The world oil prices have started to drop due to a considerable increase in the US commercial oil reserves, reported the Bloomberg financial data and media company.

Accordingly, the December Futures’ Brent Crude Oil has reduced by 0.48 percent and reached $47.21 per barrel, at the London ICE Futures stock exchange,   

And the December Futures’ Light Sweet Crude Oil (WTI) has gone down by 1.02 percent and made up $43.76 per barrel, at the New York Mercantile Exchange (NYMEX).