Rosneft begins drilling offshore Vietnam

Offshore staff

MOSCOW Rosneft Vietnam BV has started drilling exploration well PLDD-1X at block 06.1 located in the Nam Con Son basin offshore Vietnam.

The Russian state-owned company said this operation marked the first time it is operating a drilling project in international waters.

The design depth of the well will be around 1,380 m (4,527 ft), while the sea depth in the area is about 162 m (531 ft). The expected recoverable reserves of natural gas in the PLDD geological structure are estimated at 12.6 bcm, and 0.6 metric tons (0.66 tons) of gas condensate which can be developed by subsea completion and tied-back to the existing Lan Tay platform operated by Rosneft in block 6.1.

The HAKURYU-5 drilling rig, owned and operated by Japan Drilling Co. Ltd., is being used, following an agreement with Rosneft signed at the Eastern Economic Forum-2015.

Following PLDD-1X, it will move to drill another exploration well in nearby block 05.3/11.

A broadband 3D seismic of block 6.1 is also being planned, and is expected to happen later this year. The targets are to enhance ongoing production recovery and explore potential in deeper prospects.

As operator, Rosneft Vietnam B.V. owns 35% of block 06.1. It partners with ONGC and PetroVietnam. The project is based on the production-sharing contract which comprises two gas condensate fields – Lan Tay and Lan Do.

Adjacent to 6.1, block 05.3/11 is wholly owned and operated by Rosneft.


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