Development

Draugen is a field in the southern part of the Norwegian Sea. The water depth is 250 metres. Draugen was discovered in 1984, and the plan for development and production (PDO) was approved in 1988. The field has been developed with a concrete fixed facility and integrated topside, and has both platform and subsea wells. Stabilised oil is stored in tanks at the base of the facility. Two pipelines connect the facility to a floating loading-buoy. The production started in 1993. A PDO exemption for the subsea tie-back of the discovery 6407/9-9 (Hasselmus) was granted in 2021.

Reservoir

Draugen produces oil from two formations. The main reservoir is in sandstone of Late Jurassic age in the Rogn Formation. The western part of the field also produces from sandstone of Middle Jurassic age in the Garn Formation. The reservoirs are at a depth of 1600 metres. They are relatively homogeneous and have good quality.

Recovery strategy

The main production mechanism is natural pressure support from the aquifer, with additional water injection from the south.

Transport

The oil is offloaded via a floating loading-buoy and exported by tankers. The gas is transported via the Åsgard Transport System (ÅTS) to the Kårstø terminal.

Status

Several projects are ongoing to enable future profitable production from Draugen, such as power from shore, lifetime extension and subsea pump upgrade. The Hasselmus well was put on stream in 2023, and now provides sufficient gas for both power generation and gas export. Two observation wells were drilled in 2023.