The volume of proven gas and condensate resources held in Noble Energy’s producing Tamar field off Israel has increased significantly, according to minority partner Delek Group.

The Israel-listed company said proven reserves have increased by 15% from 7 trillion cubic feet of gas and 9.1 million barrels of condensate to 8 Tcf and 10.4 million barrels, respectively.

Citing a report commissioned from Netherland, Sewell & Associates, Delek said proven plus probable reserves are up 13% from 10 Tcf and 13 million barrels previously to 11.2