South Natuna Sea block B Extn / sector IV, likely completed, results n/a, COSL Boss JU. Tuna-2 may follow 10km NW. Medco (op), partner Prime Natuna.
Tuna 1 (Medco 75% op, Prime Natuna Energy 25%) South Natuna Block B PSC Extension, operations have likely completed, with results unreported.