(EnergyAsia, July 22) — The concrete gravity base substructure (CGBS) for the Sakhalin II Phase 2 Project’s Piltun-Astokhskoye B (PA-B) platform has started its journey to Sakhalin, when it was towed out of the dry dock at Vostochny near Vladivostok port.   Sakhalin Energy said that the tow-out of the PA-B structure follows the successful…