NORWAY · WELLBORES · NPDID 4765
25/4-8
Exploration · Appraisal · P&A · Oil/gas · Marathon Petroleum Norge AS · Alvheim · PL 203
The lithostratigraphic units 25/4-8 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 | — | 145 | 777 |
| Utsira Fm | Formation | Nordland Gp | 385 | 509 |
| No Formal Name | Formation | — | 509 | 777 |
| Hordaland Gp | Group | — | 777 | 1,922 |
| Grid Fm | Formation | Hordaland Gp | 1,219 | 1,305 |
| No Formal Name | Formation | — | 1,305 | 1,922 |
| Rogaland Gp | Group | — | 1,922 | 2,286 |
| Balder Fm | Formation | Rogaland Gp | 1,922 | 2,011 |
| Sele Fm | Formation | Rogaland Gp | 2,011 | 2,060 |
| Lista Fm | Formation | Rogaland Gp | 2,060 | 2,113 |
| Heimdal Fm | Formation | Rogaland Gp | 2,113 | 2,286 |
Core cut in each unit
METRES CORED · AS THE DIRECTORATE FILES IT
- Rogaland Gp51.7
- Lista Fm29.1
- Heimdal Fm22.6
Biostratigraphy reports and logs behind the picks
- Composite log 8pdf · 277 KB
- Completion logpdf · 26.5 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.
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