Russia’s oil pipeline monopoly Transneft saw its 2011 net profit soar 53.1 percent year-on-year to 191.218 billion rubles ($6.17 billion) to IFRS, the company said in a statement on Thursday. The company’s pre-tax profit rose 50 percent to 235.529 billion rubles, while Transneft’s revenue grew 50 percent last year to 670.270 billion rubles. Operational...