Vienna- The price for crude oil produced by the Organization of the Petroleum Exporting Countries (OPEC) rose slightly on Thursday, but stayed below 134 dollars, a statement by OPEC said Friday.

One barrel (159 litres) of OPEC-produced crude stood at 133.68 dollars on Thursday, 0.52 dollars higher than 133.16 dollars recorded on the previous day.

OPEC calculates an average basket price based on 13 important brands produced by cartel members. (dpa)