The Guardian | Russia's Rosneft charged over pipeline leak that caused oil to come out of taps The Guardian The leak occurred last week just outside Nefteyugansk, a major oil town near the Ob river in the Khanty-Mansiysk region of Siberia, and quickly contaminated several hectares of water in the area, which has been suffering from flooding. The leak had ... Crude oil leaks into water supply after pipeline rupture in Siberia |