ProductionForce majeure on Sakhalin 1 oil shipments: reportExxonMobil shuts in some Russian wells as export tanker shipments slowAftermath: the Berkut offshore production platform at the Sakhalin 1 offshore licence Arkutun-Dagi Block in the Okhotsk Sea in RussiaPhoto: EXXON NEFTEGASVladimir AfanasievReuters