Eni said on Monday that Zohr is the largest known gas field in the Mediterranean.
Zohr's discovery potentially jeopardises lucrative deals being negotiated between Israeli companies and their Western counterparts operating in Egypt, which may now no longer need to import.
Partners Noble Energy of the US and Delek Group of Israel, who in recent years discovered two sizeable fields in Israeli waters, have been negotiating long-term contracts to sell gas to customers in Egypt, but the deals have been held up by regulatory uncertainty in Israel.
"The
