This article is about the Israeli company. For the general term, see Oil refinery.Oil Refineries Ltd. (ORL or BAZAN, Hebrew: בז"ן – בתי זיקוק לנפט בע"מ‎), is an oil refining company located in Haifa Bay, Israel. It operates the largest oil refinery in the country. ORL has a total oil refining capacity of approximately 9.8 million tons of crude oil per year with a Nelson complexity indexof 9.0.