The lithostratigraphic units 6406/12-4 A 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 | — | 344.5 | 1,160 |
| Naust Fm | Formation | Nordland Gp | 344.5 | 1,085 |
| Kai Fm | Formation | Nordland Gp | 1,085 | 1,160 |
| Hordaland Gp | Group | — | 1,160 | 1,826 |
| Brygge Fm | Formation | Hordaland Gp | 1,160 | 1,826 |
| Rogaland Gp | Group | — | 1,826 | 2,135 |
| Tare Fm | Formation | Rogaland Gp | 1,826 | 1,935 |
| Tang Fm | Formation | Rogaland Gp | 1,935 | 2,135 |
| Shetland Gp | Group | — | 2,135 | 2,974 |
| Springar Fm | Formation | Shetland Gp | 2,135 | 2,232 |
| Nise Fm | Formation | Shetland Gp | 2,232 | 2,449 |
| Kvitnos Fm | Formation | Shetland Gp | 2,449 | 2,974 |
| Cromer Knoll Gp | Group | — | 2,974 | 3,495 |
| Lange Fm | Formation | Cromer Knoll Gp | 2,974 | 3,443 |
| Lyr Fm | Formation | Cromer Knoll Gp | 3,443 | 3,495 |
| Viking Gp | Group | — | 3,495 | 4,058 |
| Spekk Fm | Formation | Viking Gp | 3,495 | 3,522 |
| Rogn Fm | Formation | Viking Gp | 3,522 | 3,529 |
| Intra Melke Fm Ss | Formation | Viking Gp | 3,529 | 4,058 |
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.
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