25/2-8

Exploration · Appraisal · P&A · Oil/gas · Elf Petroleum Norge AS · Øst Frigg · PL 026

The lithostratigraphic units 25/2-8 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	—	118	951
Utsira Fm	Formation	Nordland Gp	425	451
No Formal Name	Formation	—	451	951
Hordaland Gp	Group	—	951	2,201
Grid Fm	Formation	Hordaland Gp	1,015	1,125
No Formal Name	Formation	—	1,125	1,917.5
Frigg Fm	Formation	Hordaland Gp	1,917.5	2,201
Rogaland Gp	Group	—	2,201	2,380
Balder Fm	Formation	Rogaland Gp	2,201	2,202
Intra Balder Fm Ss	Formation	Rogaland Gp	2,202	2,206
Balder Fm	Formation	Rogaland Gp	2,206	2,222
Intra Balder Fm Ss	Formation	Rogaland Gp	2,222	2,229
Balder Fm	Formation	Rogaland Gp	2,229	2,232
Intra Balder Fm Ss	Formation	Rogaland Gp	2,232	2,242
Balder Fm	Formation	Rogaland Gp	2,242	2,257
Intra Balder Fm Ss	Formation	Rogaland Gp	2,257	2,271
Balder Fm	Formation	Rogaland Gp	2,271	2,278
Intra Balder Fm Ss	Formation	Rogaland Gp	2,278	2,294
Sele Fm	Formation	Rogaland Gp	2,294	2,306
Lista Fm	Formation	Rogaland Gp	2,306	2,380

Core cut in each unit

METRES CORED · AS THE DIRECTORATE FILES IT

The cores themselves, with their intervals →

Biostratigraphy reports and logs behind the picks

Composite logpdf · 396 KB
WDSS completion logpdf · 215 KB
Composite 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/131, documented in the API reference.