The project will be the first tie-back to the Draugen platform and will add more than 4,000boe/d to the production.Īn energy-efficient semi-submersible drilling rig will be utilised for the development work. The Hasselmus gas field will be developed with a single subsea well tied back to the Okea-operated Draugen production platform. The well encountered a gas column of 16m and an oil column of 6.8m in high-quality sands at a depth of 1,700m. Hasselmus was discovered by the drilling of a single well, 6407/9-9 T2, on the Hasselmus structure by the previous operator Norske Shell in 1999. It will allow the project partners to reinitiate the export of associated gas, including natural gas liquids (NGL) that are currently injected into the Draugen reservoir. The project is expected to recover approximately 10.6 million barrels of oil equivalent (MMboe) as fuel and export gas. It is situated near the shore and tidal channel deposits. The gas in the Hasselmus reservoir is of good quality and entrapped in sandstone of the Early Jurassic period in the Ror and Ile formations. The discovery comprises both gas and oil, but only gas is currently being evaluated for development. Hasselmus gas discovery lies in the production licence (PL) 093 on the western edge of the Trondelag platform in the Norwegian Sea.
The Hasselmus field is estimated to have gross plateau gas production of more than 4,400 barrels of oil equivalent (boe) a day.
The submission of the plan for development and operation (PDO) of the field to the regulatory authority is expected in 2021 while the first production from the field is anticipated in the fourth quarter (Q4) of 2023.
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