U.S. West Texas Intermediate (WTI) crude futures CLc1 were trading up 41 cents, or 0.8 percent, at $50.30 by 0852 GMT, near the three-month high of $50.50 it reached last Thursday. Brent crude futures LCOc1, the benchmark for oil prices outside the United States, were at $55.91 a barrel, up 29 cents, and also not far from the near five-month high of $55.99 touched on Thursday.

“The principal risk regarding Russian and Chinese activities in Venezuela in the near term is that they will exploit the unfolding crisis, including the effect of US sanctions, to deepen their control over Venezuela’s resources, and their [financial] leverage over the country as an anti-US political and military partner,” observed R. Evan Ellis, a senior associate in the Center for Strategic and International Studies’ Americas Program.

Gazprom Export LLC and the Croatian Prvo plinarsko društvo d.o.o. signed a long-term contract on natural gas supplies for the period from 1 October 2017 to 31 December 2027. The annual supply volume within the contract amounts to 1 billion cubic meters, and 0.25 bcm is to be delivered in the fourth quarter of 2017.

On Thursday, the administration extended certain sanctions on Iran's oil and banking sectors that have been suspended since the nuclear deal took place in January 2016.

BP has agreed with Bridas Corporation to form a new integrated energy company by combining their interests in the oil and gas producer Pan American Energy and the refiner and marketer Axion Energy in a cash-free transaction. The new company, Pan American Energy Group, will be the largest privately-owned integrated energy company operating in Argentina.

Industrial production declined 0.9 percent in August following six consecutive monthly gains. Hurricane Harvey, which hit the Gulf Coast of Texas in late August, is estimated to have reduced the rate of change in total output by roughly 3/4 percentage point. The index for manufacturing decreased 0.3 percent; storm-related effects appear to have reduced the rate of change in factory output in August about 3/4 percentage point. The manufacturing industries with the largest estimated storm-related effects were petroleum refining, organic chemicals, and plastics materials and resins.

U.S. Rig Count is up 430 rigs from last year's count of 506, with oil rigs up 333, gas rigs up 97, and miscellaneous rigs unchanged at 1. Canada Rig Count is up 80 rigs from last year's count of 132, with oil rigs up 37, gas rigs up 44, and miscellaneous rigs down 1.

U.S. West Texas Intermediate crude CLc1 was down 21 cents, or 0.4 percent, at $49.68 a barrel at 0302 GMT. It briefly broke above $50 on Thursday, hitting a four-month high, and finished 1.2 percent higher at $49.89, its highest close since July 31. Brent crude LCOc1 futures were down 29 cents, or 0.5 percent, at $55.18 a barrel. They gained 0.6 percent to settle at $55.47 the previous session, the highest close since April 13.

Oil prices are expected to hold between $50 and $60 a barrel as bloated global stocks fall after a deal between OPEC and other producers to trim output, BP Chief Executive Bob Dudley said on Thursday.

The U.S. Energy Information Administration projects that world energy consumption will grow by 28% between 2015 and 2040. Most of this growth is expected to come from countries that are not in the Organization for Economic Cooperation and Development (OECD), and especially in countries where demand is driven by strong economic growth, particularly in Asia. Non-OECD Asia (which includes China and India) accounts for more than 60% of the world's total increase in energy consumption from 2015 through 2040.