Peereboom said the option was just one of many for the growing size of gas fields in the eastern Mediterranean.

He said total discoveries made to-date off Israel amount to 30 Tcf. The Cyprus A-1 well discovery made in December 2011 carries a gross mean estimate of 7 Tcf.

Pre-front-end engineering and design studies of the Leviathan development are already under way by French contractor Technip and similar work is understood to be going on for Cyprus.

At