Memorandum signed on Bazhenov field between Russia's second largest oil producer and the French giant.
Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.
Probe into gas blast at Achinsk refinery in the Krasnoyarsk region.
RusHydro, RosGeologiya and Transneft 'to rebase from Moscow to the Far East'.
'Where is the help? Will there be any help?' begged injured Alexey Veremev, 42, as he used cell phone to report air tragedy.
Mysterious 'lakes of black oily liquid' found near Nizhnevartovsk.
The Russian president pledges to open up exports of liquefied natural gas to meet Far East demand.
'Early stage' talks on a deal between Gazprom and BP to build an extension to the Nord Stream gas pipe enabling major Russian supplies to reach the UK.