Nord Stream 1 and 2 have sprung a number of leaks simultaneously, releasing gas into the environment.
Gas companies have stepped up to the plate in recent months to help the UK cut its dependence on imports.
Roman Abramovich is said to be suspected to be part of an organised crime group which cheated the Russian government out of a $2.7 billion oil deal.
The UK has imposed sanctions on the chief executives of Russian energy giants Rosneft and Gazprom.
There is general consensus amongst analysts that oil giant BP will face an uphill struggle to find a buyer for its stake in Rosneft.
The Kremlin may have succeeded in ending its oil war with Saudi Arabia, yet the pain of crude’s crash is only just starting to hit Russia’s budget.
Russian oil output rose to a post-Soviet record last month as producers take advantage of the weak ruble to push ahead with drilling. The nation’s production of crude and condensate advanced to 10.74 million barrels a day, 1 percent more than a year earlier and topping a record set in June, according to data from the Energy Ministry’s CDU-TEK unit.