NORWAY · WELLBORES · NPDID 1131
25/5-1 A
Exploration · Appraisal · P&A · Oil · Elf Petroleum Norge AS · Hugin Satellitter · PL 102
The lithostratigraphic units 25/5-1 A 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 | — | 143 | 920 |
| Utsira Fm | Formation | Nordland Gp | 444 | 588 |
| Undifferentiated | Formation | — | 588 | 920 |
| Hordaland Gp | Group | — | 920 | 2,170 |
| Skade Fm | Formation | Hordaland Gp | 951 | 1,102 |
| No Formal Name | Formation | — | 1,102 | 1,287 |
| Grid Fm | Formation | Hordaland Gp | 1,287 | 1,345 |
| No Formal Name | Formation | — | 1,345 | 2,170 |
| Rogaland Gp | Group | — | 2,170 | 2,616 |
| Balder Fm | Formation | Rogaland Gp | 2,170 | 2,201 |
| Intra Balder Fm Ss | Formation | Rogaland Gp | 2,201 | 2,215 |
| Balder Fm | Formation | Rogaland Gp | 2,215 | 2,241 |
| Sele Fm | Formation | Rogaland Gp | 2,241 | 2,277 |
| Lista Fm | Formation | Rogaland Gp | 2,277 | 2,405 |
| Ty Fm | Formation | Rogaland Gp | 2,405 | 2,590 |
| Våle Fm | Formation | Rogaland Gp | 2,590 | 2,616 |
| Shetland Gp | Group | — | 2,616 | 3,142 |
| Hardråde Fm | Formation | Shetland Gp | 2,616 | 2,953 |
| Kyrre Fm | Formation | Shetland Gp | 2,953 | 3,142 |
| Cromer Knoll Gp | Group | — | 3,142 | 3,150 |
| Viking Gp | Group | — | 3,150 | 3,312 |
| Draupne Fm | Formation | Viking Gp | 3,150 | 3,225 |
| Heather Fm | Formation | Viking Gp | 3,225 | 3,312 |
| Vestland Gp | Group | — | 3,312 | 3,403 |
| Hugin Fm | Formation | Vestland Gp | 3,312 | 3,329 |
| Sleipner Fm | Formation | Vestland Gp | 3,329 | 3,403 |
| Dunlin Gp | Group | — | 3,403 | 3,432 |
| Drake Fm | Formation | Dunlin Gp | 3,403 | 3,432 |
Biostratigraphy reports and logs behind the picks
- Composite logpdf · 549 KB
- WDSS completion logpdf · 178 KB
- Completion report and logpdf · 15.6 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/1131, documented in the API reference.