NORWAY · WELLBORES · NPDID 371
25/11-11
Exploration · Appraisal · P&A · Oil · Esso Exploration and Production Norway A/S · Balder · PL 001
The lithostratigraphic units 25/11-11 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 | — | 151 | 758 |
| Utsira Fm | Formation | Nordland Gp | 574 | 714 |
| No Formal Name | Formation | — | 714 | 758 |
| Hordaland Gp | Group | — | 758 | 1,655 |
| Skade Fm | Formation | Hordaland Gp | 758 | 959 |
| No Formal Name | Formation | — | 959 | 1,068 |
| Skade Fm | Formation | Hordaland Gp | 1,068 | 1,085 |
| No Formal Name | Formation | — | 1,085 | 1,218 |
| Grid Fm | Formation | Hordaland Gp | 1,218 | 1,245 |
| No Formal Name | Formation | — | 1,245 | 1,655 |
| Rogaland Gp | Group | — | 1,655 | 1,940.4 |
| Balder Fm | Formation | Rogaland Gp | 1,655 | 1,698 |
| Intra Balder Fm Ss | Formation | Rogaland Gp | 1,698 | 1,714.4 |
| Sele Fm | Formation | Rogaland Gp | 1,714.4 | 1,738 |
| Lista Fm | Formation | Rogaland Gp | 1,738 | 1,754 |
| Heimdal Fm | Formation | Rogaland Gp | 1,754 | 1,895 |
| Lista Fm | Formation | Rogaland Gp | 1,895 | 1,940.4 |
| Shetland Gp | Group | — | 1,940.4 | 1,960 |
| Ekofisk Fm | Formation | Shetland Gp | 1,940.4 | 1,960 |
Biostratigraphy reports and logs behind the picks
- WDSS completion logpdf · 144 KB
- Completion Logpdf · 1.1 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/371, documented in the API reference.