25/11-3

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

The lithostratigraphic units 25/11-3 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	—	137	772
Utsira Fm	Formation	Nordland Gp	622	732
No Formal Name	Formation	—	732	772
Hordaland Gp	Group	—	772	1,710.5
Skade Fm	Formation	Hordaland Gp	772	978.4
No Formal Name	Formation	—	978.4	1,003.4
Skade Fm	Formation	Hordaland Gp	1,003.4	1,120
No Formal Name	Formation	—	1,120	1,710.5
Rogaland Gp	Group	—	1,710.5	1,851.5
Balder Fm	Formation	Rogaland Gp	1,710.5	1,746.5
Sele Fm	Formation	Rogaland Gp	1,746.5	1,756.5
Lista Fm	Formation	Rogaland Gp	1,756.5	1,781.5
Heimdal Fm	Formation	Rogaland Gp	1,781.5	1,783
Lista Fm	Formation	Rogaland Gp	1,783	1,816.6
Våle Fm	Formation	Rogaland Gp	1,816.6	1,823.6
Ty Fm	Formation	Rogaland Gp	1,823.6	1,844
Våle Fm	Formation	Rogaland Gp	1,844	1,851.5
Shetland Gp	Group	—	1,851.5	1,858
Ekofisk Fm	Formation	Shetland Gp	1,851.5	1,858

Biostratigraphy reports and logs behind the picks

NPD Paper No.28 Log Correlation chart Profile NW-SE Well 25 11 3pdf · 248 KB
Completion logpdf · 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/185, documented in the API reference.