NORWAY · WELLBORES · NPDID 143
25/11-1
Exploration · Wildcat · P&A · Oil · Esso Exploration and Production Norway A/S · Balder · PL 001
The lithostratigraphic units 25/11-1 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 | — | 154 | 758 |
| Utsira Fm | Formation | Nordland Gp | 615 | 731 |
| No Formal Name | Formation | — | 731 | 758 |
| Hordaland Gp | Group | — | 758 | 1,697.7 |
| Skade Fm | Formation | Hordaland Gp | 758 | 976 |
| No Formal Name | Formation | — | 976 | 1,085 |
| Skade Fm | Formation | Hordaland Gp | 1,085 | 1,110 |
| No Formal Name | Formation | — | 1,110 | 1,697.7 |
| Rogaland Gp | Group | — | 1,697.7 | 1,894.5 |
| Balder Fm | Formation | Rogaland Gp | 1,697.7 | 1,752.6 |
| Intra Balder Fm Ss | Formation | Rogaland Gp | 1,752.6 | 1,767.8 |
| Balder Fm | Formation | Rogaland Gp | 1,767.8 | 1,777.5 |
| Sele Fm | Formation | Rogaland Gp | 1,777.5 | 1,793.5 |
| Hermod Fm | Formation | Rogaland Gp | 1,793.5 | 1,816.6 |
| Sele Fm | Formation | Rogaland Gp | 1,816.6 | 1,821 |
| Lista Fm | Formation | Rogaland Gp | 1,821 | 1,868.4 |
| Ty Fm | Formation | Rogaland Gp | 1,868.4 | 1,894.5 |
| Shetland Gp | Group | — | 1,894.5 | 1,920 |
| Ekofisk Fm | Formation | Shetland Gp | 1,894.5 | 1,920 |
| Cromer Knoll Gp | Group | — | 1,920 | 1,980 |
| Rødby Fm | Formation | Cromer Knoll Gp | 1,920 | 1,938 |
| Sola Fm | Formation | Cromer Knoll Gp | 1,938 | 1,980 |
| Viking Gp | Group | — | 1,980 | 1,988 |
| Draupne Fm | Formation | Viking Gp | 1,980 | 1,988 |
| Statfjord Gp | Group | — | 1,988 | 2,109 |
| No Group Defined | Group | — | 2,109 | 2,391 |
| Skagerrak Fm | Formation | Hegre Gp | 2,109 | 2,391 |
| Basement | Group | — | 2,391 | 2,459 |
Core cut in each unit
METRES CORED · AS THE DIRECTORATE FILES IT
- Rogaland Gp39.8
- No Group Defined25.3
- Skagerrak Fm25.3
- Balder Fm22.6
- Ty Fm17.2
- Basement14
- Ekofisk Fm9.6
- Shetland Gp9.6
- Statfjord Gp9.1
- Skade Fm5.2
- Hordaland Gp5.2
- Cromer Knoll Gp3.8
- Sola Fm3.8
Biostratigraphy reports and logs behind the picks
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/143, documented in the API reference.