The report by Netherland, Sewell & Associates estimated the field to contain a best estimate unrisked contingent resource of nearly 1.3 trillion cubic feet of gas and 12.7 million barrels of condensate.
The report also estimated the offshore field to hold a unrisked prospective resources of 494.4 billion cubic feet of gas and 3.4 million barrels of condensate.
Noble and its partners hit gas in the Karish-1 well on the Alon C licence earlier this year, intersecting 184 feet of net gas pay in high-quality lower Miocene sands.