Piltun-Astokhskoye field, offshore Sakhalin island

Sakhalin V


Feasibility study of two loading concepts, Submerged Turret offloading in ice and DP-offloading in ice was done. The study included review of ice conditions at Sakhalin offshore, operations in ice, global load estimates and ice engineering challenges.

Study of sub-surface ice and ice transport, load impact on sub-surface appendices, mooring andrisers. Screening of riser and mooring solutions for ice operations.