In January 2006 the Heydar Aliyev Oil Refinery Plant, former Azerneftyanajag, produced 15,380 tons of butane-butylene fraction, the State Oil Company of Azerbaijan (SOCAR) told Trend. It exceeded the forecast by 10,580 tons.
In December 2005 the production comprised 12,810 tons, 12.4% (1,410 tons) more than the forecast. From January to December the production made up 129,640 tons or 23.40 tons (22.1%) more than the forecast.
In 2005 the enterprise produced 3,020 tons of propane-propylene fraction, or 12,900 tons (-20.48%) less than the forecast. In 2004 the plant produced 5,070 tons of the product, or 2,050 tons more as compared 2005.