Addition compression slated for Troll gas field offshore Norway

By OGJ editors

Statoil and its partners in Troll natural gas field offshore Norway will invest 11 billion kroner for two new compressors on the Troll A platform, which has a concrete gravity-based substructure in 300 m of water.

Statoil said the compressors, scheduled to come on stream in 2015, will enable Troll A to produce 120 million cu m/day until 2018 and ensure a 30 billion cu m/year production until 2024.

The compressors form the final phase of the planned capacity expansion on Troll and will enable gas production from the field until 2063, Statoil said.

First production from the field, discovered in 1983, started in 1996 and the field in 2010 produced about 31 billion cu m of gas and 1 million tonnes of NGL.

Troll currently has a third of all gas capacity from offshore Norway and contains 48% of the remaining gas reserves offshore Norway, according to Statoil.

The planned work will allow for a tie-in of gas from Troll West once oil production at Troll West ends. A new land-based power supply cable to Troll A also will be laid.

Gas from Troll goes onshore to the Kollsnes processing plant before it is delivered to the rest of Europe.

Troll partners are operator Statoil 30.58%, Petoro AS 56%, A/S Norske Shell 8.1%, Total E&P Norge AS 3.69%, and ConocoPhillips Skandinavia AS 1.62%.

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