"This is a consultative meeting... We will consult with everyone else, we will hear the views, we will hear the secretariat of Opec and also hear from consumers," Saudi Energy Minister Khalid al-Falih told reporters.

Iranian Oil Minister Bijan Zanganeh said: "It is not the time for decision-making." Referring to the next formal Opec meeting in Vienna on 30 November, he added: "We will try to reach agreement for November."

Opec