The lithostratigraphic units 25/10-17 S 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 | — | 150 | 875 |
| Naust Fm | Formation | Nordland Gp | 150 | 636 |
| Utsira Fm | Formation | Nordland Gp | 636 | 784 |
| Undifferentiated | Formation | — | 784 | 875 |
| Hordaland Gp | Group | — | 875 | 2,151 |
| Skade Fm | Formation | Hordaland Gp | 875 | 1,140 |
| Undifferentiated | Formation | — | 1,140 | 1,632 |
| Grid Fm | Formation | Hordaland Gp | 1,632 | 1,751 |
| Undifferentiated | Formation | — | 1,751 | 2,151 |
| Rogaland Gp | Group | — | 2,151 | 2,765 |
| Balder Fm | Formation | Rogaland Gp | 2,151 | 2,210 |
| Sele Fm | Formation | Rogaland Gp | 2,210 | 2,277 |
| Hermod Fm | Formation | Rogaland Gp | 2,277 | 2,380 |
| Lista Fm | Formation | Rogaland Gp | 2,380 | 2,434 |
| Heimdal Fm | Formation | Rogaland Gp | 2,434 | 2,650 |
| Våle Fm | Formation | Rogaland Gp | 2,650 | 2,765 |
| Shetland Gp | Group | — | 2,765 | 3,335 |
| Jorsalfare Fm | Formation | Shetland Gp | 2,765 | 2,937 |
| Hod Fm | Formation | Shetland Gp | 2,937 | 3,196 |
| Tryggvason Fm | Formation | Shetland Gp | 3,196 | 3,276 |
| Blodøks Fm | Formation | Shetland Gp | 3,276 | 3,285 |
| Svarte Fm | Formation | Shetland Gp | 3,285 | 3,335 |
| Cromer Knoll Gp | Group | — | 3,335 | 3,565 |
| Rødby Fm | Formation | Cromer Knoll Gp | 3,335 | 3,497 |
| Sola Fm | Formation | Cromer Knoll Gp | 3,497 | 3,524 |
| Åsgard Fm | Formation | Cromer Knoll Gp | 3,524 | 3,565 |
| Viking Gp | Group | — | 3,565 | 3,654 |
| Draupne Fm | Formation | Viking Gp | 3,565 | 3,610 |
| Heather Fm | Formation | Viking Gp | 3,610 | 3,654 |
| Vestland Gp | Group | — | 3,654 | 3,903 |
| Hugin Fm | Formation | Vestland Gp | 3,654 | 3,751 |
| Sleipner Fm | Formation | Vestland Gp | 3,751 | 3,903 |
| Dunlin Gp | Group | — | 3,903 | 3,944 |
| Amundsen Fm | Formation | Dunlin Gp | 3,903 | 3,944 |
| Statfjord Gp | Group | — | 3,944 | 3,978 |
| Nansen Fm | Formation | Statfjord Gp | 3,944 | 3,978 |
| Hegre Gp | Group | — | 3,978 | 4,150 |
| Eiriksson Fm | Formation | Statfjord Gp | 3,978 | 4,052 |
| Skagerrak Fm | Formation | Hegre Gp | 4,052 | 4,150 |
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/9717, documented in the API reference.