Development

Veslefrikk is a field in the northern part of the North Sea, 30 kilometres north of the Oseberg field. The water depth is 185 metres. Veslefrikk was discovered in 1981, and the plan for development and operation (PDO) was approved in 1987. The field is developed with two facilities, Veslefrikk A and Veslefrikk B. Veslefrikk A is a fixed steel wellhead facility with bridge connection to Veslefrikk B. Veslefrikk B is a semi-submersible facility for processing and accommodation. Production started in 1989. Several PDOs were approved in 1994: for the Statfjord reservoir and for the reservoirs in the Upper Brent and I-segment.

Reservoir

Veslefrikk produces oil and some gas from Jurassic sandstone in the Statfjord, Dunlin and Brent Groups. The main reservoir is in the Brent Group and contained originally about 80 per cent of the reserves. The reservoir depths are between 2800 and 3200 metres, and the quality varies from moderate to excellent.

Recovery

Veslefrikk has earlier been produced with pressure support from water alternating gas injection (WAG) in the Brent and Dunlin reservoirs and with gas recycling in the Statfjord reservoir. Injection has ceased and the field is now being produced by depletion until shut-in.

Transport

Oil is exported via the Oseberg Transport System (OTS) to the Sture terminal. Gas is exported through Statpipe to the terminal at Kårstø.

Status

Veslefrikk production is maintained at a low rate. Well interventions and high production efficiency have contributed to a prolonged lifetime. A decommissioning plan was submitted in 2020 and plugging and abandonment of the wells is ongoing.