The Block 12W PSC is located in the Nam Con Son basin offshore Vietnam in water depths of approximately 95 metres and contains the Chim Sáo and Dua producing fields. Ophir has a 31.875% interest in the licence which is operated by Premier Oil.



Key highlights

  • As at 1/1/19 the block was certified to contain net 2P reserves of 10.5 MMMboe
  • Net production in 2018 was 8,700 boepd, buoyed by a series of successful well interventions
  • Further activity is planned in 2019 when net production is expected to average around 6,600 boepd
  • The fields were originally expected to produce until 2020 but are now expected to be on production until 2030.

Cumulative gross production to the year end 31 December 2017 was 54.8 MMstb(Chim Sáo: 51.6 MMstb, Dua: 3.1 MMstb) with sales gas of 32.8 Bcf. Gross average 2017 production was approximately 27,000 barrels of oil per day and 25 MMcf of associated gas per day.

As of 1 January 2018 the licence contained 2P net reserves (on a working interest basis) of 14.1 MMboe.