“We expect global spending in the oil and gas sector will reach its nadir in 2016 , returning to growth in 2017,” Christopher Haines, BMI’s head of oil and gas research, said in the report. “For now, we see stronger growth in capital expenditure in 2018 , as better forecast oil prices are building confidence behind spending outlooks.”

U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were trading at $45.81 per barrel at 0301 GMT (11:01 p.m. EDT), up 47 cents, or 1 percent, from their previous close. The contract had already gained as much as 3 percent the day before. International benchmark Brent crude futures LCOc1 were also up, gaining 48 cents, or 1 percent, from their last close to $47.31 per barrel.

U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were trading at $45.81 per barrel at 0301 GMT (11:01 p.m. EDT), up 47 cents, or 1 percent, from their previous close. The contract had already gained as much as 3 percent the day before. International benchmark Brent crude futures LCOc1 were also up, gaining 48 cents, or 1 percent, from their last close to $47.31 per barrel.

U.S. West Texas Intermediate (WTI) crude futures were up 1.8 percent, or 81 cents, at $44.86 a barrel at 0403 GMT. The October contract expired yesterday at $43.44 a barrel and the front-month has now rolled over to November delivery. International Brent crude futures were at $46.47 per barrel, up 59 cents, or 1.3 percent, from their last close.

Brent crude futures were at $46.54 per barrel at 0645 GMT (02:45 a.m. EDT), up 77 cents, or 1.7 percent, from their previous settlement. U.S. crude was up 78 cents, or 1.8 percent, at $43.81 a barrel.

Prices may jump more than 35 percent from current levels as they start to reflect the risk of a supply squeeze, according to Citigroup Inc. and trader Gunvor Group.

President Hassan Rouhani on Saturday called for Iran-Bolivia joint efforts for stabilization of oil market, fair prices and fair quota, especially efforts in the upcoming session of oil prices in Algeria.

“We see 2017-2020 as still having the potential for much higher prices. After 2020, there is a high risk that electric vehicle penetration will change the oil market forever.”

On the New York Mercantile Exchange, light, sweet crude futures traded at $43.65 a barrel at 0301 GMT, down 26 cents in the Globex electronic session. Brent crude on London's ICE Futures exchange fell 25 cents to $46.34 a barrel.

On the New York Mercantile Exchange, light, sweet crude futures for delivery in October traded at $43.72 a barrel at 0145 GMT, up $0.14 in the Globex electronic session. November Brent crude on London's ICE Futures exchange rose $0.27 to $46.12 a barrel.