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August 31, 2021

Equinor begins production from third stage of offshore Troll field

The Troll phase 3 project is estimated to have recoverable reserves of 347 billion cubic metres of gas.

By Archana Rani

Equinor has commenced natural gas production from the third phase of the Troll field in the Norwegian North Sea.

The Troll phase 3 project involved the development of eight wells, a new pipeline and umbilical connecting the templates to the Troll A platform, in addition to a new gas processing module on the platform.

Estimated to cost $920.8m (Nkr8bn), the phase 3 project is expected to extend the production lifetime of Troll A platform beyond 2050.

Equinor Norway exploration and production executive vice-president said: “Troll phase 3 will extend the life of Troll A and the Kollsnes processing plant beyond 2050, and the plateau period by 5-7 years.

“This will help secure jobs offshore, at Sandsli and at Kollsnes for both Equinor and its suppliers for several decades into the future.”

Equinor anticipates the Troll phase 3 project to have a break-even price of below $10 and CO₂ emissions of less than 0.1kg per barrel oil equivalent.

According to the estimates, the Troll phase 3 has recoverable volumes of 347 billion cubic metres of gas.

Equinor projects, drilling and procurement executive vice-president Arne Sigve Nylund said: “Troll phase 3 is one of the most profitable projects throughout Equinor’s entire history, while at the same time featuring production with record-low CO₂ emissions.

“This is thanks to large gas reserves and a development solution mostly based on existing infrastructure, such as pipelines, the processing plant at Kollsnes and, not least, the Troll A platform which receives power from shore.”

The latest development’s annual revenue for the Norwegian government is expected to average more than $1.9bn (Nkr17bn), Equinor said.

Troll delivers around 8% of the European Union’s gas consumption. Equinor operates the field with a 30.58% stake.

Other partners include state energy firm Petoro (56%), Royal Dutch Shell (8.10%), TotalEnergies (3.69%) and ConocoPhillips (1.62%).

Said to be Norway’s largest gas producer, the Troll field development aims to recover nearly 65% of the remaining gas reserves, even after production of more than 20 years.

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