[Norway] Asgard

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escveritas
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[Norway] Asgard

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Investing in further development of the Åsgard field

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Worker on the Åsgard B platform. (Photo: Marit Hommedal / Equinor ASA)

The partners in the Åsgard licence have decided to invest just under NOK 1.4 billion to further develop the field and implement the Åsgard B low-pressure project.
“We’re pleased that the Åsgard owners have given their go-ahead for the low-pressure project. The project will increase production from the current Smørbukk wells and contribute to achieve planned production from the field. We’re also awarding a contract to Aker Solutions which will provide valuable activity and help maintain jobs in a difficult time,” says Geir Tungesvik, Equinor’s senior vice president for projects.

The Åsgard field in the Norwegian Sea started producing in 1999 and the transition to low-pressure production is important to secure improved recovery from the field.

“We can still produce 400-500 million barrels of oil equivalent from the field. This means value creation in the order of NOK 150 - 200 billion. The current recovery rate for the field is almost 50 percent, but our ambition is to extract 60 percent of the hydrocarbons in the reservoirs before the field will have to be shut down,” says Randi Hugdahl, vice president for Åsgard operations.

The selected concept is a modification of the platform to reduce inlet pressure by replacing the reinjection compressors and rebuilding parts of the processing facility.

Contract awarded to Aker Solutions
A FEED contract (front-end engineering and design) was awarded to Aker Solutions in December 2019 for modification work on Åsgard B in connection with the low-pressure project. The contract has now been expanded into an EPCI contract (engineering, procurement, construction, and installation).

The EPCI contract is valued at around NOK 800 million and will represent about 415 work-years and distributed over four years for the supplier. Project management and engineering will involve 240 work-years and be carried out at Aker Solutions’ office in Trondheim, while prefabrication will involve 45 work-years and take place at the yard in Egersund. The work will start immediately and is planned to continue through 2024.

More than 20 years have passed since the Åsgard B gas processing platform came on stream. Gas from Åsgard is piped through Åsgard Transport to Kårstø, north of Stavanger. Overall, the installations at Åsgard have delivered more than 2.8 billion barrels of oil equivalent, with a gross value of more than NOK 1,000 billion.

Planned start-up of low-pressure production is in 2023.

Partners in the Åsgard licence: Equinor (operator) 34.57%, Petoro AS 35.69%, Vår Energi AS 22.06%, Total E&P Norge AS 7.68%.
escveritas
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Re: [Norway] Åsgard

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Åsgard

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Åsgard is located in Haltenbanken in the Norwegian Sea, around 200 kilometres off mid-Norway and 50 kilometres south of the Heidrun field.
The Åsgard A oil production vessel arrived at the field on 8 February 1999 and started production on 19 May.

Åsgard B is a semi-submersible gas and condensate processing platform, which came on stream on 1 October 2000.

Åsgard C is a condensate storage vessel tied back to the field.

Åsgard consists of the Midgard, Smørbukk and Smørbukk South deposits. In addition, the Mikkel and Yttergryta gas fields are tied back to the Åsgard infrastructure.

Midgard spreads over blocks 6507/11 and 6407/2. Smørbukk and Smørbukk South are located in block 6506/11.

Midgard was proven by Saga in 1981. We found Smørbukk in 1984 and Smørbukk South in 1985. In 1995 the licence rights were coordinated in a new ownership structure with then Statoil, now Equinor, as operator.

THE LARGEST DEVELOPMENT ON THE NORWEGIAN CONTINENTAL SHELF (NCS)

The entire Åsgard field development ranks among the largest developments on the NCS, embracing a total of 63 production and injection wells drilled through 19 subsea templates.

Production from the Morvin (4 wells and 2 subsea templates) and Mikkel (3 wells and 2 subsea templates) fields is also directed to Åsgard B.

Water depth in the area is 240-310 metres.

ÅSGARD BLEND

Crude oil, condensate and gas are produced from Åsgard. Crude and condensate are mixed to form a light oil called Åsgard blend. The liquid is pumped from storage tanks into shuttle tankers which sail between the fields and the different refineries.

Gas from Åsgard is piped through Åsgard Transport to the Kårstø processing complex, north of Stavanger. The heavier components, such as ethane, propane, butane and naphtha are separated out at Kårstø. The dry gas is piped to continental Europe.

Åsgard supplies about 11 billion cubic metres of gas annually to European customers.

THE OVERALL ÅSGARD DEVELOPMENT COMPRISES:
  • development of the field itself in the Norwegian Sea
  • the Åsgard Transport gas pipeline from the field to the Kårstø processing plant north of Stavanger
  • the Kårstø expansion project
  • the Europipe II gas trunkline from Kårstø to Dornum on the German coast.
TRANSPORT

The Åsgard development links the Halten Bank area to Norway's gas transport system in the North Sea, putting long-standing plans for a pipeline connection into effect. Growing demand for Norwegian gas from continental Europe has made this possible, and Åsgard will help to meet the planned expansion in Norway's gas exports. Gas from the field is piped through the Åsgard Transport line to the treatment plant at Kårstø north of Stavanger and on to European customers.

Oil produced via the A vessel is shipped from the field by shuttle tankers.

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