"Some producers, notably Saudi Arabia, (are) appearing to cut by more than required," the agency said.
Global benchmark Brent crude LCOc1 was up 66 cents at 56.29 a barrel by 0938 GMT, touching a session high of $56.39 a barrel shortly after the report`s publication. (Graphic: here%20supply%20and%20demand.jpg)
U.S. West Texas Intermediate (WTI) crude futures CLc1 traded up 56 cents at $56.56 a barrel.
The IEA, which advises industrial nations on energy policy, said that if current compliance levels are maintained, the global oil stocks overhang that has weighed on prices should fall by about 600,000 barrels per day (bpd) in the next six months.
Official OPEC compliance data is due to be released next week.
More about: