The Norwegian Offshore Directorate has granted consent for start-up of a tie-in from the Troll B platform to the Kvitebjørn gas export line.
This will help reduce the decline in gas production in upcoming years.
A new gas export solution will facilitate increased gas export from Troll B, as gas injection is no longer needed here. It also provides additional flexibility as the gas can be exported via both the Troll A and Kvitebjørn gas pipelines.
The consent applies to start-up of gas export from the Troll B platform to the Kvitebjørn gas line to Kollsnes. The expected start date is in the fourth quarter of 2025.
'The new gas export solution with tie-in to the Kvitebjørn gas pipeline will contribute to reducing the decline in gas production in the coming years,' says Niels Erik Hald, assistant director Offshore South in the Norwegian Offshore Directorate.
'The Norwegian Offshore Directorate is very pleased that the previous gas injection solution for improved oil recovery will be re-used. The fact that it’s being converted into a gas export solution will contribute to further value creation,' he adds.
The Troll field is located at a water depth of 300-330 metres, 60 kilometres southwest of Sognefjorden in the North Sea. The field has two primary structures: Troll East and Troll West. The gas from Troll B (Troll East) was previously exported via the Troll A facility to Kollsnes, and some of the gas was injected.
The gas injection solution has now been converted into an export solution and tied into the Kvitebjørn gas pipeline located about 2.45 kilometres away. This entails that Troll B will have the flexibility going forward to export via both the Troll A and Kvitebjørn gas pipelines.
Investments to establish the new gas export solution total around NOK 1.16 billion.
Source: Norwegian Offshore Directorate
