Marine Link
Thursday, September 29, 2016

Gibraltar's Gibdock Refits 3D Seismic Ship

May 20, 2013

WG Cook at Gibdock: Photo credit Gibdock

WG Cook at Gibdock: Photo credit Gibdock

Gibdock completes a refit of the 12-streamer 3D seismic vessel 'WG Cook' for WesternGeco.

WG Cook is one of six 12-streamer 3D seismic ships delivered to the owner in 2010. The 19-day project was completed on time and with no serious QHSE incidents in preparation for WG Cook’s deployment offshore Canada for a seismic survey. 

“The project was awarded on a competitive tender basis, while the location of the yard is also favourable for this project,” says Mick Richardson, WesternGeco Fleet Technical Manager. “However, our return to Gibdock also reflects our preference for teamwork based on forward planning and our requirement for a strong commitment to QHSE. We were also pleased with Gibdock’s preparation and pre-fabrication work.”

Gibdock allocated its largest drydock to the project, allowing a variety of yard equipment to be deployed simultaneously. The dock’s heavy lifting capability was also a factor, with one of its three cranes being occupied continuously by a 5m exhaust extension and main mast modifications. Docking repairs also included the replacement of the ship’s thruster z-drives, box cooler removal, sea chest modification, hull blasting and painting.

Particularly demanding was upgrade and modification of WG Cook’s hydraulic pipes on two decks, and modification of hydraulic lines after equipment relocation. The WG Cook project included work on hydraulics, so skills available in this trade were a particular focus, with close co-ordination between the ship's owner, the yard and the yard’s subcontractors.

Richard Beards, Gibdock Managing Director, says that the WG Cook project falls firmly in line with Gibdock’s strategy to work in long-term relationships with ‘best in class’ clients. “As well as delivering high quality work on a high-value vessel, this kind of project relies on transparency at the planning stage. This means final costs match estimates provided.”
 



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