Gadiv Petrochemicals is investigating the damage from a fire that broke out last week, the company said in a statement.
The fire was in one of the xylene furnaces at the plant, which lies in its 180,000 bpd refining facility in the Haifa Bay area of northern Israel.
The company said early indications show the fire apparently started as a result of a puncture in a xylene tube in the combustion section of the furnace, which produces aromatics and solvents.
The fire was quickly extinguished by company employees after isolating the oven.
No injuries have been reported.
Gadiv Petrochemicals Industries Ltd. is a wholly owned subsidiary of Oil Refineries Ltd.