Crude oil prices in the international market plummeted Friday as traders digested the latest OPEC signal that crude production would not be cut despite global over supply and falling prices. US benchmark West Texas Intermediate for September delivery dived almost 3 per cent, shedding 1.40 US Dollar to close at 47.52 US Dollars a barrel on the New York Mercantile Exchange. Brent North Sea crude also dropped 1.10 US Dollars to settle at 52.21 US Dollars a barrel in London trade. Both contracts had tumbled on Thursday, snapping two consecutive days of gains.