OPEC, Russia and their allies, a group known as OPEC+, said they would ease record oil curbs from Aug. 1 citing a gradual recovery in demand as global lockdowns loosen up.
The group expects oil demand to climb by 7 million barrels per day (bpd) in 2021 after falling 9 million bpd this year.
Brent crude fell 27 cents, or 0.6%, to $43.52 a barrel by 0439 GMT, and U.S. West Texas Intermediate (WTI) crude dropped 32 cents, or 0.8%, to $40.88 a barrel.
Brent crude futures were up 19 cents, or 0.4%, at $43.09 a barrel as of 0343 GMT, and U.S. West Texas Intermediate (WTI) crude futures rose 17 cents, or 0.4%, to $40.46 a barrel.
U.S. West Texas Intermediate (WTI) crude futures slid 96 cents, or 2.39%, to $39.14 a barrel by 0443 GMT, while Brent crude futures fell 88 cents, or 2.06% to $41.84.
Saudi Arabia often burns more oil - estimated at about 550,000 barrels per day (bpd) - during the hot summer months for power generation.
This summer the demand for oil burning is set to rise more than last year due to COVID-19 movement restrictions which have forced millions of people to stay home.
Ukraine exported 588,200 tonnes of the commodity in June, the consultancy said in a report.
APK-Inform has forecast Ukraine will produce 6.7 million tonnes of sunoil in the 2019/20 season and may increase output to nearly 6.9 million tonnes in 2020/21 .
Brent crude oil, a global benchmark for Russia's main export, was up 1.1% at $42.82 a barrel.
It's all about COVID-19 - both fears and hopes," said BCS Global Markets, noting that Brent was susceptible to the mix of positive and negative headlines.
The increase in production will take a long time due to the significant damage to reservoirs and infrastructure caused by the illegal blockade imposed on January 17.
Our infrastructure has suffered lasting damage, and our focus now must be on maintenance and securing a budget for the work to be done,
NOC said in a statement on its website that production would be cut in half by 2022 "in the absence of an immediate restart of oil production.
The bank said it had allocated 1.2 billion dinars to NOC as "an exceptional budget" item, as well as $1.55 billion to cover fuel subsidies and expenses.
The cuts are due to taper to 7.7 million bpd until December although a final decision has yet to be taken. Key OPEC+ ministers hold talks next week.
ADNOC has notified its customers of its plans to cut crude oil nominations for August by 5% for all grades in line with OPEC+ pact to reduce oil supplies.
The benchmark palm oil contract for September delivery on the Bursa Malaysia Derivatives Exchange settled down 32 ringgit, or 1.34%, at 2,359 ringgit a tonne.
Lower crude oil makes palm a less attractive option for biodiesel feedstock.