The lithostratigraphic units 30/11-15 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 | — | 137 | 764 |
| Utsira Fm | Formation | Nordland Gp | 416 | 764 |
| Hordaland Gp | Group | — | 764 | 2,181 |
| Undifferentiated | Formation | — | 764 | 813 |
| Skade Fm | Formation | Hordaland Gp | 813 | 1,105 |
| Undifferentiated | Formation | — | 1,105 | 1,585 |
| No Formal Name | Formation | — | 1,585 | 1,789 |
| Grid Fm | Formation | Hordaland Gp | 1,789 | 2,181 |
| Rogaland Gp | Group | — | 2,181 | 2,543 |
| Balder Fm | Formation | Rogaland Gp | 2,181 | 2,236 |
| Sele Fm | Formation | Rogaland Gp | 2,236 | 2,251 |
| Hermod Fm | Formation | Rogaland Gp | 2,251 | 2,354 |
| Lista Fm | Formation | Rogaland Gp | 2,354 | 2,501 |
| Våle Fm | Formation | Rogaland Gp | 2,501 | 2,543 |
| Shetland Gp | Group | — | 2,543 | 3,251 |
| Hardråde Fm | Formation | Shetland Gp | 2,543 | 2,808 |
| Kyrre Fm | Formation | Shetland Gp | 2,808 | 3,173 |
| Tryggvason Fm | Formation | Shetland Gp | 3,173 | 3,213 |
| Svarte Fm | Formation | Shetland Gp | 3,213 | 3,251 |
| Viking Gp | Group | — | 3,251 | 3,265 |
| Heather Fm | Formation | Viking Gp | 3,251 | 3,265 |
| Brent Gp | Group | — | 3,265 | 3,770 |
| Tarbert Fm | Formation | Brent Gp | 3,265 | 3,513 |
| Ness Fm | Formation | Brent Gp | 3,513 | 3,748 |
| Etive Fm | Formation | Brent Gp | 3,748 | 3,765 |
| Rannoch Fm | Formation | Brent Gp | 3,765 | 3,770 |
| Dunlin Gp | Group | — | 3,770 | 4,264 |
| Drake Fm | Formation | Dunlin Gp | 3,770 | 4,264 |
| Statfjord Gp | Group | — | 4,264 | 4,650 |
| Nansen Fm | Formation | Statfjord Gp | 4,264 | 4,289 |
| Eiriksson Fm | Formation | Statfjord Gp | 4,289 | 4,650 |
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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