The decline in world oil prices is associated with investors' uncertainty on possible results of the meeting of OPEC member and non-member countries.
As of 20:40 MSK, the price for January futures of Brent crude oil dropped 1.06%, reaching $48.38 per barrel.
The price for January futures of WTI oil dropped by 1.80% to $47.37 per barrel, RIA Novosti reports.