English: The Lun-A (Lunskoye-A) platform, located 15 km off the north eastern coast of Sakhalin Island, in a water depth of 48 m. It is a drilling and production platform with minimum processing facilities. the four legged concrete gravity base substructure (CGBS) was engineered and constructed in Vostochniy port by Aker Kvaerner Technology AS and Quattrogemini OY and was installed in June 2005.