Transport

The well stream is processed on the Clyde field. Liquids are transported to the Fulmar platform and further to Teesside in the UK via Norpipe. Some of the gas is used offshore for fuel and flare on the Clyde and Fulmar fields, with the remainder going to the terminal of the Shell-Esso Gas and Liquids (SEGAL) system at St Fergus in the UK.

Development

Flyndre is a field in the southern part of the Norwegian sector in the North Sea, straddling the border between the Norwegian and UK sectors. The Norwegian share of the field is seven per cent. Flyndre is located 35 kilometres northwest of the Ekofisk field. The water depth is 70 metres. Flyndre was discovered in 1974, and the plan for development and operation (PDO) was approved in 2014. The development includes a subsea horizontal well tied-back to the Clyde platform on the UK continental shelf. Production started in 2017.

Reservoir

Flyndre produces oil and associated gas from Balmoral sandstone of Paleocene age. The reservoir lies at a depth of 3,000 metres and has moderate to good quality. There is also oil in Upper Cretaceous chalk with poor reservoir quality at a depth of 3,100 metres.

Recovery

The field is produced by pressure depletion. Only the Balmoral reservoir is developed.

Status

Production has been lower than expected since start-up. The main challenge is a more rapid pressure decline than anticipated. Production from Flyndre is dependent on export via Fulmar; work is ongoing to clarify potential production on Flyndre beyond the expected lifetime of Fulmar.