The oil and gas ministry says Libya's crude output on 11 December was 220,095 barrels, while gas production stood at 1,993 million cubic feet.

Officials from the National Oil Corporation (NOC) met with the board of its Zueitina Oil Company subsidiary to review the firm’s activities for the current year and its plans for 2014.

Prime minister Ali Zeidan says he expects tribal leaders to fulfil promises to reopen ports in the east, but refuses to recognise Jadhran’s group.

The head of the oil workers union, Loay Dawood, says the body is working to reopen oil terminals on 15 December, contradicting earlier statements made by his deputy.

Idris Abukhamada, the head of the Petroleum Facilities Guard (PFG), has reiterated a previous announcement that oil ports in eastern and central Libya will reopen on 15 December.

A recent shareholders' meeting of Waha Oil, one of Libya's largest producers, reiterated plans to increase output at its NC-98 and North Gialo fields.

The oil and gas ministry says Libya's crude oil output on 9 December was 218,547 barrels, whilst gas production stood at 1,796 million cubic feet.

Ibrahim Jadhran, the head of a group that seized control of several oil export terminals in July, says the blockade will be lifted on 15 December and waters down demands to the government.

The National Oil Corporation (NOC) has tried to reassure residents that there is no shortage of fuel in greater Tripoli, saying that gasoline and diesel supplies can meet local demand “for a long period”.

Groups thought to be behind oil port closures in central and eastern Libya have said that three committees, based on the historical regions of Tripolitania, Cyrenaica and Fezzan, should be setup to administer oil sales.

Speaking to the Libya Monitor, the National Oil Corporation (NOC) said it hoped that Amazigh protesters would end their blockade of a gas pipeline in western Libya, but no agreement had yet been made.

Workers at the Jalu field, run by Waha Oil, have issued a statement demanding a restructuring of the Petroleum Facilities Guard (PFG), saying it must carry out its duty to protect oil installations.

Prime minister Ali Zeidan says the government has not directly negotiated with groups controlling oil ports, with a leader of one such group accusing him of "double standards".

Private truck drivers at the Zawiya refinery, a crucial source of gasoline for western Libya, are said to be on strike after a driver was kidnapped earlier in the week.

Deputy oil and gas minister Omar Shakmak says Libya's crude output is currently 224,000 barrels per day (bpd), with 130,000 bpd exported.