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Equinor and partners begin production from Snefrid Nord gas field

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Oilfield Technology,


On 1 September Equinor and its partners started production from the Snefrid Nord gas field, the first discovery tied back to the Norwegian Sea Aasta Hansteen field. It also sets a new depth record on the Norwegian continental shelf (NCS).

Recoverable resources for Snefrid Nord are estimated at 4.4 billion m3 of gas (27.5 million boe) and some condensate. This will extend plateau production from Aasta Hansteen by almost a year. On plateau Snefrid Nord will produce 4 million m3/d of gas.

Aasta Hansteen came on stream in December 2018. Together with the Polarled pipeline the field opened a new region in the Norwegian Sea for gas export to Europe. Less than a year later the first discovery is tied back to the field.

“Snefrid Nord has been delivered without any serious injuries, ahead of schedule and within the cost estimate,” says Geir Tungesvik, senior vice president for project development in Equinor.

It cost approximately NOK1.2 billion to develop Snefrid Nord. Originally the field was to start production at the end of 2019.

Snefrid Nord was discovered in 2015 and in 2017 the field development was sanctioned. The concept includes one well in a subsea template tied back to the Aasta Hansteen field by a pipeline and an umbilical.

The template is installed at a water depth of 1309 m, making Snefrid Nord the deepest field development on the NCS.

“To a large extent the development has been performed in synergy with Aasta Hansteen. As the two projects have used several of the same suppliers, we have been able to combine campaigns and follow-up teams in Equinor and reuse technical solutions”, says Tungesvik.

The template and the suction anchor have been delivered by Aker Solutions in Sandnessjøen, which also delivered the Aasta Hansteen template. The Transocean Spitsbergen rig drilled the well while drilling the Aasta Hansteen wells, and Subsea 7 installed the template in the same campaign as the Aasta Hansteen risers. Pipeline end termination (PLET) for Snefrid Nord has been delivered by Momek in Mo i Rana.

“We are pleased to see that the Snefrid Nord project has led to ripple effects and activity on the Helgeland coast. This is important to us,” said Siri Espedal Kindem, senior vice president for operations north.

Snefrid Nord is the first field to be tied back to Aasta Hansteen. With the infrastructure in place, more satellites may be developed in the area.

“There are several interesting prospects and discoveries around us. The new infrastructure makes it possible to develop them and more attractive to explore around the platform and along the pipeline. There is high exploration activity and several discoveries already in the area,” said Kindem, and adds that she is confident that we can develop the deep-water pioneer in the Norwegian Sea into something much more than the fields currently onstream.

Read the article online at: https://www.oilfieldtechnology.com/offshore-and-subsea/05092019/equinor-and-partners-begin-production-from-snefrid-nord-gas-field/

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