The field lies West of Kristiansund. It has produced oil and gas since October 1995, and had a production of of oil and 650 thousand cubic meter of natural gas per day in 2004. Its production in 2006 was estimated at 3 million cubic meter of natural gas and of oil a day. The crude oil is characterized as being naphthenic with 25.0 API (0.9043 g/cm3), 0.52% sulfur and a high 2.90 TAN (Total Acid Number).
The Heidrun field is located on Haltenbanken in the Norwegian Sea. The sea depth in the area is . The field has been developed with a floating concrete tension leg platform, installed over a subsea template with 56 well slots. The northern part of the field is developed with subsea facilities.