MOSCOW (Mineweb.com) – Victor Vekselberg has taken so much value out of the Siberian region of Tyumen, it’s understandable that he says he is thinking of putting something back. According to Vekseiberg’s spokesman, Tyumen – the oil-rich region that has been home to one of Vekseiberg’s properties, the Tyumen Oil Company (TNK) – is being […]