Officials at the field in the southern oil hub of Basra said operations were running normally.
Saad Sherida al-Kaabi said "We are delighted to sign this concession agreement, which will ensure the continued development and operation of the Al-Bunduq oil field for many years to come."
Libya's giant El Sharara oilfield has been shut down because a landlord closed a valve in protest against pollution from a pipeline crossing his land, he told Reuters.
Iraq plans to increase production at its giant Majnoon oilfield to 450,000 barrels per day (bpd) in three years, from 240,000 bpd now, an Iraqi oil executive said on Thursday.
The Syrian army and its allies recaptured an oilfield from Islamic State near the eastern city of Deir al-Zor on Saturday in further advances against the militants, state TV reported.
Four bombs went off on Saturday near a minor pipeline from an oilfield close to the northern Iraqi city of Kirkuk, security and oil industry sources said.