The shallow-water Cadlao field, located about 50 kilo­metres off north-west Palawan had already produced about 11 million barrels of oil when it was shut in 19 years ago.

The Philippines Department of Energy (DoE) last year approved a 15-year extension for SC 6 to enable Cadlao to be exploited anew.

There is potential for the field to act as a future hub for several nearby discoveries.

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