The price for crude oil produced by the Organisation of the Petroleum Exporting Countries (OPEC) fell for the fourth day in a row to below $134 Wednesday, OPEC data showed Thursday.

One barrel (159 litres) of OPEC-produced crude stood at $133.16 Wednesday, a drop of $2.05 from $135.21 the previous day.

OPEC calculates an average basket price based on 13 important brands produced by cartel members