NORWAY · WELLBORES · NPDID 186
25/11-4
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The lithostratigraphic units 25/11-4 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 | 792 |
| Utsira Fm | Formation | Nordland Gp | 636 | 766 |
| No Formal Name | Formation | — | 766 | 792 |
| Hordaland Gp | Group | — | 792 | 1,695 |
| Skade Fm | Formation | Hordaland Gp | 792 | 1,202.5 |
| No Formal Name | Formation | — | 1,202.5 | 1,695 |
| Rogaland Gp | Group | — | 1,695 | 1,874.2 |
| Balder Fm | Formation | Rogaland Gp | 1,695 | 1,740 |
| Intra Balder Fm Ss | Formation | Rogaland Gp | 1,740 | 1,742 |
| Balder Fm | Formation | Rogaland Gp | 1,742 | 1,775.9 |
| Sele Fm | Formation | Rogaland Gp | 1,775.9 | 1,792.1 |
| Hermod Fm | Formation | Rogaland Gp | 1,792.1 | 1,815.8 |
| Sele Fm | Formation | Rogaland Gp | 1,815.8 | 1,819.5 |
| Lista Fm | Formation | Rogaland Gp | 1,819.5 | 1,874.2 |
| Shetland Gp | Group | — | 1,874.2 | 1,896 |
| Ekofisk Fm | Formation | Shetland Gp | 1,874.2 | 1,896 |
Biostratigraphy reports and logs behind the picks
- NPD Paper No.28 Biostratigraphy of Well 25 11 4pdf · 730 KB
- Completion logpdf · 1 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/186, documented in the API reference.