The Koi 2 appraisal was drilled by Bohai-1 jack-up to atotal depth of 1428 metres in water depths of 32 metres last month.

Post-drill evaluationestimates suggest the Koi structure holds estimated recoverable resources of 12million barrels of oil, according to licence partner Singapore-listed independentRH Petrogas.

RH Petrogaschief executive Francis Chang said the find “opens up several analogous opportunities inthe offshore area of the Island PSC”.

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