Novak said the cost of shale oil production - between $45 and $60 per barrel - is seen as a benchmark for oil prices. He expects prices to be between $50 and $60 per barrel on average this year - in line with Russia's budget forecasts.

The two PMs were reacting to a preliminary agreement between Russian giant Gazprom and Western energy concerns including BASF, E.ON, ENGIE, OMV and Shell on doubling the transport capacity of Nord Stream in early September.

Top-flight Western firms such as Shell, E.On, BASF, and Engie (formerly GDF Suez) have banded together with Russia’s Gazprom to double the capacity of Nord Stream, with hopes it will be operational by late 2019.

Iran has projected average oil prices at $42 to $50 per barrel in a draft budget bill for the year to March 2017, a government spokesman was quoted as saying on Monday, expecting crude to stay in the current trading range.

Britain’s oil and gas platform builders are facing their worst downturn in orders for 25 years, threatening thousands of jobs across the UK.

U.S. Rig Count is down 16 rigs from last week to 848, with oil rigs down 10 to 652, gas rigs down 6 to 196, and miscellaneous rigs unchanged at 0.

OAO Rosneft will sell a stake in one of its largest oil-producing projects to ONGC Videsh Ltd., the overseas-investment arm of India’s biggest explorer, for $1.27 billion, people familiar with the plan said.

With U.S. crude oil prices 47% lower in first-half 2015 compared to first-half 2014, U.S. onshore companies experienced a significant reduction in cash flow from operations. Most companies responded by reducing capital expenditures.

LNG imports by 10 nations in the region that receive the tanker-delivered fuel dropped 3.4% from a year earlier in August, after reaching a two-year high in March, according to data from Genscape. Russian pipeline supplies soared about 20% from a year earlier in August, remaining at the highest level this year, tracking declining crude prices, according to data from Gazprom, the world’s biggest gas producer.

Russia is overhauling its approach to crafting the budget next year to safeguard reserves, highlighting the challenges it faces in steering the recession-hit economy through a downturn in oil prices.

In the first half of 2015, Saudi Arabia exported on average 4.4 million barrels per day (b/d) of crude oil to seven major trading partners in Asia, making up more than half of Saudi Arabia's total crude oil exports over that period. Even as global crude oil prices fell in 2014 and 2015, Saudi Arabia increased production and kept its export levels high, enabling it to maintain its market share in these countries. However, long-term trends within Saudi Arabia's energy sector may reduce its global crude oil market share.

Some of the largest U.S. shale oil producers have already begun slashing 2016 budgets, with some planning double-digit reductions starting next January, the latest sign low crude prices are forcing a radical adjustment in the industry.

Together, these deals mean that Europe’s big energy companies want to return to business as usual with Russia, despite the continuing conflict in Ukraine and the EU’s continuing sanctions on Russia.

Britain's North Sea oil and gas sector has shed more than 5,000 jobs since late last year, the country's new Oil and Gas Authority said on Monday, putting an official figure on job losses resulting from a year-long decline in oil prices.

Energy companies have been hurt by the swoon in crude prices this year, but Canadian Oil Sands is among the worst performing. The company’s stock has lost almost 40% of its value so far this year, compared with a 22% decline in the Toronto Stock Exchange energy index.