Statoil has contracted Heerema Fabrication Group’s (HFG) Vlissingen yard in the Netherlands for the engineering, procurement and construction of a fixed jacket for the Dagny field development in the central part of the North Sea.This will be the largest launch jacket ever built at HFG.
HFG Engineering completed the FEED study of the Dagny jacket in October 2011. Now, Heerema Vlissingen has also received the contract to build this 16,000 tons launch jacket and a pre-drilling module of 155 tons.
Largest Launch Jacket So Far
The Dagny jacket will be the largest launch jacket ever to be constructed at HFG’s Vlissingen fabrication facility. Heerema Vlissingen will start the fabrication in November 2013 with a planned delivery in April 2015. The jacket will be approximately 142 meters tall with a footprint of 60 x 50 metres and a top of 40 x 30 meters. The pre-drilling wellhead deck of 14 x 14 x 4 meters, will accommodate the phased development of the Dagny field and will eventually be integrated into the topsides cellar deck. Through the contract employment is safeguarded until the second quarter of 2015.
Dagny Field Development
The Dagny field development is a gas, condensate and oil field, located in the Norwegian central part of the North Sea, about 30 kilometres northwest of Sleipner. The Dagny field will be developed with a fixed platform in a water depth of 116 meters and will be tied into the Sleipner facilities for gas export with oil being transported by tankers.
Picture: Artist impression of the Dagny launch jacket (copyright HFG)
