Equinor and its Partners to Invest $1 Billion to Expand Natural Gas Production in Norway

Equinor and the Troll Field partners have decided to invest just over USD 1 billion (NOK 12 billion) to expand the gas infrastructure in the Troll West gas province. This will accelerate natural gas production from the reservoir and thus maintain the current high gas export levels from the Troll and Kollsnes value chains leading up to 2030. The Troll Field is located in the northern part of the North Sea, about 65 kilometers west of Kollsnes, near Bergen, Norway.

The Troll A platform in the North Sea: Image source: Equinor

Stage 2 of the Troll Phase 3 project includes eight new wells from two new templates with subsea controls extended from existing templates. A new gas flowline will be laid as a tie-back to the Troll A platform, and the project will also perform modification work on Troll A. The first wells are scheduled to come on stream at the end of 2026. Equinor is the operator of the troll field.

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The new infrastructure will accelerate production from the reservoir, equivalent to about 55 billion standard cubic meters of gas. At its peak, the annual contribution from the new development will amount to around 7 billion standard cubic meters of gas. The expansion will be pivotal for the oil and gas industry in Norway.

The first stage of gas production from the Troll West gas province started in 2021 and included eight wells, a new pipeline to the Troll A platform, and a new inlet module. This part of the project helped extend plateau production by 5-7 years. Stage 2 will extend plateau production by around four years and reduce the decline over the next 10–12 years.

Plateau production of troll gas has increased due to recent upgrades at the Kollsnes gas processing plant in Norway. Maximum production from Troll used to be 121 million standard cubic meters of gas per day. This has now been increased to 129 million. Production from the new Troll wells will amount to about 20 million standard cubic meters of gas daily.

Facts About Trollfield

Trollfield contains about 40 percent of the total gas reserves on the Norwegian continental shelf (NCS). Troll is Norway’s largest gas producer, with substantial reserves still underground. The field consists of the main Troll East and Troll West structures in blocks 31/2, 31/3, 31/5, and 31/6 in the North Sea. The annual export volume from Troll corresponds to an estimated 10% of Europe’s gas consumption.

Moreover, the annual energy production from the Troll field corresponds to approximately three times the annual Norwegian hydropower production. The vast resource base has made it necessary to plan the development and production in three phases:

Phase 1

The first phase is the gas in Troll East, which resulted in Troll A, the Kollsnes gas plant, and associated infrastructure. The gas is exported to Europe via the Zeepipe pipelines.

Phase 2

The second phase is the oil in Troll West, which resulted in the Troll B and C platforms and associated infrastructure. The oil is sent to the oil terminal at Mongstad.

Phase 3 

The third phase involves producing the gas cap overlying the oil column in Troll West while continuing oil production. The produced gas goes to Troll A and onward to existing infrastructure.

Read: Russia Discovers Vast Oil and Gas Reserves in British Antarctic Territory

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