The cuts came amid a cold spell in Russia, and in its oil production heartland of Western Siberia in particular, Reuters reported.
Russian oil pipeline monopoly Transneft said it had resumed oil loadings from the Black Sea port of Novorossiisk on on the morning of Dec. 30, after a storm.
Russia's Gazprom has produced over 419 billion cubic meters of natural gas in 2016, CEO Alexei Miller said in a statement on Dec. 29.
Rosneft said the number of drilling rigs will increase by 19% following the deal, Reuters reported.
Moscow is also building a road and rail bridge to the peninsula, and an electricity link was also completed, Reuters reported.
No agreement has been reached to date, the press release said, and any potential transaction requires regulatory approvals and other conditions including definitive documentation.
Market players are concerned that the change of a top manager in charge of oil supplies might result in Lukoil supplying less oil to the domestic market, Reuters reported.
Russia as well as other non-OPEC and OPEC producers have agreed to slash output by almost 1.8 million barrels per day to fight global oversupply.
Russian energy company Gazprom and Austrian oil and gas group OMV reached an outline deal on Dec. 14 to swap a 38.5% stake in OMV’s Norwegian unit for a 25% stake in a section of Gazprom’s Urengoy gas field.
Rosneft had been under pressure to secure a sale of the 19.5% stake to help replenish state coffers, hit by an economic slowdown driven by weak oil prices and exacerbated by sanctions.