The Chevron-led consortium operating the giant Tengiz oilfield in Kazakhstan has resumed production at the site following a fire on January 18 that forced a temporary shutdown. “Tengizchevroil confirms the safe start-up of the power distribution system and the initial stage of resuming crude oil production. TCO is working to gradually increase production volumes as conditions allow,” the Tengizchevroil consortium said in a statement on Monday carried by Reuters. Tengizchevroil’s shareholders include Chevron with a 50% stake,…