Wintershall Dea to perform multiple North Sea field well interventions

Wintershall Dea Norge AS has been given consent by the Petroleum Safety Authority Norway (PSA) to use the Island Constructor mobile drilling unit for light well intervention on Dvalin, Maria, Nova, and Vega fields.

Dvalin is in the central part of the Norwegian Sea and consists of two separate structures, Dvalin East and Dvalin West. Dvalin East was proven in 2010 and is 15 km northwest of Heidrun field in 344 m of water. Dvalin West was proven in 2012 and is 3.5 km west of Dvalin East in 400 m of water. The development concept is a subsea template with four gas producers tied-back to the Heidrun platform. Production started in 2020.

Maria is on Haltenbanken in the Norwegian Sea, 25 km east of Kristin field in 300 m of water. The field is developed as a subsea tie-back with two templates. There are five producers and two water injectors on the field. Production started in 2017.

Nova is in the northern part of the North Sea, 17 km southwest of Gjøa field in 370 m of water. The planned development consists of two 4-slots subsea templates, one for oil production and one for water injection, each with three wells tied-back to the Gjøa platform. Production started in 2022.

Vega is in the northern part of the North Sea, 28 km west of Gjøa field in 370 m of water.  The field has been developed with three subsea templates with four slots, tied to the processing facility on the Gjøa field. Production started in 2010.

Wintershall Dea is operator of the fields.