The Calgary-based pipeline operator filed papers late Friday seeking arbitration under the North American Free Trade Agreement, arguing that TransCanada had every reason to believe it would win approval to build Keystone XL.

“We’re looking to raise about $40 to $50 billion,” Kachikwu said in the Bloomberg interview. “Going to places like China, which have a huge capacity to put money in the oil sector, is very helpful.”

Oil output will reach 69 million tonnes of oil equivalent in 2016, against 67 million tonnes last year, while gas production will rise to 132.2 billion cubic meters (bcm) from 128.3 bcm in 2015 and 130.9 bcm in 2014, a Sonatrach report showed.

U.S. Rig Count is down 3 rigs from last week to 421, with oil rigs down 7 to 330, gas rigs up 4 to 90, and miscellaneous rigs unchanged at 1. Canadian Rig Count is up 7 rigs from last week to 76, with oil rigs up 8 to 36, gas rigs down 1 to 39, and miscellaneous rigs unchanged at 1.

Brent crude futures were down 15 cents at $48.26 a barrel by 0238 GMT on Monday, after settling down $2.50, or 4.9 percent, at $48.41 on Friday. U.S. crude was down 25 cents at $47.39 a barrel, after closing down $2.47, or 4.9 percent, on Friday.

U.S. crude was down $2.77 at $47.34 a barrel at around 0314 GMT. Brent crude was down $2.75 at $48.16 a barrel.

"Such huge outflows raise a question as to whether upstream business will generate enough cash, and where capex will figure in the priority order of companies," said Andrew Slaughter, executive director, Deloitte Center for Energy Solutions. "When we annualized operating cash flows of all the three company sets in 2015 for the next five years, assuming a $55/bbl average oil price, we see a total funding gap of up to $2 trillion from operations."

Global upstream development spending from 2015 to 2020 has declined 22%, or $740 billion, since fourth-quarter 2014. Including cuts to conventional exploration investment, the figure increases to just more than $1 trillion.

"We have seen a large amount of short positions being closed while long positions have been opened," Novak said in reference to speculative bets - shorts - in the market that prices will fall, and the opposite - longs - that they will rise.

"We are glad that we've managed to maintain our positions on traditional markets, primarily in Europe," Sechin said pointing out to recent agreements with PKN Orlen to increase deliveries to Poland and the Czech Republic.