Gazprom has started production at a plant near Portovaya compressor station in Vyborg District of the Leningrad Region, energy company's deputy chairman Vitaly Markelov said. "Today two technological lines are working ... About 30 thousand tons of LNG have been produced," he said at the Eastern Economic Forum. Gas is pumped through Portovaya station to Nord Stream. However, due to an oil leak at Portovaya gas compressor unit, Gazprom announced on September 2 that it had completely halted supplies.