The consent applies to phase 1 disposal of the Valemon rich gas pipeline.
The pipeline is used for transporting rich gas from the Valemon field to the Heimdal riser platform.
According to the consent application, the decommissioning and disposal of pipeline will be carried out in three phases.
Phase 1 involves the removal of hydrocarbons and water filling (activity period 2023), while phase 2 and phase 3 include the disconnection of the pipeline from Heimdal riser platform, removal of remaining structures, and other final activities in preparation for the permanent abandonment of the field and safety zone (activity period 2024-2028).
Heimdal
Heimdal is a field in the central part of the North Sea. The water depth in the area is 120 metres. Heimdal was discovered in 1972, and the plan for development and operation (PDO) was approved in 1981. The field was developed with an integrated drilling, production and accommodation facility with a steel jacket (HMP1). Production started in 1985 and ceased in 2020. Heimdal was used as a gas processing centre until mid-2023. Decommissioning of the facilities must be completed by the end of 2028.
Source: norskpetroleum.no