“We are interested to come back to Iran when the sanctions are lifted and if the contracts are interesting,” Stephane Michel, Total’s head of exploration and production in the Middle East said at the conference. “We have worked in this country for a long time, so we know specific fields on which we’ve worked.”

India's production will tail off due to limited resources and relatively high costs for new projects, leading to more imports as economic growth picks up speed.

In its Energy Demand Forecast, the institute said the country's jet fuel demand is expected to increase 5.5% on year to 36.2 million barrels next year, compared with 34.4 million barrels estimated for this year.

"Indonesia is an important country for Saudi Arabia, a rising global economy, we would like to be a part of the growth of Indonesia," Saudi Aramco CEO Amin H Al-Nasser said at the signing of the initial agreement to upgrade the Cilacap refinery in Indonesia's Central Java province.

"We highly value our interaction within consultations on the situation in the oil market between OPEC and leading non-OPEC producers," Novak said.

Britain's oil and gas sector has lost over 5,000 jobs since late 2014 as a slump in oil prices has severely squeezed oil companies' budgets and led to project cancellations.

The government hopes international companies will commit at least $100 billion that Iran says it needs to boost oil-production capacity by more than 1 million barrels a day.

Rosneft received advance payments for oil supplies worth more than $15bn in the third quarter — the first large-scale financing that the state-controlled Russian group has secured since western sanctions were imposed upon it.

U.S. Rig Count is down 13 rigs from last week to 744, with oil rigs down 9 to 555, and gas rigs down 4 to 189.

Oil, natural gas and coal producers are risking $2.2 trillion by investing in projects for which there will be no demand if the world meets a United Nations target of limiting the rise in temperature to less than 2 degrees Celsius, a non-profit think tank said.