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About Ratio  /  About Ratio

About Ratio

Ratio Oil Exploration (1992) Limited Partnership

Ratio Oil Exploration (1992) Limited Partnership is a leading energy partnership, based in Israel, focusing on exploration and production of hydrocarbons in the deep waters of the Eastern Mediterranean Sea.

Ratio was founded by the Landau and Rotlevy families along with Mr. Zvi Tsafriri and Mr. Eitan Aisenberg, Ratio’s chief geologist since its inception.

The partnership is traded on the Tel Aviv Stock Exchange (TASE- RTIL)

In 2010, Ratio, together with its partners (Delek Drilling, Avner and Noble Energy), discovered one of the world’s largest deep-water gas discoveries in the first decade of the 21st century - Leviathan. Ratio was the prospect generator of this prolific natural gas reservoir.


Ratio owns the following deep-water petroleum rights in Israel:


Leviathan North (15%)
Leviathan South (15%)


Eran (15%)
Royee  (70%)


Supervisor: Mr. Shimon Avnaim