.com
Eirik Eide

Eirik Eide

Sales Manager

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+47 (0)9 4020855
E-mail
eirik.eide@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
E-mail
hans.bisschop@damen.com
Klaas Kuper

Klaas Kuper

Sales Manager

Telephone
+31 (0)6 22383193
E-mail
klaas.kuper@damen.com

Alexandre Richerd

Sales Manager

Telephone
+33 (0)3 28514311
E-mail
alexandre.richerd@damen.com
Hans van Doorn

Hans van Doorn

Sales Manager

Telephone
+31 (0)6 53323156
E-mail
hans.van.doorn@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

Telephone
+31 (0)6 13673489
E-mail
hans.bisschop@damen.com
Jorrit Pilaar

Jorrit Pilaar

Sales Manager

Telephone
+31 (0)6 15489406
E-mail
jorrit.pilaar@damen.com

Alexandre Richerd

Sales Manager

Telephone
+33 (0)3 28514311
E-mail
alexandre.richerd@damen.com
Flip van der Waal

Flip van der Waal

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Jorrit Pilaar

Jorrit Pilaar

Sales Manager

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+31 (0)6 15489406
E-mail
jorrit.pilaar@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
E-mail
hans.bisschop@damen.com
Hans Bisschop

Hans Bisschop

Sales Manager

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+31 (0)6 13673489
E-mail
hans.bisschop@damen.com
Hans van Doorn

Hans van Doorn

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hans.van.doorn@damen.com
Edwin Ruppert

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Ruud Haneveer

Ruud Haneveer

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