25/8-3

Exploration · Appraisal · P&A · Oil · Esso Exploration and Production Norway A/S · Balder · PL 027

The lithostratigraphic units 25/8-3 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	—	155	750
Utsira Fm	Formation	Nordland Gp	622.5	700
No Formal Name	Formation	—	700	750
Hordaland Gp	Group	—	750	1,667.3
Skade Fm	Formation	Hordaland Gp	750	945
No Formal Name	Formation	—	945	1,005
Skade Fm	Formation	Hordaland Gp	1,005	1,031
No Formal Name	Formation	—	1,031	1,667.3
Rogaland Gp	Group	—	1,667.3	1,840.6
Balder Fm	Formation	Rogaland Gp	1,667.3	1,732.7
Sele Fm	Formation	Rogaland Gp	1,732.7	1,752.7
Hermod Fm	Formation	Rogaland Gp	1,752.7	1,767
Sele Fm	Formation	Rogaland Gp	1,767	1,770.3
Lista Fm	Formation	Rogaland Gp	1,770.3	1,783
Heimdal Fm	Formation	Rogaland Gp	1,783	1,786.5
Lista Fm	Formation	Rogaland Gp	1,786.5	1,794.3
Heimdal Fm	Formation	Rogaland Gp	1,794.3	1,835.3
Lista Fm	Formation	Rogaland Gp	1,835.3	1,840.6
Shetland Gp	Group	—	1,840.6	1,868
Ekofisk Fm	Formation	Shetland Gp	1,840.6	1,868

Biostratigraphy reports and logs behind the picks

WDSS completion logpdf · 149 KB
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/364, documented in the API reference.