Vienna, April 8 (Inditop) The price for oil produced by the Organisation of the Petroleum Exporting Countries (OPEC) stayed above the $50 mark Tuesday, but still fell by nearly $1, the oil cartel said Wednesday.

One barrel (159 litres) of OPEC crude stood at $50.96 Tuesday, $0.94 less than on the previous day.

The Vienna-based cartel calculates a basket price based on 12 brands produced by its members.