P11-B Unity

General information

ClientDana Petroleum 
ProjectP11-B Unity 
Installation2019 
LocationNorth Sea (Dutch sector) 
VesselsLorelay, Calamity Jane 
Max. water depth30 m

Scope of work

  • Pre- and post-lay survey activities
  • Crossing preparations: cable cutting and mattress installation
  • Installation of ~17 km, 8-inch gas export pipeline in flooded condition
  • Burial to 1m top of pipe
  • Pre-commissioning
  • Procurement of anodes, mattresses, consumables and installation aids
  • Fabrication of pipeline heads and roller guides

Project specials

  • Installation of start-up pile close to platform P15D by Lorelay