NORWAY · WELLBORES · NPDID 4636
31/2-20 S
Exploration · Wildcat · P&A · Oil/gas · Norsk Hydro Produksjon AS · Troll · PL 054
The lithostratigraphic units 31/2-20 S 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 | — | 355 | 765 |
| Hordaland Gp | Group | — | 765 | 2,200 |
| Rogaland Gp | Group | — | 2,200 | 2,669 |
| Shetland Gp | Group | — | 2,669 | 2,673 |
| Viking Gp | Group | — | 2,673 | 3,365 |
| Sognefjord Fm | Formation | Viking Gp | 2,673 | 2,887 |
| Fensfjord Fm | Formation | Viking Gp | 2,887 | 3,148 |
| Krossfjord Fm | Formation | Viking Gp | 3,148 | 3,252 |
| Heather Fm | Formation | Viking Gp | 3,252 | 3,365 |
| Brent Gp | Group | — | 3,365 | 3,400 |
Biostratigraphy reports and logs behind the picks
- 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/4636, documented in the API reference.