Ratio Petroleum is controlled by Ratio Oil, which holds interests in major domestic gas fields such as Leviathan and Tamar.

Delek has committed to acquire a 17.5% interest in Ratio Petroleum, while 20% will be left in the hands of Ratio Oil, 12% will be allocated to executives and service providers with the remaining 52.5% available to the public.

Ratio Petroleum operates acreage off Guyana, Malta, Ireland and the Philippines and aims to boost its exposure in Guyana and add acreage in Suriname.