Development

Mikkel is a field in the eastern part of the Norwegian Sea, 30 kilometres north of the Draugen field. The water depth is 220 metres. Mikkel was discovered in 1987, and the plan for development and operation (PDO) was approved in 2001. The field is developed with two subsea templates tied-back to the Åsgard B facility. Production started in 2003.

Reservoir

Mikkel produces gas and condensate from Jurassic sandstone in the Garn, Ile and Tofte Formations. The field consists of six structures separated by faults, all with good reservoir quality. It has a 300-metre-thick gas/condensate column and a thin underlying oil zone. The reservoir depth is 2,500 metres.

Recovery strategy

The field is produced by pressure depletion.

Transport

The well stream from Mikkel is combined with the well stream from the Midgard deposit and routed to the Åsgard B facility for processing. The condensate is separated from the gas and stabilised before being shipped together with condensate from the Åsgard field. The condensate is sold as oil. The rich gas is transported via the Åsgard Transport System (ÅTS) to the Kårstø terminal for separation of the natural gas liquids (NGL). The dry gas is transported from Kårstø to continental Europe via the Europipe II pipeline.

Status

The pressure decline in the reservoir has been less than anticipated. This has resulted in increased recoverable volumes compared to PDO estimates. Installation of the Åsgard subsea gas compressor (ÅSC) in 2015/2016 has accelerated and prolonged gas production from the field. The ÅSC Phase II development is ongoing. A stable supply of gas with low CO2 content from the Mikkel field is important for dilution of gas with high CO2 content from the Kristin field in the Åsgard Transport System.