The lithostratigraphic units 29/3-1 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 | — | 156.2 | 1,500 |
| Utsira Fm | Formation | Nordland Gp | 530 | 590 |
| Undifferentiated | Formation | — | 590 | 1,500 |
| Hordaland Gp | Group | — | 1,500 | 1,726 |
| Grid Fm | Formation | Hordaland Gp | 1,580 | 1,598 |
| No Formal Name | Formation | — | 1,598 | 1,726 |
| Rogaland Gp | Group | — | 1,726 | 2,061 |
| Balder Fm | Formation | Rogaland Gp | 1,726 | 1,771 |
| Sele Fm | Formation | Rogaland Gp | 1,771 | 1,780 |
| Lista Fm | Formation | Rogaland Gp | 1,780 | 2,032.5 |
| Våle Fm | Formation | Rogaland Gp | 2,032.5 | 2,061 |
| Shetland Gp | Group | — | 2,061 | 3,462 |
| Jorsalfare Fm | Formation | Shetland Gp | 2,061 | 2,267 |
| Kyrre Fm | Formation | Shetland Gp | 2,267 | 3,286 |
| Tryggvason Fm | Formation | Shetland Gp | 3,286 | 3,435 |
| Blodøks Fm | Formation | Shetland Gp | 3,435 | 3,440 |
| Svarte Fm | Formation | Shetland Gp | 3,440 | 3,462 |
| Cromer Knoll Gp | Group | — | 3,462 | 3,466 |
| Rødby Fm | Formation | Cromer Knoll Gp | 3,462 | 3,466 |
| Viking Gp | Group | — | 3,466 | 3,522.5 |
| Heather Fm | Formation | Viking Gp | 3,466 | 3,522.5 |
| Brent Gp | Group | — | 3,522.5 | 3,912 |
| Tarbert Fm | Formation | Brent Gp | 3,522.5 | 3,562 |
| Ness Fm | Formation | Brent Gp | 3,562 | 3,851.5 |
| Etive Fm | Formation | Brent Gp | 3,851.5 | 3,862 |
| Rannoch Fm | Formation | Brent Gp | 3,862 | 3,912 |
| Dunlin Gp | Group | — | 3,912 | 4,389 |
| Drake Fm | Formation | Dunlin Gp | 3,912 | 4,046 |
| Cook Fm | Formation | Dunlin Gp | 4,046 | 4,147 |
| Burton Fm | Formation | Dunlin Gp | 4,147 | 4,215 |
| Amundsen Fm | Formation | Dunlin Gp | 4,215 | 4,389 |
| Statfjord Gp | Group | — | 4,389 | 4,427 |
Core cut in each unit
METRES CORED · AS THE DIRECTORATE FILES IT
- Brent Gp34.7
- Tarbert Fm34.7
Biostratigraphy reports and logs behind the picks
- Composite logpdf · 480 KB
- WDSS completion logpdf · 344 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/904, documented in the API reference.