25/11-5

Exploration · Appraisal · P&A · Oil · Esso Exploration and Production Norway A/S · Balder · PL 001

The lithostratigraphic units 25/11-5 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	—	147	759
Utsira Fm	Formation	Nordland Gp	581	700
No Formal Name	Formation	—	700	759
Hordaland Gp	Group	—	759	1,660.8
Skade Fm	Formation	Hordaland Gp	759	961
No Formal Name	Formation	—	961	1,660.8
Rogaland Gp	Group	—	1,660.8	1,917
Balder Fm	Formation	Rogaland Gp	1,660.8	1,698
Intra Balder Fm Ss	Formation	Rogaland Gp	1,698	1,701
Balder Fm	Formation	Rogaland Gp	1,701	1,723.5
Sele Fm	Formation	Rogaland Gp	1,723.5	1,731
Hermod Fm	Formation	Rogaland Gp	1,731	1,771
Sele Fm	Formation	Rogaland Gp	1,771	1,773
Lista Fm	Formation	Rogaland Gp	1,773	1,798
Heimdal Fm	Formation	Rogaland Gp	1,798	1,873
Lista Fm	Formation	Rogaland Gp	1,873	1,917
Shetland Gp	Group	—	1,917	1,935
Cromer Knoll Gp	Group	—	1,935	1,950
Viking Gp	Group	—	1,950	1,955
Draupne Fm	Formation	Viking Gp	1,950	1,955
Statfjord Gp	Group	—	1,955	2,087
No Group Defined	Group	—	2,087	2,164

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

Completion logpdf · 1.3 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/366, documented in the API reference.