Worker checks valve of oil pipe at oil field owned by Bashneft company near Nikolo-Berezovka

Worker checks valve of oil pipe at oil field owned by Bashneft company near Nikolo-Berezovka

A worker checks the valve of an oil pipe at an oil field owned by Russian state-owned oil producer Bashneft near the village of Nikolo-Berezovka, northwest of Ufa, Bashkortostan, Russia, January 28, 2015. REUTERS/Sergei Karpukhin/File Photo

December 15, 2016 12:34 AM (UTC+8)