NORWAY · WELLBORES · NPDID 9664
31/1-3 A
Exploration · Appraisal · P&A · Oil · Equinor Energy AS · PL 923
The lithostratigraphic units 31/1-3 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 | — | 388 | 902 |
| Naust Fm | Formation | Nordland Gp | 388 | 860 |
| Utsira Fm | Formation | Nordland Gp | 860 | 902 |
| Hordaland Gp | Group | — | 902 | 1,853 |
| Undifferentiated | Formation | — | 902 | 1,096 |
| Skade Fm | Formation | Hordaland Gp | 1,096 | 1,122 |
| Undifferentiated | Formation | — | 1,122 | 1,853 |
| Rogaland Gp | Group | — | 1,853 | 2,271 |
| Balder Fm | Formation | Rogaland Gp | 1,853 | 1,929 |
| Sele Fm | Formation | Rogaland Gp | 1,929 | 1,986 |
| Lista Fm | Formation | Rogaland Gp | 1,986 | 2,217 |
| Våle Fm | Formation | Rogaland Gp | 2,217 | 2,271 |
| Shetland Gp | Group | — | 2,271 | 2,957 |
| Jorsalfare Fm | Formation | Shetland Gp | 2,271 | 2,573 |
| Kyrre Fm | Formation | Shetland Gp | 2,573 | 2,910 |
| Svarte Fm | Formation | Shetland Gp | 2,910 | 2,957 |
| Cromer Knoll Gp | Group | — | 2,957 | 3,170 |
| Rødby Fm | Formation | Cromer Knoll Gp | 2,957 | 3,091 |
| Sola Fm | Formation | Cromer Knoll Gp | 3,091 | 3,122 |
| Åsgard Fm | Formation | Cromer Knoll Gp | 3,122 | 3,170 |
| Viking Gp | Group | — | 3,170 | 3,603 |
| Draupne Fm | Formation | Viking Gp | 3,170 | 3,312 |
| Heather Fm | Formation | Viking Gp | 3,312 | 3,603 |
| Brent Gp | Group | — | 3,603 | 3,780 |
| Tarbert Fm | Formation | Brent Gp | 3,603 | 3,628 |
| Ness Fm | Formation | Brent Gp | 3,628 | 3,716 |
| Etive Fm | Formation | Brent Gp | 3,716 | 3,719 |
| Rannoch Fm | Formation | Brent Gp | 3,719 | 3,726 |
| Oseberg Fm | Formation | Brent Gp | 3,726 | 3,780 |
| Dunlin Gp | Group | — | 3,780 | 3,831 |
| Drake Fm | Formation | Dunlin Gp | 3,780 | 3,831 |
Core cut in each unit
METRES CORED · AS THE DIRECTORATE FILES IT
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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