The lithostratigraphic units 34/4-3 drilled through, shallowest first, with the depth each was met and where it ended. Groups are in bold; the formations within them are indented.
Formation tops
LITHOSTRATIGRAPHY · METRES ALONG THE WELLBORE
| Unit | Level | Part of | Top, m | Base, m |
|---|---|---|---|---|
| Nordland Gp | Group | — | 391 | 1,243 |
| Utsira Fm | Formation | Nordland Gp | 1,231 | 1,243 |
| Hordaland Gp | Group | — | 1,243 | 1,727 |
| Rogaland Gp | Group | — | 1,727 | 1,891 |
| Balder Fm | Formation | Rogaland Gp | 1,727 | 1,769 |
| Lista Fm | Formation | Rogaland Gp | 1,769 | 1,891 |
| Shetland Gp | Group | — | 1,891 | 3,512 |
| Cromer Knoll Gp | Group | — | 3,512 | 3,526 |
| Viking Gp | Group | — | 3,526 | 3,987 |
| Draupne Fm | Formation | Viking Gp | 3,526 | 3,784 |
| Heather Fm | Formation | Viking Gp | 3,784 | 3,987 |
| Brent Gp | Group | — | 3,987 | 4,169 |
| Dunlin Gp | Group | — | 4,169 | 4,353 |
| Drake Fm | Formation | Dunlin Gp | 4,169 | 4,226 |
| Cook Fm | Formation | Dunlin Gp | 4,226 | 4,257 |
| Burton Fm | Formation | Dunlin Gp | 4,257 | 4,281 |
| Amundsen Fm | Formation | Dunlin Gp | 4,281 | 4,353 |
| Statfjord Gp | Group | — | 4,353 | 4,410 |
| Hegre Gp | Group | — | 4,410 | 4,460 |
| Lunde Fm | Formation | Hegre Gp | 4,410 | 4,460 |
Core cut in each unit
METRES CORED · AS THE DIRECTORATE FILES IT
- Viking Gp17.7
- Draupne Fm17.7
- Brent Gp15.9
- Statfjord Gp7.5
Biostratigraphy reports and logs behind the picks
- Composite logpdf · 769 KB
- WDSS completion logpdf · 268 KB
- Completion report and logpdf · 17.7 MB
About this data
Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Tops are the Directorate's lithostratigraphy for the wellbore, in metres along the wellbore from the kelly bushing. A unit filed as No Formal Name or No Group Defined is the Directorate's placeholder where nothing is named.
Developers: this page as JSON is GET /v1/data/norway/wells/423, documented in the API reference.