OREANDA-NEWS. February 14, 2008. As previously announced, due to the maintenance work, the function of a cat cracker producing high-octane gasoline and liquefied gas in Baku Oil Refinery named after Heydar Aliyev was suspended on January 18. During the period of repair, new and modern plant equipments were installed to secure the effective work of the cat cracker. The repair of the cat cracker was over on February 4 and its operation has been stable up today.