25/8-11

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

The lithostratigraphic units 25/8-11 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	—	146	707.5
Utsira Fm	Formation	Nordland Gp	555	651
No Formal Name	Formation	—	651	707.5
Hordaland Gp	Group	—	707.5	1,677.7
Skade Fm	Formation	Hordaland Gp	707.5	861
Undifferentiated	Formation	—	861	943
No Formal Name	Formation	—	943	977.5
Undifferentiated	Formation	—	977.5	1,129
Grid Fm	Formation	Hordaland Gp	1,129	1,138
No Formal Name	Formation	—	1,138	1,677.7
Rogaland Gp	Group	—	1,677.7	1,876
Balder Fm	Formation	Rogaland Gp	1,677.7	1,743.4
Sele Fm	Formation	Rogaland Gp	1,743.4	1,764.9
Hermod Fm	Formation	Rogaland Gp	1,764.9	1,768
Sele Fm	Formation	Rogaland Gp	1,768	1,773.6
Hermod Fm	Formation	Rogaland Gp	1,773.6	1,796
Sele Fm	Formation	Rogaland Gp	1,796	1,823.6
Lista Fm	Formation	Rogaland Gp	1,823.6	1,872
Våle Fm	Formation	Rogaland Gp	1,872	1,876
Shetland Gp	Group	—	1,876	1,891
Ekofisk Fm	Formation	Shetland Gp	1,876	1,891
Statfjord Gp	Group	—	1,891	1,994

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 · 319 KB

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/3209, documented in the API reference.