North Sea Duva enters final drilling phases

April 22, 2021
The semisubmersible Deepsea Yantai has started drilling four production wells for Neptune Energy’s Duva field development in the Norwegian North Sea.

Offshore staff

LONDON – The semisubmersible Deepsea Yantai has started drilling four production wells for Neptune Energy’s Duva field development in the Norwegian North Sea.

Odfjell Drilling is operating the rig. All four wells had been pre-drilled and cased off at a depth of 2,500 m (8,202 ft) prior to the start of this 110-day campaign.

Three Duva oil producers and one gas producer will be tied back via subsea facilities to Neptune’s Gjøa field semisubmersible platform. All subsea works were completed in 2020, with the four subsea trees installed last month.

The Deepsea Yantai will drill the reservoir sections, install the lower completions and perform well clean-up operations.

Erik Oppedal, Neptune’s director of Projects & Engineering in Norway, said: “This is the final phase of the Duva development project, and we are currently working to accelerate the start-up date.”

Duva is due to come onstream this summer and will add around 25,000 boe/d to the platform’s current throughput.

The field is 14 km (8.7 mi) northeast of the Gjøa field in a water depth of 360 m (1,181 ft).

Other partners in surrounding license PL 636 are: Idemitsu Petroleum Norge, PGNiG Upstream Norway, and Sval Energi.

04/22/2021