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

  • A successful two well infill drilling programme was completed in December 2017, adding approximately 5,000 bbl per day to net production from Block 12W and 4.7 to 8.8 MMstb of oil recovery per well.
  • In 2017, a series of well intervention activities were also completed. These include the addition of new perforations to both existing reservoirs intervals and intervals previously not on production. These activities have added 1,000 to 1,500 bbl per day.

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.