The first five Yggdrasil subsea templates have been safely installed in the Yggdrasil area. The templates are the first building blocks of the major Yggdrasil development, and with this the project has entered a new phase with offshore installations. The templates are 30 metres long, 20 metres wide and weighs 418 tonnes. First steel for the templates was cut just over one year ago at Marketex Offshore Construction in Tallinn in Estonia. The yard is delivering nine identical templates for the Ygg

Inside a Subsea Pipeline Network - Installation and Repair Underwater Breakdown of the oil and gas subsea (offshore) pipeline network, how pipes are laid down to the seabed, and how the damaged pipes are repaired under the deep water. | Thialf - Engineers & Constructors