"Oil reserves in the Burgan field are much greater than what had been circulated," state-run news agency KUNA reported, citing Sheikh Ahmad al-Fahad al-Sabah, the Gulf Arab state's deputy prime minister for economic affairs.

Sheikh Ahmad gave no details on how much oil the field could hold.

The greater Burgan area, which encompasses the Burgan, Magwa and Ahmadi fields, was previously estimated to hold around 70 billion barrels, or around 70% of Kuwait's 101.5