Directors urged the authorities to accelerate structural reforms to boost growth and employment creation and facilitate income convergence with the EU. They highlighted the need to advance privatization and enhance the efficiency of the public sector, while removing bureaucratic impediments to doing business. Other priorities include further enhancing labor market flexibility to increase labor participation. Directors noted the importance of building political consensus to ensure broad support for the reforms.

Brent crude LCOc1 was down 48 cents a barrel at $50.13 as of 0856 GMT, having risen in the two previous sessions. U.S. crude CLc1 was down 48 cents to $49.40.

Brent crude futures were trading at $48.84 per barrel at 0422 GMT, up 26 cents from their last settlement. U.S. crude was up 35 cents at $48.20 a barrel.

Growth in Saudi Arabia's non-oil gross domestic product is expected to slow to 2.8 percent in 2016 from 3.4 percent in 2015, Saudi central bank governor Ahmed al-Kholifey told state television station Ekhbariya.

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.

BP’s energy outlook this year foresees a compound annual growth rate of gas demand at 1.8% until 2035. In the OECD, this growth results from the coal-to-gas transition in power generation. The US major ExxonMobil supports this view, forecasting gas will account for 30% of the power sector and will equal coal by 2040.

"We have such low production costs that we will always be able to cut the selling price by a dollar or two when it comes to fighting off a rival," said a senior source at Gazprom.

Supply and demand for oil are coming back into balance, and the response of shale producers to rising prices will help determine how high crude can go, Christof Ruehl, the global head of research at Abu Dhabi Investment Authority, said Wednesday in an interview in Dubai. Ruehl’s view that the re-balancing will take until at least the middle of 2017 contrasts with the more optimistic outlook of some industry leaders and analysts who foresee demand nearing supply by the end of this year.

With income falling, the 13 members of the Organization of the Petroleum Exporting Countries (OPEC) posted a combined current account deficit of $99.60 billion in 2015, compared with a surplus of $238.10 billion in 2014.

“The decline in prices is unlikely to lead to a significant reduction in production from existing producers because the high fixed costs of building the infrastructure have been paid and marginal production costs are relatively low,” said Ms Heath.

Brent crude futures were up 4 cents at $50.66 a barrel, after settling down 3 cents at $50.62 on Tuesday.