Equinor Energy AS and partners will consider tying the Heisenberg discovery into the Troll B platform in the North Sea. Volumes are estimated at 24-84 MMboe, with slightly more oil than gas.
Discovery well 35/10-9 was drilled by the Deepsea Stavanger in production license (PL) 827S. The well encountered hydrocarbons in Hordaland Group sandstones of Paleogene age. A part of the discovery may extend into the adjacent PL248F license.
An appraisal well is needed to get a more precise estimate of reserves before deciding whether to connect to Troll B about 40 km to the southeast. Partners are considering drilling the appraisal in 2024.
Equinor recently made the Røver South discovery in the Troll-Gjøa area (OGJ Online, Mar. 26, 2023). Seven previous discoveries in the area are Echino South, Swisher, Røver North, Blasto, Toppand, Kveikje, and Røver South.
Equinor is operator at PL 827S (51%) with partner DNO Norge AS (49%).
Alex Procyk | Upstream Editor
Alex Procyk is Upstream Editor at Oil & Gas Journal. He has also served as a principal technical professional at Halliburton and as a completion engineer at ConocoPhillips. He holds a BS in chemistry (1987) from Kent State University and a PhD in chemistry (1992) from Carnegie Mellon University. He is a member of the Society of Petroleum Engineers (SPE).
